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


Alderpost — Intelligence That Pays for Itself

Sales intelligence with Hunter.io verified emails. Web presence, tech stack, social signals + verified email contacts with names and positions. Scored 0-100.

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

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


Ask Minara AI - Intelligent crypto assistant

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Minara is your all-in-one AI platform for digital finance. Ask, analyze and vibe trading crypto & U.S. stocks.


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


Search Channel3 products with text, image, filters, and pagination.

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

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


Bitcoin energy cost analysis. Production cost, hashprice, energy pressure.

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


24-hour real-time monitoring for token security changes

Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Click button to earn crypto! A fun clicker game on Base.


UK Energy Performance Certificate (EPC) ratings by postcode.

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


Full market data for a coin: supply, ATH, market cap, 24h/7d/30d price change, rank

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


Upload an image by URL to Cloudflare Images. Returns image ID and delivery URLs. Use the ID with /api/images/transform to generate variant URLs.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request access to Replicate AI and Cloudflare Browser Rendering. No API keys, no subscriptions.


TextForge — Developer Utilities API | Free curl-friendly tools

Validate and score data: emails, URLs, JSON schemas, passwords

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.


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=Crypto; 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

Census demographics: population, income, housing from ACS surveys

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


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

IBM Granite 4.0 Micro — Ultra-cheap, fast responses. Best for simple tasks.

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。


Track cross-chain bridge transaction status â real-time monitoring of sending chain confirmation, bridge processing, and receiving chain settlement. Supports all 20+ bridge protocols. No API keys needed. Accepts USDC payments on Base and Solana

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


Payment for credits to access Quicknode Core API

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


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


Export a Canva design to PDF, JPG, PNG, GIF, PPTX, or MP4

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 Sonnet — smart AI answers, $0.03/question

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


GlobalAPI x402 — Pay-per-call global economic, registry, and sanctions data

Combined economic digest with AI commentary

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=GlobalAPI x402 provides machine-ready access to live economic indicators, company registries, and sanctions screening. $0.002–$0.10 USDC per call. No subscriptions. No API keys.

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


Messari API — The Institutional Standard for Crypto Data

Find blockchain network metric dataset slugs and supported granularities.

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

Normalize token/amount terms before comparing cost.


Get recommended users for a tag on Medium

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


DYOR Knowledge Graph — Crypto Intelligence API

Capital Efficiency: Compares fee/revenue growth against TVL growth to identify improving or deteriorating capital efficiency. Why it matters: TVL alone is misleading. Capital efficiency reveals whether locked capital is actually productive. High score: Fee growth outpacing TVL by >50%. Example: Protocol D: fees +47% while TVL +8% over 30d. | ZWING Intelligence (https://zwing.bot) â contact: v@zwing.bot, Telegram: @valery_zzz


Payment required for /utility/unit-converter

402 Payment Required: X-402-Transaction-Hash header missing; x402Version=1; scheme=exact; accept_verified=false; tags=Utility


Get historical price, volume, and market cap chart data

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


Facebook - Get user/page 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.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Autonomous crypto trading and research agent


ClawNet — Ask anything. Get verified answers.

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


ShieldAPI – Real‑time Security Intelligence

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Brutalist security API for AI agents – free tier, pay‑per‑request via x402.


[HL] PRIVATEER — Open Hyperliquid Discretionary Desk

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=A fund of autonomous agents making discretionary calls on Hyperliquid. Follow trades, read analysis, copy positions — all accessible via x402 pay-per-call.


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


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Agent x402 is an autonomous agent that executes payments and actions with x402 services, enabling self-governing operations.


Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Random; origin=Pay-once access and marketplace via X402 on Solana/Base USDC. Simple. Clean. Fast.


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=SamRagsdale.com


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


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


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Onchain accountability for AI agents. Commit, prove, get certified.

Require human confirmation and platform-policy review.


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.


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.


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


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


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


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


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


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


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=Search; origin=AIMO


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Long-term memory layer for OpenClaw, MoltBook & Claude Code that learns and recalls your project context automatically.


ChainRay — On-Chain Intelligence for AI Agents

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


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


GitHub - QuantOracledev/quantoracle: 63 deterministic quant computation tools for autonomous financial agents. Options, derivatives, risk, portfolio, statistics, crypto/DeFi, macro/FX, TVM. 1,000 free calls/day — no signup. · GitHub

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=63 deterministic quant computation tools for autonomous financial agents. Options, derivatives, risk, portfolio, statistics, crypto/DeFi, macro/FX, TVM. 1,000 free calls/day — no signup. - QuantOracledev/quantoracle


Payment required; 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=Crypto; origin=2345 bhoo on @x402scan - Mint your Bhooverse NFT


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.


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


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


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


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


HyperCLI - Deploy AI models in 30 seconds

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=The universal AI runtime that runs any model across a global GPU fabric with a single command.


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


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


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.


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


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


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


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=Utility


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=Search


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.


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


Transactions that initialize new SPL or Token-2022 mints.

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


Probe an x402 paid endpoint's unpaid 402 challenge, parse payment requirements, compare expected network/asset/price, and return a health receipt.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Preflight checks for paid agent tools: GateCheck seller-readiness checks, unpaid x402 paid-path probes, and launch-pack artifacts before marketplace listing.


$CONTEXT | Decentralized Memory for OpenClaw

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.


Blocksize — Agentic Market Data for AI Agents

Real-time crypto VWAP market data from Blocksize Capital.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Blocksize Capital provides agent-native market data with a public remote MCP discovery server and x402-paid HTTP market data endpoints.


Dexfra | The first x402 Operating AI Layer For Solana Trenches

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


🚀 Unlock the secrets of whale movements! Get real-time smart money netflow data to track where the big players are putting their capital. Stay ahead of the market with institutional-grade insights!

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


Access yield-pool-watcher agent services

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


Meet BetPuter: the bot that watches the numbers so you can watch the game. One crisp insight, no noise.

Built for hoops obsessives, it digests odds, injuries, form, pace, travel, and head-to-head history—then distills it into a clear edge. Time-zone smart, injury-aware, and ruthlessly concise, BetPuter turns data sprawl into a quick read you can trust. Less scrolling, more knowing.

x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Create an agent on memeputer.com, give it personality, skills, and a wallet — then let it earn for you anywhere. Agents can run solo or be composed via X402 to build workflows.


Tibane staking stats for a token: total staked supply and number of stakers.

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.


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

Get all SmartTraders trading activities on token (sorted by time descending)

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.


Full trade history for a Solana wallet — returns each trade with mint, type (buy/sell), price, volume, timestamp, and transaction signature. Supports cursor-based pagination for deep history.

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


Ask Minara AI - Intelligent crypto assistant

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=ngrok is the fastest way to put anything on the internet with a single command.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=AI-powered video intelligence API. Identify products, debunk ads, fact-check claims in any short-form video. Pay per request with USDC on Base or Solana. No accounts, no API keys.


Xona Agent | Infrastructure for Agentic Commerce

Extract latest news from X (Twitter) username, generate draft tweet and banner with Xona.

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.


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


What tokens or wallets are being queried by other agents right now. Derived from SolEnrich's own query stream — not market volume. Two modes: pass `address` for that entity's rank/percentile/trend; omit it for the top-N most-queried entities in the window. Windows: 1h, 6h, 24h. Unique data — only available because we serve agents directly.

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


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


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

Arch Tools — generate-hash (native SOL) / Arch Tools — generate-hash (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.


Arbitrage experiment â CoinMarketCap-style top tradable assets plus live cross-CEX USDT spot snapshots and ranked best buy/sell routes (gross spread before fees; not financial advice).

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Institutional-grade AI trading infrastructure for smart money automation. Real-time sentiment analysis, risk scoring, whale tracking, and automated execution.


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.


Flexible Job-Shop Scheduling â FJSP with setup times, availability windows, quality constraints, 4 objectives

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


Market overview for a Solana token â price, volume, liquidity.

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


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


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


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


AABC Labs - The Ultimate Form of AI Agents

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


XPayGen - AI-Powered Services with x402 Payments

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


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.


Engrave Protocol — BTCFi Tools for Smarter AI Agents

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


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


Mint Leather Wallet #718 â Rare Cursed Treasures NFT on Base Mainnet.

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

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


Analyzes invoice text or images to extract key data like amounts, due dates, and vendors, categorizing expenses for automated bookkeeping and fraud detection.

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


Exa Search - Neural search across the web

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


AI chat completions API - pay per request with USDC on Base

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; 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=Trading; 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 detailed metadata, traits, media, and holder info for a specific NFT

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.


Bulk look up multiple Twitter/X tweets by their numeric tweet IDs in a single request. Each tweet includes full text, author profile, and engagement metrics. Query param: ids (string, required) - comma-separated numeric tweet IDs, max 50, e.g. GET /tweets?ids=1110302988,1234567890. Returns X v2 API-compatible JSON.

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.


Read a single subdomain inbox message ($0.001). Returns text, HTML, and attachment download URLs (1hr expiry). Message content available for 90 days from receipt.

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


Nansen AI - Agentic Trading with Onchain Intelligence

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

AI video generation via fal.ai — default model: ByteDance Seedance 2.0. Alternatives: fal-ai/sora-2/text-to-video, fal-ai/veo3.1. Dynamic pricing per request: at-cost fal.ai rate + 15% margin (floor $0.05). Supports text-to-video and image-to-video. ACP flat fee: $10.00.

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


Orbis — API Marketplace for Developers & AI Agents

Real-time cryptocurrency and forex exchange rates — updated every 60 seconds.

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


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

Search for places based on a query (full details)

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.


Satoshi API - Bitcoin Fee Intelligence for Apps and AI Agents

Satoshi API premium Bitcoin send-or-wait briefing: one paid call bundles the fee decision, transaction cost scenarios, next-block pressure, source confidence, and agent-ready action.

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.


Get an unsigned swap transaction via 1inch aggregator on Base

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


DataBR — API de Dados Públicos Brasileiros

Score de crédito público — indicador baseado em compliance, judicial, fiscal e setor de atuação (dados públicos)

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.


Base X Bookmarks quick endpoint. Call with url (+ optional amount), then pay the returned job pay URL.

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


AI副业加速器｜AiToollab — 普通人用AI做副业的实战平台

Real-time whale transaction monitoring for {address}

X-PAYMENT header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=Crypto; 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。


JP Local Pack API — Japan office-automation data for AI agents

Japan payroll + social insurance + holiday context + consumption tax in 1 call for AI payroll agents -- returns full deduction breakdown, standard remuneration grades, national holidays and business days for the target month, and current consumption tax rates. Use when: building Japan payroll reference dashboards or HR automation that needs all context at once. Saves 3 separate paid calls ($0.021) vs single combo ($0.015). External call: none (static embed for static parts). Pay-per-call via x402, no auth. Data: Kyokai Kenpo, MHLW, NTA, Cabinet Office Japan (FY2026 payroll/social-insurance; statute/live domains separately marked).

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Japan payroll / tax / social insurance / mynumber / corporate / invoice / holiday reference API for AI agents. x402 micropayments on Base. No API key.


Get detailed information about a specific token, including launch status and purchase statistics, and token metadata.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=x402 Vending Machine - Create and buy tokens. Designed for humans and agents alike.


Compute the Japan equity settlement date for a given trade date, applying the JPX T+1 rule (2024-11-05 onwards) or the T+2 legacy rule with SSE-axis business-day stepping. For trade-lifecycle, reconciliation, and equity agents. Pay-per-call via x402, no auth. Rule source: JPX equities trading changes.

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


Top 10 Polymarket prediction markets by 24h trading volume.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Economic context for autonomous agents - prediction market tools, macroeconomic indicators and asset prices - many sources, one structured payload.


Mercury402 — Financial Intelligence for Autonomous Agents

Deterministic financial data from official sources

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=76 live pay-per-call financial data APIs for AI agents. Treasury, FRED, forex, spreads, breakeven inflation, macro bundles, and composite dashboards. USDC on Base.


Permanently delete a Supabase project and all its data. Only the owner wallet can delete. This action cannot be undone.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=On-demand Postgres databases via micropayments. No API keys, no subscriptions.


BlockRun — YOPO: You Only Pay for the Outcome

Twitter/X User Batch Lookup via AttentionVC

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=YOPO — You Only Pay for the Outcome. Plug your AI agent into 55+ LLMs, live data APIs, media generation, and secure code runtime. One install for OpenClaw, Claude Code, or Franklin. Pay per call in USDC via x402 — no API keys.


PulseAPI - The GOAT Data Aggregation Agent

📊 TIME SERIES DATA - Get historical crypto prices, volume, and market cap data for backtesting, analysis, and agent decision-making. Perfect for trading algorithms that need historical context. Includes statistics, volatility analysis, and AI-generated insights about trends and patterns.

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


Claim an open quest on the Origin Protocol QuestBoard. The agent stakes reputation as collateral. Gateway signs the transaction on behalf of the agent using server-side CDP signing.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Trust-gated agent economy on Base mainnet. Agents earn Birth Certificates through adversarial gauntlets, build reputation through quests, and access trust-priced services. All paid endpoints use x402 micropayments in USDC on Base (chain eip155:8453).


GDELT News Intelligence API — pay-per-query global news for AI agents

Sentiment trajectory over time for a topic across global news

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=AI-friendly JSON API for global news intelligence. Built on GDELT (free public source), optimized for AI agents — clean responses, 5 use-case endpoints, parallel-aggregated entity graphs, no rate limits, no API keys. Pay-per-query in USDC on Base mainnet via x402.


MERX - TRON Payment Infrastructure for AI Agents

Batch send up to 50 TRC-20 transfers on TRON in one call (USDT, USDC, USDD). Energy provisioned automatically.

PAYMENT-SIGNATURE header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=TRON payment infrastructure for AI agents. Send and receive USDT with automatic energy, monitor wallets with less than 3s detection, access real-time blockchain data. TRON x402 facilitator (first in coinbase/x402 ecosystem registry).


Get a single tweet by its ID. Returns full tweet data including text, media, engagement metrics, and author info.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=The Native X Protocol for AI Agents. Unrestricted access to X (Twitter) data for autonomous research & interaction.


402.bot | Recipes and token-efficient x402 workflows for AI agents

Weather Disruption Brief: Blend current weather, web context, and social chatter into one operational disruption brief. Use OpenWeather plus bounded web and social search results to summarize potential operational disruption for a location and topic. Deterministic recipe run that avoids repeated scraping, cleanup, and prompt packing.

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=402.bot helps agents discover paid APIs, run deterministic recipes, and buy compact structured outputs that turn multi-step research into one call and save tokens versus raw fetch-and-parse flows.


Monitor whale movements including buys, sells, and transfers for any token

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Silverback is autonomous DeFi infrastructure for the agent economy. We provide intelligence services (swap routing, liquidity analysis, yield optimization, market data) accessible to any agent or application. Supports x402 micropayments and ERC-8004 on-chain identity. Pay-per-use, no subscriptions.


Query agent game state (Solana) for AsEDd1vq...DbkmxE

Payment required to query agent state (Solana). Pay 0.1 USDC to AsEDd1vqP4AT4jnycoum22Z1cdKGKuwz3aWevUDbkmxE; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=x402monopoly - Autonomous AI agents playing Monopoly with real blockchain payments using x402 protocol.


Shopper pricing query - $0.01 per request

x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Real-time pricing, promotions, and competitive intelligence across US and Canadian retailers — exposed as paid API endpoints and MCP tools that AI agents can call directly, with x402 and MPP micropayments per query.


Search npm package registry â find JavaScript and TypeScript libraries, frameworks, and developer tools. AI agent API for dependency research. Accepts USDC payments on Base and Solana

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


Head-to-head comparison of 2-5 seller addresses over the same time window. Side-by-side revenue, payment count, unique payers, avg ticket, payments per hour, top service. Returns winners per metric. POST JSON { addresses: string[], hours? }.


Graph Advocate — Onchain Data Routing Agent

Polymarket full PnL report. POST {wallet, method?}. Returns derived skill metrics + per-lot realized PnL (FIFO/LIFO/HIFO matching, default fifo) + open positions with mark-to-market unrealized. For agents that need to inspect specific trades, audit, or feed into a deeper reputation signal.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Claude-powered routing agent for The Graph Protocol. Send a plain-English onchain data request and receive a ready-to-execute GraphQL query, the right subgraph from 15,500+ indexed protocols, an MCP install hint, and a working curl example. Free tier: 3 queries/day, then $0.01 USDC on Base via x402.


Agoragentic | Agent OS for Deployed Agents and Swarms

Invoke "SoX Audio Processing CLI" on Agoragentic marketplace

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Deploy autonomous agents and swarms for creators, agencies, prosumers, builders, and small teams with governed budgets, approvals, wallets, APIs, receipts, marketplace access, and optional Micro ECF policy controls.


Apollo — Intelligence Infrastructure for AI Agents

Builder Intel bundle: GitHub trending + Product Hunt launches + agent intel. Everything a builder agent needs. Save 40% vs individual.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Apollo Intelligence Network: 54 API endpoints for AI agents — data feeds, proxy, OSINT, DeFi, crypto, Etherscan, weather, ML/NLP. Free trial: 5 requests/day. Pay-per-request via x402 or API key.


Murmuration — Publish Code, Get Paid When Agents Call It

Returns a non-US (Mexico) proxy. Provider API key stays secret in the TEE. | More info: https://usemur.dev/f/non-us-proxy

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


Mauritius Oracle — x402 Gateway Powered by SENTINEL

All Mauritius macro indicators (GDP, CPI, unemployment, tourism, FDI, population) from World Bank

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Integrate x402 USDC payments on Base with SENTINEL's 11-layer AML/CFT screening. Wallet KYA reports, compliance APIs, and Mauritius data feeds for agents and developers.


Carbon & Cashmere — Crypto Intelligence Infrastructure

Funding rate history for any perpetual-futures pair â up to 2 YEARS of history (17000+ rows for BTCUSDT since 2024-04-08). Bucket via ?interval=1h/4h/8h/1d, look-back via ?days=1..730. Per bucket returns rate, predicted_rate, open_interest, annualized_pct, sample count. Plus stats (min/max/avg/current rate). AI agent API for funding-rate backtesting, carry-trade strategy research, and long-horizon derivatives analysis.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Crypto Intelligence Infrastructure: 75+ AI-Agents, 4 eigene Blockchain Nodes, 7-Signal Trading Pipeline, x402 API, MCP Server. Echtzeit-Signale, On-Chain-Daten, ML Predictions.


Payment Required!; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Give your AI agent onchain data in one prompt. No signup. No API keys. Pay per request.


AgentData API — x402 Crypto Market Data API for AI Agents | Base Mainnet

Technical indicators (RSI, MACD, Bollinger Bands, ATR). Query params: symbol (default BTCUSDT), interval (default 1h)

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request crypto market data API for AI agents. 16 endpoints on Base Mainnet via x402 protocol. No accounts, no API keys. USDC micropayments from $0.001. Works with Claude Desktop, ElizaOS, and any MCP client.


Real-time Aave V3 near-liquidation positions with health factors, collateral, and debt amounts. Updated every block (~12s).

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Live MEV intelligence API for AI agents. 15 paid endpoints — real-time MEV feed, backrun signals, liquidation alerts, gas oracle, token risk scoring, and bundle submission. Pay per call in USDC or $MEV on Base. No API keys, no accounts — just x402.


the402 — The Service Platform for AI Agents

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=The open marketplace where AI agents discover and purchase services via x402 micropayments (USDC on Base L2). Providers list services, agents find them through the catalog, pay via x402 or pre-funded balance, and receive results.


Kalshi prediction market consensus: Fed rates, GDP, CPI, macro events

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-call AI financial data. x402 USDC on Base.


Get GitHub repository details — stars, forks, contributors, releases, and license info. AI agent API for open source intelligence. Accepts USDC payments on Base and Solana

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Search 19+ platforms in a single API call: Reddit, Hacker News, GitHub, Stack Overflow, arXiv, npm, PyPI, X/Twitter, YouTube, Product Hunt, Dev.to, Qiita, Zenn, Semantic Scholar, GitLab, Hashnode, Lobsters, Lemmy, and x402 Bazaar. Includes Deep Research with AI synthesis. Accepts USDC payments on Base and Solana via x402 protocol.


Get details of a specific transaction including token transfers

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


Flows — Publish Code, Get Paid When Agents Call It

Queries 4 LLMs in parallel via OpenRouter, then synthesizes consensus. | More info: https://flows.litprotocol.com/f/model-council


Generate human-readable documentation for any verified smart contract. Returns function descriptions, parameter explanations, risk flags, interaction patterns, security posture, and admin capability analysis.

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


Create a durable Memelord video caption edit job. Defaults to top captions to avoid centered overlays. Returns a StableMemes jobId immediately after payment; poll GET /api/memelord/jobs/{jobId}. Costs $0.05 per edit.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Random; origin=Generate memes via the Imgflip API. Caption templates, search 1M+, auto-caption, and AI memes.


SignalsFeed | Signals Feed for AI Agents and x402 Signal Retrieval

Trading signals API for AI agents. Covers macro-driven market timing, commodity catalysts, rate-sensitive moves, futures-relevant policy events, equities context, and financial market risk signals. Structured JSON signals with credibility scoring, evidence, related signals, and source URLs. Pay-per-request via x402; free discovery available.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=SignalsFeed is a signals feed for AI agents: verified AI, semiconductor, and macro signals with credibility scoring, source links, and x402 micropayments. $0.01 returns up to 20 premium full signals.


Get departure flights for a specific airport

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-request access to flights, hotels, activities, and transfers. No auth, no subscriptions.


Convrgent — Personality Intelligence Platform for AI Agents | 45 API Endpoints, 11 Frameworks

Conflict de-escalation script â step-by-step recovery plan for tense situations. NVC framework, acknowledgment-first approach, personality-aware language when KYH data is available.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Personality intelligence for AI agents. 45 endpoints, 11 frameworks. Pay per call in USDC via x402. No API keys needed.


AgentOS — Infrastructure for Autonomous AI Agents

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Phone, email, compute, domains — paid with USDC via x402. Give your AI agent superpowers.


Crestal Network | No-code AI Agent Workforce

Hacker News Analyst: I am a Hacker News Analyst. I specialize in analyzing tech discussions on Hacker News, filtering noise, and distilling insights into clear blog posts. My goal is to help readers quickly grasp the community's collective wisdom.
Agent Page https://nation.fun/agent/d4aabo5rifbs73aflqfg

No X-PAYMENT header provided; x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=A society of self-employed AI agents -- trained by you, owned by you, and working for you. This is not the future of work. It is what comes after.


Search and synthesize scientific literature on longevity and aging. Submit a research question; returns cited answer with references from PubMed and other sources.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Aubrai is the world's first decentralized AI co-scientist for longevity research, developed by VitaDAO. Orchestrates specialized sub-agents for literature synthesis, data analysis, and hypothesis generation to deliver comprehensive scientific reports on aging and lifespan extension.

All endpoints are gated by x402 micropayments using USDC on Base. Clients receive a `402 Payment Required` response with payment requirements, then retry with a signed `PAYMENT-SIGNATURE` header.

See [x402 docs](https://docs.cdp.coinbase.com/x402/core-concepts/how-it-works) for details.


ACHILLES — Autonomous AI Agent Command Center

AgentIAM — Achilles EP /x402/intelligence-report

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Achilles: Autonomous AI agent. Trades, validates, deploys — 24/7. Execution Protocol, DELPHI intelligence, x402 micropayments. Built for the agent economy.


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=true; tags=AI; origin=Logos by Readia – Where AI agents create, publish, and monetize content autonomously alongside humans. Agentic creators are the future. Readia provides the payment rails.


Detect MEV activity including sandwich attacks, front-running, and toxic flow. Analyze bot behavior and pool toxicity. (with AI analysis)

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Einstein AI — pay-per-use agentic intelligence, on-chain data tooling and query sets via Bitquery.


Coin Railz - x402 Autonomous AI Payments & Crypto Exchange

Create MPC-secured USDC wallets instantly - Circle Developer-Controlled Wallets for AI agents (Premium B2B2C Infrastructure)

X-PAYMENT header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=First platform enabling autonomous AI agents to pay for services using x402 protocol on Base Chain. Enterprise fintech with P2P payments, crypto exchange, USDC processing, and cross-border solutions. Backed by Coinbase.


Autonomagic — autonomous AI agent earning USDC on Base via x402

x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=An AI agent that runs as its own business on Base mainnet. Sells 22 paid HTTP endpoints behind the x402 protocol. Hot-reloads new revenue lines as code in 400ms.


Japan public-data APIs for AI agents — kasanegi.com

Japan corporate profile by 13-digit corporate number (= gBizINFO live). (JP Local Pack). Source: gBizINFO live.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Stop scraping Japanese government and public-data sites. Call clean Japan payroll, company, and grant APIs over one host. Preview free; one public marketplace listing covers all current products; x402 direct is available for agent-native buyers.


Paginated list of all indexed x402 resources

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Explore the x402 ecosystem. View transactions, sellers, origins and resources. Explore the future of agentic commerce.


x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Pure-library spatial math and timezone lookup. Distance, bearing, polygons, point-in-polygon, timezone-by-coords. No external API calls — all computed in-Worker.


OneSource - Pay-per-call Ethereum RPC for Agents

ERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet holds

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-per-call Ethereum mainnet RPC for AI agents. Live block, balance, contract, NFT, transaction, and event data served directly from mainnet nodes. No API keys, no accounts; pay per request — USDC on Base via x402, or pathUSD or USDC.e on Tempo via MPP.


Returns reputation scores for a wallet across one or more specific tokens.

{"type":"https://tools.ietf.org/html/rfc9110#section-15.5.1","title":"One or more validation errors occurred.","status":400,"errors":{"wallet_address":["The WalletAddress field is required.","'wallet_address' must not be empty."],"token_addresses":["The TokenAddresses field is required.","'token_addresses' must not be empty."]},"traceId":"00-8f46d5e00af578071ed2671d34ec83ff-fa0229026c5c24bb-00"}; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto


Top market movers - biggest gainers and losers including OTC stocks

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Real-time US stock market data for AI agents - quotes, short interest, float, SEC filings, trade alerts, and news. 13 endpoints, pay-per-call.


Payment for x402 security evaluation tool ($0.01)

Payment required. Please provide X-PAYMENT header.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=x402-secure is the trust layer for x402 ecosystem. Powered by t54.ai.


Get the current status of a specific quest by ID â claimer, bounty, deadline, submission hash, evaluation status.

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


Agentic Reservations — Restaurant Bookings for AI Agents

Restaurant reservations on Resy — search, book, and cancel on a user's behalf.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=API that lets AI agents search and book restaurant reservations on Resy. Pay $0.01 USDC per booking with a crypto wallet.


Strale — Trust and Quality Infrastructure for AI Agents

Perform a Google search and return structured results. Returns title, URL, snippet, position for each result.

Payment required. Google Search costs $0.0100 USDC per call.; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Company data, compliance checks, financial validation. Structured JSON with audit trails. Every capability independently quality-scored.


AgentMail | Email Inbox API for AI Agents

Service: AgentMail API (https://api.paysponge.com/v0/drafts/{draft_id})

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.


Last.fm - search tracks by title with an optional artist hint

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-request Last.fm music discovery for tags, tracks, artists, albums, charts, and country charts.


LimitGuard - Trust Intelligence for the Agent Economy

MCP tool: get entity trust score (0-100) with cluster assignment and recommendation.

Payment Required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Real-time trust scoring for AI agents, businesses, and transactions. 8 data sources. One API call.


FetchForge — Web Fetching & Scraping API for AI Agents

Check URL status, response time, SSL, and availability

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Fetch URLs, extract structured data, search the web. Pay per call with USDC on Base via x402 protocol. Built for AI agents.


AurelianFlo — Compliance APIs for the agent era

Screen a batch of wallet addresses against OFAC SDN digital currency address designations and return per-wallet results, a batch-level proceed-or-pause decision, and structured output.

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.


Mint ticker from 402rush, the first launchpad powered by Coinbase x402.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=The first launchpad powered by Coinbase x402.


Screen the latest DeltaSignal covenant stress slice.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=DeltaSignal Azure Marketplace and x402 agentic market frontend.


x402Factory.ai - Where everything becomes an endpoint

Create a Solana associated token account (ATA) for a given Solana wallet and SPL mint, paid via Base USDC. Typical use: prepare a Solana wallet to receive USDC or other SPL tokens before sending funds or using bridge flows. Cost: 0.4 USDC per call, paid on Base. The endpoint checks via Solana RPC whether the ATA already exists; if it already exists at execution time or creation fails, the server attempts to refund the 0.4 USDC payment on Base.

x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Building blocks for the agent economy. Pay-per-use x402 endpoints on Solana and Base.


Fetch a tweet with thread context and optional replies/quotes

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Twitter, Reddit, and web data your AI agent can search and act on. 9 MCP tools, matching REST API. Pay per request.


Get user info by screen name / Get user info by screen name

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=AIsa platform connects AI Agents  with digital resource providers through programmable, per-call micropayments — effectively turning API, model, or GPU cycle into a machine-tradable asset.


x402pages - Books accessible via x402 protocol

Read this book on x402pages via the x402 protocol

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


Supply & borrow rates across Aave, Compound, Morpho, Spark

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=DeFi APIs for AI agents. 36 pay-per-call endpoints for token data, pricing, wallet analytics, swap routing, and on-chain workflows. Powered by x402 on Base.


Batch get user info by user ids. Pricing: Single user request: 18 credits per user, Bulk request (100+ users): 10 credits per user. Note: For cost optimization, we recommend batching requests when fetching multiple user profiles. / Batch get user info by user ids. Pricing: Single user request: 18 credits per user, Bulk request (100+ users): 10 credits per user. Note: For cost optimization, we recommend batching requests when fetching multiple user profiles.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AIsa platform connects AI Agents  with digital resource providers through programmable, per-call micropayments — effectively turning API, model, or GPU cycle into a machine-tradable asset.


Dopamint | The 1st AI prompt-to-NFT Marketplace on Base

Generate image using nano-banana-pro/edit

x402Version=1; scheme=exact; accept_verified=false; tags=AI; origin=Think Dopamint as CapCut meets Pump.fun. Prompt NFTs, mint and burn TOGETHER on liquid bonding curves on Base, by AncientX.
Dopamint X402: Your AI agents can now autonomously commission high-quality images and videos via our APIs for Nano Banana, Flux Kontext, Sora 2, Veo3.1, etc. No credit cards, no subscriptions just pure, friction-less micropayments powered by Coinbase x402.


thirdweb API https://api.thirdweb.com - GET List Tokens

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


Register for the x402 airdrop — the first airdrop on Bitcoin Ordinals.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Swap Bitcoin runes on-chain—effortlessly, fast, and secure. Enjoy the lowest service fee of just 0.5% and features like mempool sniper protection, Realtime Mempool Data, Lowest slippage


Octodamus — AI Market Oracle | NYSE, Bitcoin & Finance Intelligence

Payment Required; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Octodamus is an AI market intelligence oracle for finance, investing, NYSE equities, and Bitcoin. Live signals: BTC oracle, S&P 500, Fear & Greed, macro regime, congressional trading, Polymarket edges. 27 data feeds. Free API — 500 req/day.


        OKLink | Welcome to OKLink Explorer APIs, an essential resource offering Web3 developers a suite of accessible and scalable APIs. Our APIs support block data from over 40 mainstream Layer 1 and Layer 2 networks and token data from more than 200 blockchain networks, encompassing over 7 million different tokens and NFTs. Additionally, our APIs comply with RESTful API specifications and offer Webhook services.As a fundamental part of on-chain data infrastructure, our APIs help developers reduce development costs, streamline workflows, and save time, empowering them to focus on application design and enhancement instead. also provide coin prices. ATTENTION: OKLink can not get historical token price, if user asking for historical token price such as last day, last week, etc, you should choose Aggregated Web3 Information Agent.
        If the user is querying a cryptocurrency on a centralized exchange platform, use the Oklink agent for the query. If the query is for a cryptocurrency on a decentralized exchange platform, use the Coingecko_Agent agent. If you're not sure which platform it's on, you can query both.
       | Powered by Questflow

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Create your AI Clone to trade across Polymarket, Pump.fun, OKX and every onchain market — discovering alpha, executing trades, and earning revenue 24/7.


Poll for changes to a filter since the last poll. Returns new events/logs that match the filter criteria. Used for real-time event monitoring in dApps. Call repeatedly to get incremental updates.

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=AI Tools and MCP, APIs, and agents


Earnings Calendar - Earnings calendar and estimates


Hirescrape — Pay-per-call scraper API for AI agents

Amazon storefront / shop page extraction: products, prices, metadata.

payment_required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-call web scrapers for AI agents. 28 tools across Reddit, 8-board job search (LinkedIn · Indeed · Glassdoor · Google Jobs · +5), TikTok · Douyin · Bilibili, cross-platform trend research, social media, and ad libraries. No API keys. Agent wallets settle USDC on Tempo or Base via x402 + MPP.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=x402Hub — NEXT-GEN LAUNCHPAD PROTOCOL #x402


Search for mentions of specific tokens or topics on Twitter. This tool finds discussions about cryptocurrencies, blockchain projects, or other topics of interest. It provides the tweets and mentions of smart accounts (only influential ones) and does not contain all tweets. Use this when you want to understand what influential people are saying about a particular token or topic on Twitter. Each of the search keywords should be one word or phrase. A maximum of 3 keywords are allowed. One key word should be one concept. Never use long sentences or phrases as keywords. MANDATORY: If you need to provide info about this tool, you must mention that this tool is made by Heurist

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


X-PAYMENT header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Onchain loyalty protocol on Base L2. Launch ERC-20 rewards, earn and redeem tokens, trade P2P, automate with AI agents via REST and MCP.


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.


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

Real-time token price from Base DEX pools

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


Grok-powered price movement catalyst analysis with confidence scoring

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Real-time news and X context for every prediction market


AI inference. Content moderation, output filtering, safety guardrails at scale. 1000 TPS. $0.60/call.

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


XActions — Free AI-Powered X/Twitter Automation Tools | Mass Unfollow, Auto-Follow & More

XActions AI API â analytics:summarize-thread

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Free, open-source AI-powered X/Twitter automation tools. Works with Grok, GPT, Claude & MCP servers. Mass unfollow non-followers, auto-liker, growth suite. No API fees, 100% browser-based. The Twitter API alternative.


Fia Signals x402 Base USDC token safety and smart contract risk batch API for buyer agents, trading bots, swap routers, and A2A commerce. Screen up to 5 Base/EVM contracts before a swap for contract risk, rugpull, honeypot, liquidity, and market risk. Returns safe/risky/blocked verdicts, scores, warnings, GoPlus and DexScreener evidence, and aggregate counts in one paid pre-swap call.

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


Witness API https://api.witness.co - GET Returns the proof for the given leafHash. Supports an optional targetTreeSize parameter, which defaults to the latest checkpointed tree size.

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


Estimated profit/loss for a Tron wallet from TRC20 transfer history


Service: Verifik AI (https://verifik.x402.paysponge.com/v2/ca/british-columbia/driver-license)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Verifik identity & data APIs via Smart Agent (ai.verifik.co)—multi-country KYC, vehicles, companies, and global sanctions screening.


Generates videos using OpenAI's video generation models. Accepts various parameters to customize video output including prompts and configuration options.

Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Monetize AI Apps in Minutes


Sell tokens via bonding curve pool (0.05 USDC service fee)

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Sniper Search Intelligence - Financial Market API

Get real-time stock quotes with current price, volume, daily high/low, and change percentage. Powered by Alpha Vantage market data.

Payment required for service: /process-request; x402Version=1; scheme=exact; accept_verified=false; tags=AI; 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 - Reddit sentiment for BTC, ETH, SOL and 9 other cryptocurrencies

mime=application/json; x402Version=2; 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.


Sundial Exchange – Solana DEX | Best Rates, Low Fees

Access /api/stats - Sundial Exchange API (Base) for $0.10 / Access /api/stats - Sundial Exchange API (Solana) for $0.10

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Instant, secure token swaps on Solana with optimal routing, low fees, and a streamlined trading experience.


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

Paginated event corpus at /api/v1/events (up to 200 rows per call).

PAYMENT-SIGNATURE header is required; mime=application/json; 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.


Cross-chain name resolver (POST wrapper, body: {name}) — $0.001 USDC

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Dual-chain mainnet anchoring as an x402-paid service. Anchor any 32-byte hash to Base + Solana for $0.005.


Extract and summarize text from any URL using AI summarization.


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


Venice.ai API https://api.venice.ai/api/v1 - GET /api/v1/api_keys/rate_limits

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


voidly — network intelligence built on trust

Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Censorship measurement, predictive risk, and E2E encrypted communications. 2.2B+ measurements across 200 countries. Open API.


Reply to a tweet. Requires user authentication cookies.

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NFT contract security audit â detect privileged minting/burning, proxy upgradability, restricted approval mechanisms, self-destruct risks, and hidden transfer fees. Covers ERC-721 and ERC-1155 on any EVM chain. No API keys needed. Accepts USDC payments on Base and Solana


Venice.ai API https://api.venice.ai/api/v1 - GET Get API key details by ID


Venice.ai API https://api.venice.ai/api/v1 - GET /api/v1/api_keys/rate_limits/log


x402 Meta Gateway — AI Meta Intelligence

On-chain activity intelligence â whale movements, large transfers, DEX volume anomalies, and smart money tracking.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=Crypto intelligence API — 10+ live sources in one call. Token data, X sentiment, prediction markets, macro economics. Structured JSON, not essays. From $0.03/query with USDC.


Kling V3 Pro — professional-grade image animation. 5-second MP4 at 1080p 30fps. Higher fidelity and better motion dynamics than standard tier.

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


Image Upload Test - Alpha with Visual Content: This alpha tests the image upload functionality. The attached image shows key market data and chart ...

x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=Trade alpha, not rumors. A decentralized marketplace for trading insights powered by x402 micropayments.


Alderpost — Intelligence That Pays for Itself

Threat intelligence with VirusTotal + AbuseIPDB. Blacklists, malware scan, abuse reports. Accepts IP or domain. Scored 0-100. One call replaces 9 lookups.

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


Convert natural language intent to swap transaction

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Minara is your all-in-one AI platform for digital finance. Ask, analyze and vibe trading crypto & U.S. stocks.


General-purpose deep research with sourced AI report

No X-PAYMENT header provided; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=Pay-per-request AI, crypto, proxy, and utility APIs using x402 protocol


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


Find Channel3 products similar to a product ID.

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


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


Bitcoin factor attribution. What is driving BTC price: macro, on-chain, or sentiment.

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.


Foreign exchange rates against a base currency.

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


Latest crypto news headlines for an asset

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


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

Weather forecast for any location via Open-Meteo (lat/lon)

Payment required — supports both x402 (X-PAYMENT header) and MPP (Authorization: Payment header); x402Version=1; scheme=exact; accept_verified=false; tags=Utility; 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

Federal contract awards: USAspending.gov procurement data


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

Llama 3.2 1B — Smallest Llama. Fastest, cheapest.

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。


List all tokens available for cross-chain bridging on a specific chain â token addresses, symbols, decimals, and bridge compatibility. Filter by chain key. Accepts USDC payments on Base and Solana

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


Payment for credits to access Quicknode Core API


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


AskClaude — Pay per question, no subscription

Ask Claude Sonnet (streaming) — real-time smart AI answers, $0.03/question

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


Run an official image model on Replicate (generation, editing, upscaling, etc.). $0.10 per request.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Pay-per-request access to Replicate AI and Cloudflare Browser Rendering. No API keys, no subscriptions.


GlobalAPI x402 — Pay-per-call global economic, registry, and sanctions data

Combined economic digest with AI commentary

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Search; origin=GlobalAPI x402 provides machine-ready access to live economic indicators, company registries, and sanctions screening. $0.002–$0.10 USDC per call. No subscriptions. No API keys.


Messari API — The Institutional Standard for Crypto Data

Discover stablecoins by name, symbol, and supply footprint.

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


Get detailed information about a tag on Medium

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


DYOR Knowledge Graph — Crypto Intelligence API

Cluster Unlock Risk: Detects when multiple tokens within the same investment cluster have simultaneous upcoming unlocks. Why it matters: Correlated unlock timing creates compounding selling pressure that simple unlock calendars miss. High score: Combined unlock >15% across a co-invested cluster. Example: Cluster 7: 4 co-invested tokens with upcoming unlocks totaling 11.2% of circulating. | ZWING Intelligence (https://zwing.bot) â contact: v@zwing.bot, Telegram: @valery_zzz

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


PREMIUM: Composite trading signals derived from multiple data sources. Market regime, whale momentum, sentiment divergence. Unique alpha.

402 Payment Required: Missing Hash; x402Version=1; scheme=exact; accept_verified=false; tags=Trading


Get detailed coin metadata and market data

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


Facebook - Get accounts user/page follows

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.


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.


ShieldAPI – Real‑time Security Intelligence

Payment required; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Brutalist security API for AI agents – free tier, pay‑per‑request via x402.


[HL] PRIVATEER — Open Hyperliquid Discretionary Desk

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; origin=A fund of autonomous agents making discretionary calls on Hyperliquid. Follow trades, read analysis, copy positions — all accessible via x402 pay-per-call.


8k4 Protocol — Trust API for ERC-8004 Agents

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Identity and trust scoring for autonomous agents. Pay per request via x402. No signup required.


X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Agent x402 is an autonomous agent that executes payments and actions with x402 services, enabling self-governing operations.


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=Utility; origin=Autonomous crypto trading and research agent


Octav PRO – Portfolio Intelligence & NAV Reporting for Digital Assets

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Monitor crypto portfolios with automated NAV reports, exposure insights, and AI-powered transaction labeling. Octav Pro helps funds and institutions turn digital-asset complexity into clear, compliant reporting.


Romy Mondello — agent infrastructure, x402 micropayments, EmDash plugins

Payment required; mime=image/jpeg; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Notes from the agent era. Agent infrastructure, x402 micropayments, EmDash plugins, and on-chain verification.


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


Payment Required; x402Version=1; scheme=exact; accept_verified=false; tags=Crypto; origin=Pay-once access and marketplace via X402 on Solana/Base USDC. Simple. Clean. Fast.


mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=Onchain accountability for AI agents. Commit, prove, get certified.


Payment required; x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Click button to earn crypto! A fun clicker game on Base.


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.


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


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


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


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=Long-term memory layer for OpenClaw, MoltBook & Claude Code that learns and recalls your project context automatically.


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


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


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


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


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


ChainRay — On-Chain Intelligence for AI Agents

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


GitHub - QuantOracledev/quantoracle: 63 deterministic quant computation tools for autonomous financial agents. Options, derivatives, risk, portfolio, statistics, crypto/DeFi, macro/FX, TVM. 1,000 free calls/day — no signup. · GitHub

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; origin=63 deterministic quant computation tools for autonomous financial agents. Options, derivatives, risk, portfolio, statistics, crypto/DeFi, macro/FX, TVM. 1,000 free calls/day — no signup. - QuantOracledev/quantoracle


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


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


Authentication required; mime=application/json; 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.


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


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


HyperCLI - Deploy AI models in 30 seconds

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=The universal AI runtime that runs any model across a global GPU fabric with a single command.


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


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


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


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


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.


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


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


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


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=Utility


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


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.


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


Failed transactions touching specified program IDs.

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


x402 Launch Pack Generator v0: produce listing copy, buyer FAQ, checklist, approval packet, and marketplace-safe claim boundaries for paid x402/MCP tools.

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Preflight checks for paid agent tools: GateCheck seller-readiness checks, unpaid x402 paid-path probes, and launch-pack artifacts before marketplace listing.


Dexfra | The first x402 Operating AI Layer For Solana Trenches

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


🛡 Protect your portfolio from rug pulls! Our advanced AI-powered screener identifies suspicious tokens before they drain your wallet. Don't be the next victim - scan tokens instantly!

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


Meet BetPuter: the bot that watches the numbers so you can watch the game. One crisp insight, no noise.

Built for hoops obsessives, it digests odds, injuries, form, pace, travel, and head-to-head history—then distills it into a clear edge. Time-zone smart, injury-aware, and ruthlessly concise, BetPuter turns data sprawl into a quick read you can trust. Less scrolling, more knowing.

x402Version=1; scheme=exact; accept_verified=false; tags=Trading; origin=Create an agent on memeputer.com, give it personality, skills, and a wallet — then let it earn for you anywhere. Agents can run solo or be composed via X402 to build workflows.


Full holder breakdown for a token: every detected wallet-funding network with member wallets + ownership %, top individual holders, exchange-funded distribution, rugger tags, and lock/stake flags. Pass `analysis` to fetch a historical snapshot.

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.


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

Get KOL trading activities on token (sorted by time descending)

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.


Xona Agent | Infrastructure for Agentic Commerce

Extract structured persona from X (Twitter) username. Analyzes posts, profile, and communication style to generate persona, style profile, content patterns, and avatar prompt.

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.


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


Trading PnL, win rate, Sharpe/Sortino ratios, max drawdown, profit factor.

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


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

Arch Tools — generate-uuid (native SOL) / Arch Tools — generate-uuid (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.


Syra Brain: single-question API (AI selects and runs tools, returns one answer)

Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=AI; origin=Institutional-grade AI trading infrastructure for smart money automation. Real-time sentiment analysis, risk scoring, whale tracking, and automated execution.


Decentralized GPU LLM Inference | Jatevo (DGON)

AI-powered web search with Exa.ai / AI-powered web search with Exa.ai

X-PAYMENT header is required; x402Version=1; scheme=exact; accept_verified=false; tags=Search; origin=The Distributed GPU LLM Inference Network. Route your prompts across a decentralized network of GPUs for low-latency, cost-efficient LLM inference.


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.


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.


Sensitivity Analysis â parametric perturbation, elasticity, risk ranking, critical parameter detection

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


Current price for a Solana token by mint address.

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


Full evaluation snapshot for a Solana token — returns technical indicators (RSI, VWAP, MACD, EMA crossover, volume profile), pool signals (liquidity, volume), qualify gates, market regime (trending/ranging/volatile), risk metrics (volatility, drawdown), and derived metrics. Everything except buy/sell recommendations. See also: token_triage for a lighter $0.01 assessment.


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


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


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


Engrave Protocol — BTCFi Tools for Smarter AI Agents

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


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


Extracts key data from invoice images or PDFs, such as amounts, dates, vendors, and line items, for automated accounting and expense tracking.

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


Mint Tarot Card #246 â Common Cursed Treasures NFT on Base Mainnet.

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


Google Aerial View - Look up a previously rendered flyover video by address or videoId

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


TVL by chain — every chain DefiLlama tracks with current TVL totals.

mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Crypto; 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=Crypto; 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 aggregated portfolio totals (Tokens, Apps, NFTs) broken down by network for a single address, or a list of addresses.

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


Look up a single Twitter/X tweet by its numeric tweet ID. Returns full tweet data including text, author profile, creation date, engagement metrics (likes, retweets, replies, quotes, bookmarks), and referenced tweets. Query param: id (string, required) - numeric tweet ID, e.g. GET /tweets/by/id?id=1110302988. Returns X v2 API-compatible JSON.

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.


Send email from your custom subdomain on stableemail.dev ($0.005)

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


Nansen AI - Agentic Trading with Onchain Intelligence

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

Cross-chain token bridging via LiFi aggregator. Move tokens between Base, Ethereum, Arbitrum, Optimism, Polygon, BSC, Avalanche, and Solana with best-route execution across all major bridges.

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


Orbis — API Marketplace for Developers & AI Agents

Generate images with Flux Schnell, Flux Dev, and SDXL — one endpoint, pay per image.

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


Satoshi API - Bitcoin Fee Intelligence for Apps and AI Agents

Satoshi API Bitcoin fee landscape: send now or wait timing and confirmation context for agents, backed by 46.8% average fee-savings analysis.

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.


Get decoded transaction details for any Base transaction

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


DataBR — API de Dados Públicos Brasileiros

Compliance eleitoral — cruzamento doações TSE com sanções CEIS/CNEP e processos judiciais

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.


Base CoinGecko Vote quick endpoint. Create a paid WURK task to collect votes on a CoinGecko coin page. Provide a coingecko.com/en/coins/<slug> URL (and optional amount), pay with USDC via x402, and the job will be created on wurk.fun for users to vote and submit proof.

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