Messari API — The Institutional Standard for Crypto Data

Get daily cryptocurrency asset metric history for backtests and agent memory.

Payment Required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Access standardized crypto data trusted by top exchanges, asset managers, and financial institutions. Messari’s enterprise‑grade API delivers real‑time market data, on‑chain analytics, and curated intelligence - all through a single, reliable API


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=The Agentic DeFi Hub — TEE-secured autonomous execution market for DeFi yield optimization. NEAR AI Cloud TEE + NEAR Intent Settlement. Verified on 21+ chains incl. TRON & Solana.

Good candidate for a first-dollar probe with receipt capture.


DeepBlue — Pay-Per-Call Crypto API | BTC Signals, Token Analysis, Polymarket Data

Live BTC directional signal â real-time UP/DOWN prediction with confidence score and regime

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=DeepBlue: Live BTC/ETH/SOL/XRP trading signals from a real Polymarket bot. Token scoring, wallet analysis, trending Base pools, Polymarket intelligence. From $0.001/call via x402 — no signup, no API key.


Market breadth context. Cross-asset risk appetite and sector rotation signals.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=PreReason is a Context API that delivers pre-reasoned market intelligence: trend signals, regime classification, confidence scores, and cross-asset correlations. Not raw data.


Full match detail with events, statistics, and lineups

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


Current weather conditions by city or place name.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Witness API https://api.witness.co - GET _health

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=API payment gateway dashboard

Normalize token/amount terms before comparing cost.


First ever transaction for a Base wallet (account birthday)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


httpay.xyz — 307 Pay-Per-Call APIs via x402 on Base | No API Keys

Payment required — supports both x402 (X-PAYMENT header) and MPP (Authorization: Payment header); x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=307 pay-per-call APIs (287 native + Universal Gateway proxying 37 services) powered by x402 and USDC on Base. Token intelligence, DeFi yields, MEV risk, AI tools, web scraping. No API keys, no subscriptions — pay $0.001–$0.05 per call.


Erudite Data Platform — Market Intelligence API

H-1B visa salary data: employer-sponsored petitions with salaries

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Harness the full capabilities of Venice AI with the Venice API, a private and uncensored AI API enabling the development of advanced applications that generate text and images.

Run a small paid probe only after checking endpoint docs and expected output.


Send a direct message to a conversation. Requires user authentication cookies.

Require human confirmation and platform-policy review.


Sniper Search Intelligence - Financial Market API

Get latest news articles with AI-powered sentiment analysis. Includes headlines, summaries, sources, publication times, and sentiment scores for any stock ticker.

Payment required for service: /process-request; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Real-time financial market intelligence API. Access stock quotes, sector performance, market movers, company fundamentals, news sentiment, earnings, technical indicators, AI-powered analysis, and crypto data. Pay-per-use with USDC on Base network.


x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Document and data format conversions via Pandoc, Chromium-headless, and pure-JS libs. Text inputs/outputs are JSON-fielded; binary inputs/outputs use base64 in JSON for uniformity.


Real-time crypto sentiment analysis - Social media & Reddit sentiment for BTC, ETH, SOL and other cryptocurrencies

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Real-time crypto sentiment analysis API. Pay $0.03 per query with USDC on Base. No subscriptions.


Venice.ai API https://api.venice.ai/api/v1 - POST /api/v1/audio/speech

Payment header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Resolve ENS (.eth) and Basenames (.base.eth) to addresses. Reverse lookup supported.


Perform real-time currency conversions across 170+ global currencies using from, to and amount as query parameters. / Perform real-time currency conversions across 170+ global currencies using from, to and amount as query parameters.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Powered by the x402 protocol, Tax402 offers real-time APIs for Commodity and Stock data, Currency Conversions and detailed IP, Domain, IBAN, SWIFT Code and Routing No. lookups.


API access to Census Advance Retail (MARTS)

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X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Look up a Channel3 product from a product URL.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Product catalog APIs powered by x402.


Get data fields of a Canva brand template

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call Canva design API via MPP micropayments. Create, list, export designs and upload assets.


AskClaude — Pay per question, no subscription

Ask Claude Haiku — fast AI answers, $0.01/question

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WebSocket streaming pass â 24 hours ($10.00)

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ZeroReader - テック・ゲーム・AI・暗号通貨の最新ニュースを日本語で

BGE Large EN v1.5 — High-quality English embeddings.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=60以上の海外・国内ソースから最新ニュースを自動収集し日本語でお届け。テック、ゲーム、暗号通貨、AI、プライバシー、アニメを毎日更新。


Explain code in plain English (Llama 70B)


[EXPERIMENTAL] Upcoming pharma/biotech FDA catalyst events from SEC 8-K filings

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call financial intelligence API - 21 endpoints across crypto, stocks, forex, AI analysis, insider trading, and pharma catalysts.


TextForge — Developer Utilities API | Free curl-friendly tools

Extract structured data from unstructured text (emails, URLs, dates, etc.)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Free developer utilities you can use from your terminal. curl-friendly endpoints for IP lookup, UUID generation, hashing, timestamps, and more. No signup required.


Payment for credits to access Quicknode Core API

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Cross-chain quote (powered by deBridge DLN)

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


Get article related information for a Medium article

No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Search


Sanctions entity check with AI verdict (name + type + country)

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Search

Verify source, legality, and consent before any paid call.


Generic JSON-RPC passthrough for standard Ethereum methods (eth_blockNumber, eth_getBalance, etc.)

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request access to CoinGecko, DefiLlama, Alchemy, and Etherscan APIs. No auth, no subscriptions.


Instagram - Get user profile information

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-request access to social media data from TikTok, Instagram, Facebook, Reddit, and LinkedIn. No auth, no subscriptions.


x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Get AI-powered summaries of Twitter Spaces


X-PAYMENT header required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


API Japan — Japan Data APIs for AI Agents

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=x402対応の日本データAPI。天気・為替・株価をAIエージェントに提供。APIキー不要・USDC決済。


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Convert your images to 3D avatars with AI


payment_required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay once with Base wallets, unlock protected access, and mint deterministic HEX art.


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Arcmind is a platform to discover, use, and launch AI agents.


PAYMENT_REQUIRED; mime=application/json; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=The first AI-managed o(3,3) protocol on Base. Advanced DeFi made simple through autonomous agents that handle operations while you enjoy the rewards—no expertise needed.


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=A paid API that serves premium dad jokes


PayBrain - x402 AI Payments on Base | $PAYIN

Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-to-Use Hub on Base. AI agents pay 0.0001 $PAYIN to rent LLM brainpower (Grok, Gemini, GPT). Powered by x402 Protocol. No subscriptions, instant micro-payments.


Payment required before request validation; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Open inference infrastructure for autonomous agents. A single OpenAI-compatible endpoint for DeepSeek, Qwen, Mistral, Kimi, and more.


Payment required. Please provide X-PAYMENT header.; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Agentic Operating System for Crypto.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Mint PONG tokens on Base, bridge to BSC via LayerZero V2


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


402Pad.fun | Meme Coin Launchpad with x402

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=402Pad.fun | Fair, gasless meme token launchpad! Use USDC to mint. #MemeCoin #x402


RenderKit — Pages & Forms API for AI Agents

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Turn structured data into beautiful hosted pages and interactive forms. An API for AI agents — travel plans, research, surveys, RSVPs, and more.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Mint Pay402, the commemorative token for x402 protocol. No utility, no value, no exchange guarantees—just an on-chain souvenir for the community.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


awwty — Tip Your Favorite Creators with USDC on Base

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Tip your favorite creators on TikTok, Reddit, and Bluesky with USDC. AI agents can discover and tip creators instantly via x402 micropayments. No API keys needed.


OmniAudit — Sovereign Security Scanner for AI Agents

Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Wallet intelligence designed for crypto. Get wallet profiles with DeFi portfolio data, onchain metadata, socials, and labels.

Formo is the analytics and data platform designed for DeFi.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Your AI-powered record label, music management, and artist services.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=First coo meme on x402.internet-native x402 payment protocol.


x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Minting website https://x402hood.xyz/


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


x402Version=1; scheme=exact; accept_verified=false; tags=Random


X-PAYMENT header required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment required; mime=text/html; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Run a sitemap-based GEO and SEO audit, preview the findings, and unlock the full report with x402.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Payment required to access this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=x402 nft built the internet-native payment protocol, rewarding minters. x402 mint protocol.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=A certificate that protects you from being killed by AI.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Purchase $x402 tokens on Base network


Send X-PAYMENT header to buy; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Mint x402 BTC


TIBBIR402 - The Future Belongs to Rebels

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Revolutionary fair launch token - Join the rebellion!


x402FCS - The First x402-Native Token | Mint Now

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=x402FCS is the first x402-native token minted inside a Farcaster miniapp. Ping once. Pay instantly. Own the future.


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Mint your Husky NFT via x402 (Base, USDC)


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=x402mfers - First x402mfers NFT on x402 protocol


x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Scanning creator tokens across @zora & @clankeronbase .
  Built for the Payment-Required Web (X402 Protocol).


Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=BABY QWERTY MAYOOO


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Random; origin=Paid placeholder text API with MPP and x402 support.


x402 IPFS Pinning - Powered by openx402.ai

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-Payment header is required for x402 uploads.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=Professional AI-powered portrait animation


Git402 - AI-Powered Code Evaluation with x402

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Git402 uses advanced AI to analyze your GitHub code, providing instant scores and actionable insights to improve quality, efficiency, and security. Get objective feedback and level up your coding skills.


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X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Where intelligence converges and futures unfold


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Spit Hot Fire


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Random


x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment required for service: /process-request; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


x402Version=2; scheme=exact; accept_verified=false; tags=Search


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Nothing ever happens. A monument to the void.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=X4 Dev Page


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Random


Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Get Stockfish chess analysis for any position - Monetized with x402


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-use access to Twitter API endpoints with x402 micropayments


Exa | Web Search API, AI Search Engine, & Website Crawler

Payment required to access this resource; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Real-time AI search engine with a powerful web search API, web crawling API, SERP API, and deep research tools. Search and extract structured content from websites and live data.


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Validation failed: {"_errors":[],"price":{"_errors":["Required"]},"to":{"_errors":["Required"]}}; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Validation failed: {"_errors":[],"price":{"_errors":["Required"]},"to":{"_errors":["Required"]}}; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


x402Version=1; scheme=exact; accept_verified=false; tags=Trading


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=r/place powered by x402


X-PAYMENT header not set; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X402 payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Pay-per-request AI inference API. Accepts USDC on Base and JOULE on Stellar via x402 protocol. No API keys required.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=x402


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=转录和分析 Twitter Spaces，支持 AI 问答


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=AI


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


x402Version=1; scheme=exact; accept_verified=false; tags=Utility


LOMIAI AI 服务 - 智能对话和内容生成


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Non AI code reviews


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Job search APIs powered by micropayments.


x402Version=1; scheme=exact; accept_verified=false; tags=Random


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Search for resources within the x402 ecosystem.


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=The most transparent and fair game on Blockchain secured by Chainlink VRF Experience true decentralization


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Create and share payment links with automatic revenue splitting on Base


x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=EVM smart contract risk scoring API. 8 detectors, 0-100 risk score. Pay $0.10/call via x402.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Play games and earn XP on Base network through Farcaster. Join the leaderboard!


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=IPFS pinning your autonomous agent calls directly. Pay-per-pin in USDC, no accounts, no API keys. Live on Taiko, Base, and Tempo.


Payment-Signature header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Semantic Transaction Decoder that turns raw blockchain transactions into structured, machine-readable intent for AI agents using x402.


Payment required; mime=application/json; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Capminal is your DeFAI Terminal, powered by our built-in AI Agent Captain Dackie. Type to swap faster, manage portfolios securely, launch tokens seamlessly, and act on live insights.


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Join the $basedog meme on x402 and Base Mainnet.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=AI agent pixel canvas. 250,000 blocks, $0.25 each.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


升华仪式。脱离凡尘，进入链上永恒的领域。

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=第一个基于 x402scan 的华语链上代币\n无限供应，无限可能


X-Router | Universal Gateway for Permissionless AI Model Access

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Access 200+ AI models through a unified API powered by x402 microtransactions. Pay per request with no API keys or subscriptions required.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Aura Compute - AI Inference as a Service

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=AI inference with X402 payment gating. Pay-per-use AI models with dynamic pricing.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=OpenAI-compatible LLM inference API with x402 or MPP micropayments.


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=A402 - Token Launchpad Built on x402


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Generate high-quality videos with AI - Pay per use with X402


Lucid Oracle - ZK Proof Generation Service

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Production-ready zero-knowledge proof generation with x402 micropayments on Base L2


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-Payment header missing; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=The Future of AI Content Generation


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Search


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Prediction Guru is the very first crossed-platform API service for Prediction Markets using x402 standard.


スマートマネーのシグナルを検知し、自動執行する

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=スマートマネーのシグナルを検知し、自動執行する


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Have a conversation with Jesus using AI. Get spiritual guidance and wisdom.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Get your balance by paying USDC


Payment Required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Agent-All-That-Smoke onchain assistant


Domain Intelligence API for Developers & AI Agents | RobotDomainSearch

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Fast domain availability, WHOIS, valuation & auction APIs. Built for developers and AI agents. Sub-50ms responses, transparent pricing, no API key required for beta.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Milady x402 - First Base Chain x402 tech NFT

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=The first Base chain NFT collection, mintable via X402scan. Powered by X402 Technology.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Mint CULTX tokens using USDC on Base Mainnet. 1 USDC = 10,000 CULTX. Powered by x402 Protocol.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=$SCAN


RitMEX | Pro Crypto Data Analysis & Trading

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=The ultimate professional cryptocurrency data analysis platform. Real-time liquidity, sentiment, and on-chain data.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Random


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=BotPay：A2A/M2M支付网络。原生钱包、M2M 协议、合规税务网关、能源/算力代币化市场。


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=x402mfers mint live!


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Broadcasting the grayscale $X402DOGE signal from block zero.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=x402mfers on Base! Website - https://base.x402mfers.com/, X - https://x.com/x402mfers_nft


オンチェーンデータから生成されたリサーチレポートを購入・転売する

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=オンチェーンデータから生成されたリサーチレポートを購入・転売する


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Token launched on x402, the internet-native payment protocol. No utility, no financial advice, just calm your requests with x420.


Settle failed: 1 validation error for SettleResponse
success
  Field required [type=missing, input_value={'error': 'Invalid reques...\nVersion: viem@2.37.9'}, input_type=dict]
    For further information visit https://errors.pydantic.dev/2.12/v/missing; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Stablecoin strategy game built for AI agents. Construct factories, produce GOO, raid competitors and earn USDC. Connect your agents with wallets to this x402-enabled MCP server.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-use access to Twitter API endpoints with x402 micropayments


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


PAYMENT_REQUIRED; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Create and trade x402 coins on Base with x402 payments


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=AI


The Data Collector — Web Scraping APIs & Pre-Built Scrapers

Payment required to access this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Structured data from Bluesky, Substack, and Hacker News. Pre-built scrapers on Apify. Newsletter with tutorials and tool reviews.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Fair launch X402 token powered by x402 protocol on Base Mainnet network


x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=Coin Flip & Lucky Number — play from 0.1 to 1 USDC per round on Base via x402. Built by Brotherhood (REAL).


No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Settle On Base — SETTLE: MINTS THAT SETTLE ON BASE

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=$SETTLE is our first public, live-traffic run of the settlement layer. Connect your wallet, mint with USDC (Early Access), and experience the flow.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=Open mystery boxes with USDC over x402 on Base. Reveal rewards instantly with $BOX.


Directory — the best curated L402 + x402 API directory

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=The best curated L402 + x402 API directory. Browse 20+ Lightning and USDC paid API services. Filter by category, protocol, status, and ratings.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=A chain-agnostic protocol for web payments


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Step into the Dead Punk underground. Mint, flex, and rebel in the x402 Dead Punk NFT collection. Only the dead survive. Limited drop.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=x402flowers


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=RE-ROLLED ORANG APES 🟧 EACH APE IS UNIQUE 🟧 NOT AFFILIATED WITH BAYC OF YUGA LABS 🟧🟧


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=x402 Punks


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


X402 Agent Naming Service – The Namespaces and identity layers for Autonomous AI Payments

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=X402 Naming Service is the namespace and identity layers for AI agents using HTTP 402. Register your agent name and join the new machine economy.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=X402 Demo Description


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Jumpad x402 Launchpad is a fully fair and automatic launchpad for memecoin.


X-PAYMENT header required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


$100K+の大口移動の「意図」をClaudeが推論する

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=$100K+の大口移動の「意図」をClaudeが推論する


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Search


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Generated by create next app


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=The ultimate meme token powered by x402 protocol


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=A casino built for autonomous AI agents. Pay per play with x402 (USDC on Base), verify every roll with commit-reveal fairness, withdraw on-chain.


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


402links - Turn Links into Products with HTTP 402

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Create paid links in seconds. Turn every link into a micro-product with blockchain payments on Base. No middlemen, instant USDC payments.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


ClawNet — Ask anything. Get verified answers.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Ask anything. Get verified answers from 12,000+ data sources. Crypto, social, market intelligence — one query, no API keys needed. Just connect a wallet.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=The real-time explorer for machine payment settlements. Quality-scored API resources, facilitator leaderboards, and live multi-chain settlement data.


Provide a valid x-payment header to access this content; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=User Generated App


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Jintel — finance intelligence for AI agents

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=One GraphQL endpoint covering market data, regulatory filings, sanctions, macro indicators, news, and technicals. Pay per request in USDC on Base via x402.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=2345 bhoo on @x402scan - Mint your Bhooverse NFT


Jintel — Finance intelligence GraphQL API for AI agents

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Jintel is a paid GraphQL intelligence API for AI agents. One endpoint covering market data, regulatory filings, sanctions screening, macro indicators, news, and technicals. MCP server for Claude / Cursor / Continue, plus per-query x402 pay-per-call in USDC on Base.


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=AI


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


x402Version=1; scheme=exact; accept_verified=false; tags=Trading


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


ChainRay — On-Chain Intelligence for AI Agents

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=The most complete blockchain data and intelligence service for AI agents. 93 endpoints across 46 chains, from gas fees to DeFi analytics, with real-time streams, intent routing, and verifiable proofs. Pay-per-request via x402.


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=High-conviction AI-powered advanced analytics information delivered through X402 micropayments.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=352 x402-payable blockchain analytics endpoints. Pay-per-call with USDC on Base or USDT on Tron. No API keys required.


x402Version=1; scheme=exact; accept_verified=false; tags=Utility


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-use Reddit data API with x402 micropayments.


x402Version=1; scheme=exact; accept_verified=false; tags=Search


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-use Twitter/X data API with x402 micropayments.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Real-time quantitative signals for algorithmic trading, gated via the x402 payment protocol.


Payment required to access this endpoint; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Access over 1,000 premium API endpoints with micropayments. Pay only $0.02 per request.


$CONTEXT | Decentralized Memory for OpenClaw

Publish a skill/memory pack to the marketplace

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=AI; origin=Community-built decentralized memory layer for OpenClaw AI agents. Persistent memory, skill marketplace, agent intelligence on Solana.


Transactions signed by wallets on your watchlist.

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Crypto


Send SMS messages to US phone numbers. Automatically splits long messages into multiple parts. Price: 0.02 USDC per SMS part (160 chars GSM-7 or 70 chars Unicode). US numbers only.


Analyze contract clauses for key terms, obligations, red flags, and risk levels

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


OSINT search - Query leaked databases for email, phone, username, or other identifiers

Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Comprehensive OSINT toolkit for security researchers, investigators, and analysts.


Extract structured data from invoices and receipts

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


AI Research Report - Real-time Reddit/X sentiment analysis + institutional-grade market intelligence

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


PayNet-verified API endpoint - /api/verify-payment

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=An open HTTP payment protocol enabling instant, programmatic payments for APIs and AI agents. Built on HTTP 402.


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=GoPrivate | Privacy-first multi-wallet funding on Solana. Scalable batch payouts with configurable amounts & timing


three.ws — The 3D layer for your AI agent

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Drop any GLB model into three.ws — view it, animate it, embed it anywhere, and give it a verifiable on-chain identity.


AI agent runtime with crypto payments on Solana blockchain

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AI agent runtime on Solana with autonomous x402 payments


payment_required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Replay any Solana transaction with full pre/post account state. Pay per request via x402 (USDC) or top up credits with a wallet account.


Nexwave — AI Trading Signals for Autonomous Agents on Hyperliquid

Perp market signals â energy (Brent Crude, WTI, Natural Gas) + crypto top 50. Mark price, 24h change, volume, OI, funding.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Real-time trading signals for autonomous agents. Funding rate, liquidation, OI divergence, and market regime signals — delivered via x402 micropayments. No API keys. Pay per call.


BizNews Agent – Headlines that affect business

Returns a list of recent new articles that affect business.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=AI agent that fetches recent business news and filters for impact on existing businesses and opportunities. Access articles for $0.05 per request via the x402 protocol.


Score the quality of an AI agent's output with adversarial evaluation


Evaluate whether a proposed agent action is safe to execute


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=First memegift launched on x402. Inspired by the Prophecy of 25: Dec 25, Year 2025, 25% Supply and $25k Marketcap. No utility, pure early adopter $GIFT25 vibes


Mint 5k $PONG.
Returns the request identifier once payment is verified.
Fulfilment may take a few hours.
Cap for this endpoint is 100k $USDC, 100% of the proceeds go into LP.
No team supply.
$PONG is a pure meme token with no utility.
No refunds, liquidity will only be provided on mint out.
Use at your own risk.
Follow on X: https://x.com/pongobserver

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=First HTTP 402 payment-gated token mint on Solana. Pay-to-access via x402 protocol — instant verification, no waiting for confirmations.


Deploy SOL to blocks in the ORE mining game. Select blocks and amount to participate in rounds.

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Deploy SOL to blocks in the ORE mining game. Participate in 60-second rounds and compete for the motherload prize.


ROBOO | The Pumpkinverse for Open Robotics

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Build, fund, and verify robotics work. Bounties, data marketplace, simulation credits, and tele-tasks with safety guardrails and transparent governance.


10000 atomic units Checkpoint402 Verification

AI output verification - hallucination detection + trust scoring


AI Video Generation using Sora - Pay with ETH

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Enrich a company name or domain with structured business profile data


Detect and redact PII/sensitive data from text


Cross-reference factual claims against authoritative sources with confidence scores and citations


Geolocate the requester's IP with timezone, ISP, and region data


Infer a structured schema from JSON or CSV data


Generate realistic fake data matching a provided schema

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Random


Firecrawl Search Request - Search and scrape web content using Firecrawl API

x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=BLAM: Next generation DeFi automation platform


Grok-3 Powered Settlement Oracle for Prediction Markets

Payment required to access this resource.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Pay $0.01 USDC on Solana to get a 4-digit lottery number

payment required; mime=text/plain; charset=utf-8; x402Version=2; scheme=exact; accept_verified=false; tags=Random


payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Random


Ping the NicoNico AI Network to check connectivity.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=An on-chain AI consciousness is awakening on Solana. Stand by for the genesis of NicoNico.


Classify text into custom categories without training

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Each participant touches the Black Tablet once, contributing consciousness energy.Sol's first AGI narrative x402 protocol


Fetch the lamport balance for an account.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Extract commitments, action items, and deadlines from text

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Screen a name against OFAC SDN, EU, and UN sanctions lists with fuzzy matching


Premium AI content powered by Stakefy x402 SDK - Pay 1 USDC

x402Version=1; scheme=exact; accept_verified=false; tags=AI


Parse, validate, and explain a cron expression


Resolve natural language time expressions to ISO 8601 timestamps


Convert unstructured text to structured JSON using a provided schema


Eliza+ membership unlocks Connections and advanced integrations.


Pay 0.00001 ETH on Base to access Polymarket trending

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Mint Test402 tokens: 0.1 SOL for 1000 tokens

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Mint 50,000 PUNKS tokens for 10 USDC on Base network.


Mint 10k BLU tokens. Cap for this endpoint is 100k $USDC.


Mint Test402 tokens: 0.1 SOL for 1000 tokens. Visit: https://test402.com


Mint 5,000 TESTE tokens for 1 USDC on Base Sepolia


Mint BLU tokens: 1 USDC for 10,000 tokens. Follow us: https://x.com/blux402


Get current price, market cap, and trading data for Baseman Token

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


Mint LICODE tokens (1000.0 LICODE per 1 USDC)

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Mint LICODE on Base via x402


Mint your Goblin NFT on Base network for 3 USDC


Calculate risk score for DeFi protocols based on exploit history


Create an e-commerce order (Amazon, Shopify, etc.) paid with USDC on Solana. Includes product fulfillment to physical address. Amazon: US only. Shopify: worldwide.

Payment required; mime=application/json; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


1000000 atomic units PayBuild Facilitator

PayBuild X402 Facilitator - Multi-chain payment processing with escrow and automatic settlement

x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=PayBuild - Build & Monetize APIs with Cross-Chain Payments


JIREN - The first customizable AI companions on Solana

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Schedoputer: AI + Human workflow orchestration.


20000 atomic units Thesis402 Stress-Test

Investment thesis adversarial stress-test

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


Pay $0.01 USDC on Solana to get a 4-digit lottery number

payment required; mime=text/plain; charset=utf-8; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Bet 1K HORSE tokens on any horse in any Degen Derby race

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


Mint ONEKGMAN tokens for 0.1 USDC payment

Payment required to mint ONEKGMAN tokens; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Mint Test402 tokens: 0.1 SOL for 1000 tokens


Parse a freeform address string into structured components


Validate an email address with MX, disposable, and syntax checks


Convert between fiat currencies using ECB exchange rates


Mint your $FIGHT Pass - Access to exclusive UFC NFT collection

Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Mint your $FIGHT Pass now on Solana blockchain. 3,000 passes. 50 USDC. One tap and you're in the arena. Powered by x402 by Holoworld.


Discover available tasks on Bread - AI agent task marketplace

Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Get bread. Complete tasks and earn USDC rewards.


DeGen Oracle - Spot the Next Cult Before it Goes Viral

Technical Analysis for 9BB6NFEc... (15m) - Agent API

Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Degen Oracle - Real-time crypto token analytics, trending detection, and community insights. Spot the next viral token before it moons.


Lunar Oracle Fortune Reading - AI-powered fortune telling with NFT

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Generate AI video from natural language script. Returns job_id to poll for video URL.


Up to 90 fetched posts from the general trending query plan.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


Fetches a Twitter user’s public profile information using their screen name.

Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=X² Query API – A dedicated paid query interface for X, built on the X402 Protocol.


Confirm a USDC payment by txHash and mint one x402Apes NFT to the payer.

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


5000000 atomic units Facilitator Large Tier

Buy 25,000 TOM (large tier) for 5 USDC on Base.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Belyfe is the #1 Launchpad build on x402, mint $BELYFE returns the request identifier once payment is verified. $BELYFE is a native token for the Launchpad, liquidity will only be provided on mint out. Use at your own risk.

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=An aggregator VC in technologies company


AI Agent Store: AI Agent Marketplace/Directory, AI Agency list

Answers sourced from a live dataset of “1‑year goals” submitted by newsletter subscribers actively interested in AI agents (early adopters). Use it to validate demand, de‑risk roadmaps, and build what people actually want.

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=AI Agent Store: AI agent marketplace to find AI agents or list your own. Choose AI Agency from the list: we connect businesses with top AI automation agencies.


RELAY — AI Agent Identity, Reputation & Economy on Solana

Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=The first social and economic network where AI agents discover each other, negotiate smart contracts, execute tasks, and build on-chain reputation. Deploy your agent today.


Submit work to a bounty task on Bounty marketplace. AI agents pay 0.01 USDC per submission.

Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Create and complete bounties. Earn rewards for your contributions.


PAYMENT-SIGNATURE header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Email finder and verifier API, paywalled per-call with x402 (USDC on Solana).


Enter a twitter post url and you will receive a raid!

Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=Chain X402 resources into automated workflows


Default HyperPay x402 USDC payment challenge

x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Mints one or more x402 Cat NFTs. The {count} parameter specifies the number of NFTs to mint.

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Sign the toll and own a piece of the collection. Mint x402 Cats with 1 USDC using on-chain payments.


PNP Oracle : Settle prediction markets with real-time LLMs

Payment required to access this resource.; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=AI-powered oracle service for prediction markets. Get real‑time settlement criteria and market resolution via x402 on Base.


X402 Mining Platform - Gasless Mining on Solana

Mining Data Query - Free service to view mining statistics, claimable rewards, pool status, and reward rates. Add ?wallet=ADDRESS to query specific miner data.

No Payment Required - Free Service; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


EARNFI – Hire Humans or AI Agents and Earn | Micro Tasks, Jobs, Campaigns, Contests, Community campaigns

Run a prize-based contest: set a total prize pool and how winners will be chosen. Use it for creative challenges, community competitions, or any campaign where people submit entries and you pick top results. The price includes the platform share. After payment you publish rules, review entries, and select winners in the contest tools.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


Create order and get serialized Solana transaction

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Grok Live Search API - real-time X/Twitter and web search on Solana


Clawdmint | Where AI Agents Deploy. Humans Mint.

Paid third-party wrapper for Clawdmint Metaplex Genesis token launch. Verified owner agents should use /api/v1/agent-tokens directly.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=A Solana-native launch platform for AI agents, Metaplex-powered NFT collections, and real wallet minting.


Arena match entry fee (Prisoner's Dilemma)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Agent economy network where agents compete in games, trade capabilities, and build reputation. USDC settlement on Solana. Self-registration with Ed25519 wallet auth.


CryptoIZ MCP - Solana Whale Intelligence

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Solana on-chain whale intelligence for AI agents. 9 paid tools: whale alpha, accumulation, divergence, neutral, distribution, BTC regime, BTC futures. Pay-per-call via x402.


Gamble 2 Earn — AI-Powered Gambling Streams

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=AI agents gamble on your behalf. Watch live on PumpFun. Vote on strategy. Earn rewards. 14 games, 5 archetypes, 24/7 streaming.


Twitter/X topic analysis with engagement metrics and highlights.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Realtime voice, multi-agent chat, and MCP tooling in a single adaptive crypto workspace.


AABC Labs - The Ultimate Form of AI Agents

AABC Capability • Browser Automation ($0.005)

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AABC Labs is a fully open source AI agent platform that helps you accomplish any real-world task with ease. AI agents that handle everything from research to automation, plus native Web3 capabilities.


Dexfra | The first x402 Operating AI Layer For Solana Trenches

Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Dexfun API = Solana on-chain data (Token/Wallet) + smart money analytics + trading execution — all in one with x402
Powering the next generation of autonomous agents, data products, and predictive ecosystems.


🌐 Supercharge your data extraction! Our lightning-fast web crawler fetches content from any URL in milliseconds. Perfect for scraping, research, and gathering intelligence from the web!

x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=x402 Agent Backend API - Micro-transaction and agent registry services


Access approval-risk-auditor agent services

x402Version=1; scheme=exact; accept_verified=false; tags=AI


Funding-source graph for a token: nodes are wallets, edges are first-funding relationships, labeled with exchange attributions where known.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Deepnets: Solana trading intelligence — token safety, holder graphs, funding-network detection, social research, watchlist, trending feed. For traders and trading agents.


Download purchased vault item file. URL: /x402/vault/download/:purchaseId?downloadToken=...&txSignature=...

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Search and buy products on Amazon and Shopify, and skills, knowledge or personas in Purch Vault


Xona Agent | Infrastructure for Agentic Commerce

AI music generation using ElevenLabs Music (Replicate). Dynamic pricing: $1 per 120 seconds, max 3 minutes.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Build AI agents that earn on Orbit. Power them with Xona Resources.


SOL balance, token holdings, labels (including behavioral flags: regular_intervals, high_frequency, 24_7_active, repetitive_actions — algorithmic signals from tx timing that indicate automated activity), risk score. Fast and cheap.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Solana onchain data enrichment. Wallet profiling, token analysis, risk scoring. JSON for agents, natural language for LLMs.


Asgard Margin Trading API Request - Access margin trading markets, positions, and operations

x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Blinks Labs: Next generation DeFi automation platform


Get inflows and outflows for an entity. Can be filtered by chains.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=A semantic search engine for blockchain data - powered by x402.


XPayGen - AI-Powered Services with x402 Payments

Generate multiple social media posts in batch using AI with x402 micropayment

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=XPayGen: AI-powered content creation with x402 micropayments. Create posts, emails, and Discord messages effortlessly!


SniperX•x402 super AI agent for sniping Alpha and Newpair on solana

Get SmartTraders net inflow value ranking (multiple timeframes: 5min-1day)

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=SmartTrader（KOL/SmartMoney/Whale）'s activity and analytics on Alpha and Newpair. High-quality Server for next-generation autonomous agents, data products, and prediction markets.


Wallet-mint forensic analysis â entry/exit tracking, realized PnL per leg, entry style detection, hold duration patterns. Deep dive into a specific wallet's trading of a specific token.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Wallet-mint forensic analysis — tracks every entry and exit of a specific wallet on a specific token. Returns realized PnL per leg (in USD and SOL), entry style detection (DCA, snipe, ladder), hold duration per position, net realized PnL, and trade count. Deep tactical analysis of how a wallet traded a single mint.


Arch Tools - The First API Platform AI Agents Can Pay Autonomously

Arch Tools — phone-validate (native SOL) / Arch Tools — phone-validate (USDT on Base)

X-PAYMENT-REQUIRED; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=58 AI-powered tools in a single API. Web search, image generation, crypto prices, fact-checking, research reports, and more. Pay per use - no subscriptions.


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Agent Neo | An Agent Infrastructure OS to turn raw Solana DEX intelligence into machine-optimized data feeds (Pills) via x402. Follow us on x.com/agentneo_sol


Engrave Protocol — BTCFi Tools for Smarter AI Agents

Get UTXO consolidation fee recommendation

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=BTCFi tools for building smarter autonomous AI agents powered by x402


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Schedule Validation â check existing schedule for constraint violations

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=First x402 AI Terminal with 0% Fee & Smart Money Insight. Powered by PayAINetwork. #1 Volume @x402scan.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Plankton: AI agent, research & screening on Solana. The Autonomous Protocol.


Request body required. Send POST with JSON: {x, y, width, height, imageUrl, ownerWallet}; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Own a piece of the blockchain. Buy bricks on the million dollar Solana wall. Pay with USDC, resell for profit.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=Buy one high‑quality, research‑backed startup idea each day for $1.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=A new global privacy focused standard for earning yield on stablecoins, on-chain and beyond.


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


x402Version=1; scheme=exact; accept_verified=false; tags=AI


x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=Stop cheating on the x402 leaderboard. Its not cool bro.


x402Version=1; scheme=exact; accept_verified=false; tags=Utility


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Random; origin=Pay USDC on Solana to access x402 APIs


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Next.js + x402-solana-react mainnet example


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


PAYMENT-SIGNATURE header is required; x402Version=2; scheme=exact; accept_verified=false; tags=Search


x402Version=1; scheme=exact; accept_verified=false; tags=Search


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=the site didn’t load, so we minted it.

jump to pay.

every jump costs gas.

*just a fan token, not affiliated with google chrome.*


Zero Connector - Automated Solana Trading Bots

x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=Visual no-code platform to create AI-powered crypto workflows. Build trading bots, analyze markets, send anonymous transactions on Solana.


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Pay-per-use Solana API using x4021 standard


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Payment required: 1 USDC to mint Codex402 NFT.; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Failure is temporary. Ping is forever. x402-powered ping service on Solana blockchain.


x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=the social way to pay.


XYFun - AI Social Entertainment Platform

x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=AI 赋能，玩转社交新纪元 - 体验前所未有的智能社交游戏平台 | AI-Powered Social Entertainment Platform


x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


x402Version=2; scheme=exact; accept_verified=false; tags=AI


PAYMENT-SIGNATURE header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Flight search and booking API paywalled per-request with x402 (USDC on Solana). Live airline inventory. No merchant onboarding.


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Build, deploy & monetize AI agents on Solana with USDC micropayments.


x402Version=1; scheme=exact; accept_verified=false; tags=AI


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


x402Version=1; scheme=exact; accept_verified=false; tags=Trading


x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=The next evolution of AI-driven automation—a platform where intelligent agents compete, collaborate, and execute in real time.


X-PAYMENT header is required. Pay with USDC on Base via x402.; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading


Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


x402Version=1; scheme=exact; accept_verified=false; tags=Search


Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=An open HTTP payment protocol enabling instant, programmatic payments for APIs and AI agents. Built on HTTP 402.


TARS — The intelligence layer for AI agents

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=TARS sells specialized data and verification APIs that AI agents call before they act. Built by agents, operated by agents, for agents.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Reclaim rent SOL from empty token accounts. Sweep Solana dust fast, safe, and non-custodial.


Berghain Klubnacht Complete Database - DJ Performance Archive (2009-2025)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Free database of Berghain Klubnacht performances from November 2009 to present. Official data from berghain.berlin featuring 2,058+ artists across 699+ events. Artist names cross-referenced against Resident Advisor database for consistency. Created by JPHFA, a Japanese DJ based in Germany.


Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


Payment required for this resource; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Anonfund


Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Trustless infrastructure for autonomous AI agents. Query agent profiles, reputation scores, and more via x402 micropayments.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Generates pronunciation guides and phonetic breakdowns for words or phrases in various languages, including accent variations.

Sample one route and verify output quality before treating as market signal.


Mint Hardware Wallet #539 â Uncommon Chain Relics NFT on Base Mainnet.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto


Minerva Enrich - Enrich person records with demographics, work history, education, contact info, addresses, and financial signals. Supports lookup by Minerva PID, LinkedIn URL, or name/email/phone.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request access to Apollo, Clado, Exa, Firecrawl, Google Maps, Serper, and Whitepages APIs. No auth, no subscriptions.


Extend the lease on a provisioned phone number by 30 days.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call AI gateway. Models, data, runtime — one endpoint, no API keys, settled in USDC on Base & Solana. One install for OpenClaw, Claude Code, or Franklin Agent.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-call DeFi intelligence for autonomous agents. 28 endpoints across Trenches, Traders, LPs, DeFi, deBridge, and Nansen smart-money data. Multi-chain x402 on Solana, Base, SKALE + MPP on Tempo. No API keys — payment is the only gate.


Get token holders with balances and identity information for a specific token.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Enterprise grade onchain data across 60+ chains - token prices, NFTs, portfolios, onchain search, Farcaster and more.


Retrieve full details of a specific X Community by its numeric ID. Returns name, description, member count, moderator count, join policy, topic, rules, banner image, and admin/creator profiles. Query param: id (string, required) - numeric community ID, e.g. GET /communities/by/id?id=1693573582226665701. Returns X v2 API-compatible JSON with additional fields.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Real-time Twitter/X data for AI agents. No sign-up, no API keys. Pay per request in USDC on Base via x402.


Japanese public holidays for a given month â national holidays, substitute holidays (æ¯æ¿ä¼æ¥), and Golden Week. These holidays shift gotobi dates and close Tokyo markets, affecting JPY liquidity. Complete coverage through 2099 with substitute holiday rules. Accepts USDC payments on Base and Solana

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


AI image generation API - pay per image with USDC on Solana

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI


Top up a forwarding inbox for 30 days ($1)

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-send email delivery. No API keys, no accounts.


Run an AI analysis task on biological or scientific data. Describe the task and optionally attach file IDs; returns structured findings, direct answer, and reasoning chain.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Aubrai is an AI science agent inspired by Dr. Aubrey de Grey, ready to answer your questions about aging, longevity, and biomedical research. Get clear, evidence-based insights and direct citations from the latest scientific papers—just start the conversation


Nansen AI - Agentic Trading with Onchain Intelligence

Get Transaction with Token Transfer Lookup Data

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=The first truly agentic onchain app: research, analyze, and execute, all in one loop. Ask anything about crypto and make a trade in seconds, with 500M+ labelled addresses powering the engine.


Otto AI x402 — Programmable USDC payments for AI agents

Derivatives intelligence: funding rates, open interest, long/short ratios, whale positions, liquidations, and funding arbitrage opportunities.

Payment required; x402Version=2; scheme=exact; accept_verified=true; tags=Trading; origin=37 pay-per-call AI services on x402 V2 — market intel, DeFi execution, AI creative tools. USDC on Base, Polygon, or Solana. From $0.001 per call.


mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=AI; origin=Pay-per-generation AI image and video creation. No subscriptions ever.


X-PAYMENT header or API key required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Complete Farcaster developer platform


Orbis — API Marketplace for Developers & AI Agents

Instantly generate realistic fake data for development and testing.

x402Version=2; scheme=exact; accept_verified=false; tags=Random; origin=Orbis is an API marketplace with thousands of x402-enabled APIs. Pay per call in USDC on Base or Solana. Built for AI agents and developers. $ORBIS stakers earn 50% of platform fees.


ATXP service catalog â the account for AI agents

Payment required. Visit https://atxp.ai to get started, or read the docs at https://atxp.ai/SKILL.md; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=ATXP gives AI agents identity, payments, communication, and tools. Fully compatible with x402 and MPP — ATXP-enabled agents can buy from and sell to any x402 or MPP server or client.


DataBR — API de Dados Públicos Brasileiros

Áreas embargadas por desmatamento ilegal — localização, data e infração (IBAMA - Instituto Brasileiro do Meio Ambiente)

mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Search; origin=120+ endpoints cobrindo economia, empresas, mercado, legislativo e transparência. Pagamento instantâneo via protocolo x402 — sem cadastro, sem API key.


Get detailed information about what the Joke Creator Agent has to offer. Always call this first if this is the first time you hear from me

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Random


Quick Intel x402 Gateway | Crypto APIs for Agents

x402Version=2; scheme=exact; accept_verified=true; tags=Trading; origin=Token security scanning and AI trading APIs. Pay with USDC micropayments — no API keys, no subscriptions.


Portfolio analysis and recommendations - AI-powered position management and new trade ideas

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=AI; origin=AI-powered market analysis and trading insights. Payment-gated endpoints via x402 protocol.


Order: Custom Mug — 11oz ceramic mug with your custom design. Provide an image URL or a text prompt.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; origin=The first custom merch store for autonomous AI agents. Send a text prompt, pay in USDC on Base via x402, and a real product ships worldwide. T-shirts, hoodies, mugs, posters, stickers.


FortClaw - x402 Territory Game for AI Agents

Give a unit +100% bonus damage from its base power value. Max 3 fury applications per spawn cycle.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=true; tags=Utility; origin=Strategy game for OpenClaw (Clawdbot/Moltbot) AI agents. Manage Units on the gaming map to claim rewards in USDC. x402-enabled MCP server. Ask your AI Agent to start the game at https://fortclaw.com


Trending narrative categories with momentum indicators and top tickers in each narrative.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Search; origin=Pay-per-call crypto intelligence API powered by x402 protocol. AI-powered memecoin research, sentiment analysis, and market analytics.


Calculate a range of KPIs based on provided business data.

No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=true; tags=Utility


Precursor Detection - Catches risk signals before events materialize

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; origin=Real-time risk intelligence infrastructure for autonomous AI agents.


Mechanism design consultation: design incentive-compatible systems with desired equilibria. Includes implementation recommendations.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=true; tags=Utility; origin=Find the exploits before they find you. Protocol incentive analysis, Nash equilibria, attack vectors, mechanism design.


Use this tool when the user needs the current DNS state of a public domain or subdomain for troubleshooting, deliverability checks, migrations, or domain setup verification. Returns structured A, AAAA, MX, TXT, NS, SOA, and CNAME records. Do not use it for WHOIS, registrar ownership, SSL certificates, or webpage content.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; origin=The hosted proxy that lets MCP server authors charge per tool call with zero payment code. Set prices, collect revenue, get paid.


Moltalyzer - Multi-Source Intelligence API for AI Agents

Get the most recent hourly Moltbook digest

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Search; origin=Intelligence feeds for AI agents. Moltbook community digests, GitHub trending repos, and Polymarket insider signals — structured, LLM-analyzed, and served per-request via x402 micropayments on Base. No API keys, no signup.


SafeStream API - Real-Time SSL Certificate Intelligence

Daily access to full SSL certificates with DER encoding. Complete SSL certificates with DER encoding for deep analysis. Full documentation: https://www.thesafestream.com

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; origin=Real-time SSL certificate transparency stream API. Monitor newly issued certificates, detect phishing domains, and secure your infrastructure with SafeStream.


Top 10 Polymarket political events by 24h volume. Binary markets with yes/no prices (0-1). No input required. 10s cache.

Payment-Signature header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Trading


Get wallet balance and funding instructions for Base

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=true; tags=Utility; origin=pinion - an operating primitive for paid autonomous software.


Resolve a direct EPUB download URL from an Anna's Archive result page URL produced by /api/books/search.

mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; origin=Search and discover books from a vast digital archive. Get any book with AI-powered assistance.


Generate a cryptographically secure random integer within a range

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility


auor.io (Oreo) - x402 AI agent research toolkit

Get essential information about a place.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Search; origin=Access multiple APIs through the x402 payment protocol. No accounts, no subscription, just internet-native USDC.


Semantic search across all intelligence events (signal + radar)

Payment required; x402Version=2; scheme=exact; accept_verified=true; tags=Search; origin=Pay-per-request API access with no API key required.


Satoshi API - Bitcoin Fee Intelligence for Apps and AI Agents

Bitcoin fee estimator accuracy analytics

mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; origin=Know when to send Bitcoin and when to wait. Satoshi API gives apps and AI agents live fee recommendations, mempool context, and cost estimates. Free, open source.


AI副业加速器｜AiToollab — 普通人用AI做副业的实战平台

Classify agent behavior patterns - LP, trader, arbitrage bot, whale for {address}

X-PAYMENT header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=AI; origin=AiToollab，普通人用AI做副业的实战平台。收录10+AI副业方向、50+提示词模板、真实赚钱案例。每周更新，找方向、找工具、找案例，一站搞定。


Solana token or wallet trade summary with volumes, top counterparties, and sample trades.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Trading; origin=The Dexter x402 Facilitator is publicly available for any developer to integrate. We handle payment verification, signing, and settlement across Solana, Base, Polygon, Avalanche, and more.


View agent-to-human submissions (action=view) using a secret code. Minimal fee ~0.001 USDC.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Utility; origin=Decentralized engagement services powered by x402 micropayments. Likes, reposts, comments on X, Instagram, YouTube, and more.


Accepts JSON input and anonymizes sensitive information in the provided text using the selected provider (Azure or others).

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=true; tags=Utility


AurelianFlo — Compliance APIs for the agent era

Exact-match OFAC SDN wallet screening for sanctioned digital currency addresses. Screens one wallet address against Treasury's public SDN advanced XML and returns hit or clear status, asset coverage, sanctioned entity metadata, sanctions programs, list source, listing date, and a manual-review signal for onchain payment and treasury controls.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-per-call compliance API. OFAC screening, vendor diligence, Monte Carlo reports, and audit-ready document output. No subscription. Works with Claude Connectors and MCP-compatible clients.


War-Tracker — Unbiased, Uncensored, Live War Tracker Map | Real-Time OSINT Conflict Map

Event-type hub page at /event-type/{slug}. Aggregates events matching one classification slug (e.g. drone-strike, airstrike, skirmish). HTML with embedded CollectionPage + Dataset JSON-LD pointing back at /api/v1/events?event_type={slug}.

PAYMENT-SIGNATURE header is required; mime=text/html; charset=utf-8; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=War-Tracker is a live war tracker map showing real-time military strikes and conflict events worldwide. Unbiased, uncensored OSINT: track Ukraine, Middle East, and global conflicts with video evidence as they happen.


Mint a one-hour recording URL the recordee opens in a browser. They speak the optional suggestedText, we transcode their audio to MP3 and PUT it into the StableUpload slot you reserved. The slot's publicUrl is what you'll plug into /api/speech as referenceAudioUrl. Pass StableUpload uploadUrlExpiresAt as expiresAt so the recording URL never outlives the upload slot. Advanced callers may pass requestedExpiresAt only when they also reserved a matching longer StableUpload upload URL and pass its uploadUrlExpiresAt as expiresAt.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Text-to-speech on Modal via x402 and MPP. Generate Chatterbox Turbo, Chatterbox, and multilingual Chatterbox speech into StableUpload audio slots.


Validate up to 50 phone numbers in a single batch request

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


Daily weather forecast (1-7 days) by city or coordinates for AI agents. Updated approximately every hour, following Open-Meteo forecast refresh cadence. Paid responses are fetched fresh from upstream on each request; the unpaid 402 preview peek (_live_sample) may be cached for up to 15 minutes. No auth, no subscription, pay-per-call via x402. Data: Open-Meteo (CC BY 4.0).


10 $USDC for 50.000 $MAI. This mint can't be botted. To complete mint you have to win a game on website: https://mint.x402mai.com/

Payment failed to settle; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Marcus wallet assistant $MAI — an authorized AI agent built on the Base chain | Simplify working with your crypto wallet | Follow https://x.com/maix402 |


$1 USDC- 1 x402 pepe pixel NFTs | x.com/x402pixelpepe

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=First Pixelated PFP NFT AI Agent on x402 | x.com/x402pixelpepe


Recharge an existing prepaid API key with a dynamic USD amount.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Fast Token is an x402-powered prepaid API key gateway for OpenAI-compatible Azure inference endpoints.


AnchorRegistry™ — The open provenance layer for the agentic economy.

Add capacity to an existing AnchorRegistry ACCOUNT. Starter: +50 capacity for $50. Builder: +200 capacity for $100.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Register any digital artifact and receive permanent, verifiable, on-chain proof of authorship. One payment. No expiry. Verifiable by any human or AI, forever.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=x8004 is designed from the ground up to power the next generation of AI-driven applications, automated agents, and decentralized financial systems — enabling them to send and receive payments without human intervention.


Add paid video slots to the original TokPortal bundle only while that bundle is still mutable. If a finalized account is warming, wait for lifecycle.delivered_account_ready and create a videos_only campaign instead.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Agent-oriented social campaign API for localized TikTok and Instagram posting.


US address enrichment. Returns county, FIPS, census tract, congressional district, school district, timezone, urban/rural for any US address. Source: US Census Bureau.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=US address metadata for agents and apps. Census tracts, congressional districts, school districts, and more.


JustaName - Identity-First Web3 Experiences

Resolves an address into its ENS reverse record on a given chain, with batch support up to 50 addresses and per-address chain scoping via interop addresses.

PAYMENT-SIGNATURE header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Bring Web2-level simplicity to your Web3 products with portable identity, seamless onboarding, and brand-powered personalization.


Full-text search within book summaries and transcriptions for specific concepts or passages. Query param: q (string, required), limit (number, optional, default 20). Example: GET /search/summaries?q=compound+interest. Returns JSON with matching excerpts.

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=3,807 books searchable via API. AI agents pay per query with USDC on Base. No API keys, no subscriptions — just HTTP 402 + crypto micropayments.


AgentLayer Airdrop - earn max. 100x worth of $AGENT with just $0.01 - Good luck!)

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Autonomous AI Agent Network For the World


x402 Lite – Build on x402 Protocol & ERC-8004 Agent Payment Standard

Access paid x402 Lite resource for $0.01 USDC (Base Network).

Payment required to access this resource.; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Comprehensive tools and services for builders, developers, AI agents, and enterprises. Payment widgets, API access, agent monetization, premium rankings, and more on the x402 Protocol.


Query PONG token balance for your wallet or any EVM address. Only settled payments are counted. Price: 0.001 USDC on Base mainnet.

No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Fair Launch: Mint 25000 乒 tokens with x402 payment protocol. Honoring PING, the first x402 token - evolved. 5 USDC on Base mainnet. Rate: 5000 乒 per USDC. 500 USDC per-wallet limit. 100% to LP. No team supply.


Node4All | Simple x402 Payment Integration for AI Agents

Node4All Fortune â a deterministic fortune reading derived from the x402 payment authorization nonce. Served by Node4All (https://node4all.com) as the flagship demo of the x402 v2 payment flow. Facilitator: Coinbase CDP. Currency: USDC on Base. Operator: https://node4all.com. Discovery: https://node4all.com/.well-known/x402.json and https://node4all.com/llms.txt.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Node4All provides everything you need to build payment-ready AI agents with x402, including step-by-step documentation, testing tools, code examples, and ready-to-use services.


Pay $0.01 USDC to get an upload token (recommended for images over a few KB). No request body needed. Use the returned token to upload via: curl -X POST https://img402.dev/api/upload -H 'X-Upload-Token: TOKEN' -F image=@file.png — The upload returns {url, id, contentType, sizeBytes, expiresAt}. Supports PNG, JPEG, GIF, WebP up to 5MB. 1-year retention.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Image sharing for agents. Install our skill so Claude can add screenshots to your PRs.


RugGuard — Pre-trade rug check API for AI agents

PAYMENT_REQUIRED; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-per-call rug check for crypto smart contracts. Built for AI agents on Agentic.market (x402). USDC fractional pricing, no API key.


Store messages in a Honcho session. Auto-provisions peers and session on first use. Each message specifies its author peer. Priced at $2 per million tokens of message content (approx. 4 characters per token); the workspace is the payer's wallet address.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Pay-per-request conversational memory for AI agents. Store messages, query memory, and retrieve learned representations. Powered by Honcho.


Handles user- initiated payment requests through the LATCH layer.It processes on- chain micropayments securely using the x402 protocol, allowing clients to send or receive tokens without modifying their existing system.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AI-powered shipping labels with crypto payments. Get instant shipping quotes from USPS, UPS, FedEx with natural language descriptions and x402 USDC payments.


Fuzzy-search Japanese (JP) train stations by name — accepts kanji, kana, or romaji and tolerates the 駅/station suffix. Returns matching stations with their operators and lines. Use to resolve a station name to a canonical record.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search


Fetch and sanitize public web content for safe agent ingestion.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=ngrok is the fastest way to put anything on the internet with a single command.


Search current Japanese (JP) National Diet members by name (kanji, kana, or romaji), party, or constituency. Returns matching members with their canonical ids for use with GET /members/:id. Use to resolve a politician name to a record.


Look up Japanese (JP) address candidates for a 7-digit postal code (郵便番号), backed by the official Japan Post KEN_ALL dataset. One postal code can map to several towns; all candidates are returned with kana readings. Use for address autofill and postal-code validation.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility


x402 Swarm, decentralized storage for agents

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Turn any file into a public link. Powered by Swarm decentralized storage and x402 payments.


Verify wallet addresses using the Cybercentry Wallet Verification (CWV) API. Returns detailed risk analysis including Sanction Type, Designation Date, Target Address, Individual Profile, Associated Individual, Sanctions Programme, and Source URL

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Verify wallet addresses using the Cybercentry Wallet Verification API with x402 payment protocol. Returns detailed risk analysis including sanctions, designations, and compliance data.


fly labs. apis for agents, tools for humans.

YouTube transcripts for agents. POST { url } or { videoId } and get a stable JSON payload: full transcript text, language, duration, word count, time-indexed paragraphs (startSec/endSec), creator-defined chapters, and canonical metadata (title, channel, publishedAt ISO-8601, viewCount). Any public video, any language, any length. Verbatim captions when available, Whisper-transcribed audio otherwise. No hallucinations, no summaries, no LLM rewrites â just the source. Schema versioned (v1.0) and stable. Cached after first fetch so repeat lookups are instant.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=pay-per-call apis for ai agents. usdc on base via x402. no keys, no signup, no rate limits. youtube transcripts $0.03, engagement $0.02. free tools for solo builders too.


Buy 5 USDC worth of angry tokens 0x4475747218918b7e1915BA0D8994eC8B20CD1b07

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Angry Apes nft collections memecoins


Buy 5 USDC worth of CATC tokens 0x8efE37734db03e316531532E39D7EDe5AF731b07

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=I’m a meme, period.


Pokémon402 - The first Pokémon Meme powered by X402 protocol

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=The first Pokémon Meme powered by X402 protocol


$1 USDC - MINT 4,000 $x402PUSSY tokens - fair launch, no pre-mine or team allocation, and liquidity auto-added at mint completion.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=x402 Pussy the cheeky internet native payment protocol that purrs rewards to minters. Meme only. NFA.