DYOR Knowledge Graph — Crypto Intelligence API

Smart Money Divergence: Tracks the largest token holders and detects when their 30-day balance change exceeds 20%. Why it matters: Top holders are the most informed and impactful participants. Their positioning precedes major price movements. High score: Top holder balance change >40%. Example: Token Y: top holder (rank #1, 12.3% ownership) increased balance +34% over 30d. | 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=Trading


High-quality text-to-image by Black Forest Labs (12B params). Outputs 1-4 PNG images up to 1440x1440. Configurable aspect ratios. Great for photorealistic and artistic images.

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

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


Messari API — The Institutional Standard for Crypto Data

Get hourly blockchain network metric history for intraday analysis.

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

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


Top 10 crypto gainers in the last 24h by % change. Query: ?limit=10

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


AI副业加速器｜AiToollab — 普通人用AI做副业的实战平台

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。


Get historical APY chart for a yield pool

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.


Venice AI Code Generation (Qwen Coder, Grok Code)

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


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=Random; 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.


Payment required for /finance/jupiter/quote

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


Prediction markets data â pay per request

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


AgentOS — Infrastructure for Autonomous AI Agents

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

Require human confirmation and platform-policy review.


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


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

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.


Payment required; x402Version=2; 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=Trading; 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=Crypto; origin=352 x402-payable blockchain analytics endpoints. Pay-per-call with USDC on Base or USDT on Tron. No API keys required.


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


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=Search


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


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

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.


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


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


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=Crypto


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=Utility; origin=Access over 1,000 premium API endpoints with micropayments. Pay only $0.02 per request.


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

Normalize token/amount terms before comparing cost.


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


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

Arch Tools — extract-pdf (native SOL) / Arch Tools — extract-pdf (USDT on Base)

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


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


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


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.


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 Twitter/X data API with x402 micropayments.


Analyzes user-reported symptoms and suggests possible conditions with recommendations for next steps, emphasizing the importance of professional medical advice.

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

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


Mint Spell Page #348 â Common Cursed Treasures NFT on Base Mainnet.

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


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.


List canonical market/question containers with cross-venue Predexon IDs

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


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

Best DeFi yield opportunities across stablecoins, ETH, and BTC with risk ratings and APY comparisons.

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


Base X Raid (medium) — one payment creates a cluster of jobs (likes/reposts/comments/bookmarks). Retry with PAYMENT-SIGNATURE to settle.

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


DataBR — API de Dados Públicos Brasileiros

Reservas internacionais do Brasil — posição diária em USD, composição por moeda (Banco Central do Brasil)

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.


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

Messari Asset Details: Fetch a bounded crypto asset profile with fundamentals, taxonomy, and summary context. Useful for token research, market briefs, crypto diligence, and asset overview agents. Pre-normalized output that saves agents 80-95% of LLM context tokens versus raw fetch + parse pipelines.

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


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

Vedic Astrology (Jyotish) â sidereal natal chart with Nakshatras, Vimshottari Dasha periods, planetary dignities, Yogas, Vedic aspects. Lahiri/Krishnamurti/Raman ayanamsa. Indian astrology system with Moon-centric personality analysis.

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.


Carbon & Cashmere — Crypto Intelligence Infrastructure

Get real-time gas prices â Ethereum slow/standard/fast in gwei with base fee, Bitcoin fee estimates in sat/vB with mempool stats. AI agent API for transaction cost optimization, gas fee monitoring, and optimal execution timing.

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


Get routes between two airports with historical filing data

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.


Strale — Trust and Quality Infrastructure for AI Agents

Payment required. Invoice Verify — United Kingdom costs $0.1500 USDC per call.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; 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/lists/{direction}/{type}/{entry})

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.


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.


EVM wallet activity feed - newest-first transfers, swaps, approvals, NFT movements, and decoded contract calls

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


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=false; 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.


Prediction Event - Get detailed event/market info

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


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

Research a topic across Reddit, TikTok, YouTube, Instagram, HN, Polymarket. Ranked + clustered.

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.


Retrieve tweets by user name. Sort by created_at. Results are paginated, with each page returning up to 20 tweets. / Retrieve tweets by user name. Sort by created_at. Results are paginated, with each page returning up to 20 tweets.

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.


Fetch NFT collections held by an EVM wallet. The result includes the number of NFTs, the collection name and description of the NFTs. Use this tool if you want to know the NFT portfolio of the wallet.

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


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


Get tweet mentions by user screen name. Each page returns exactly 20 mentions. Use cursor for pagination. Order by mention time desc / Get tweet mentions by user screen name. Each page returns exactly 20 mentions. Use cursor for pagination. Order by mention time desc

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.


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

Trending tokens and DEX pools on Base chain

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


Combined portfolio value across Base + Tron: total holdings with chain distribution

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


Automated by @aixbt_labs.
Agent swarm assembling by Questflow | Powered by Questflow

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


High-velocity DEX liquidity changes detecting significant adds/removes that signal market moves. (with AI analysis)

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

Get trending prediction market events from Polymarket with volume and odds

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.


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

XActions AI API â engagement:auto-retweet

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.


Service: Verifik AI (https://verifik.x402.paysponge.com/v2/bo/vehicle)

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.


Payment for credits to access Quicknode Core API

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


Unlock "new alpha TG test for image" alpha content

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


Erudite Data Platform — Market Intelligence API

Real estate deals: below-market properties and investment opportunities

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


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

DeepSeek R1 32B (Reasoning) — Chain-of-thought reasoning. Best for math/logic/code.

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。


DYOR Knowledge Graph — Crypto Intelligence API

Stablecoin Peg Deviation: Monitors stablecoin prices for deviations from their target peg, flagging >0.5% deviation with >$1M supply. Why it matters: Stablecoin depegging is a systemic risk event that cascades through lending protocols, DEX pools, and payment systems. High score: Deviation >2% â active depegging event. Example: Stablecoin Z: trading at $0.9847 (1.53% below peg). Circulating: $340M. | 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=Search


FramePack — open-source image-to-video with great motion control. Outputs ~5s MP4 at 640p. Budget-friendly.


Messari API — The Institutional Standard for Crypto Data

Get 5-minute blockchain network metric history for high-frequency monitoring.

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


Top 10 crypto losers in the last 24h by % change. Query: ?limit=10


AI副业加速器｜AiToollab — 普通人用AI做副业的实战平台

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。


Creator address and transaction hash for contract

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.


Venice AI Deep Reasoning (chain-of-thought models)

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


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=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.


Payment required for /market/dexscreener/token-info/solana/So11111111111111111111111111111111111111112

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


Prediction markets data â pay per request

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


AgentOS — Infrastructure for Autonomous AI Agents

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


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


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

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


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


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


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=Trading; 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=Trading; origin=352 x402-payable blockchain analytics endpoints. Pay-per-call with USDC on Base or USDT on Tron. No API keys required.


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


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=Search


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

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.


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


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


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=Trading


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=Utility; origin=Access over 1,000 premium API endpoints with micropayments. Pay only $0.02 per request.


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


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


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

Arch Tools — jsonpath-query (native SOL) / Arch Tools — jsonpath-query (USDT on Base)

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


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


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


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.


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 Twitter/X data API with x402 micropayments.


Matches user-described symptoms to potential medical conditions, providing structured differentials and triage advice for preliminary self-assessment.

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


Mint Porsche 911 Model #837 â Epic Shadow Arsenal NFT on Base Mainnet.

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


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.


List venue-native executable listings flattened across canonical markets

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.


Nansen AI - Agentic Trading with Onchain Intelligence

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


Base X Raid (large) — scout-gated bundle. Retry with PAYMENT-SIGNATURE to settle.

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


DataBR — API de Dados Públicos Brasileiros

Taxa Selic — taxa básica de juros da economia brasileira, atualizada a cada reunião do COPOM (Banco Central do Brasil)

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


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

Messari Asset Timeseries: Fetch a bounded Messari metric window and normalize it into asset timeseries points. Useful for token charts, metric tracking, market briefs, and time-windowed crypto analysis. Pre-normalized output that saves agents 80-95% of LLM context tokens versus raw fetch + parse pipelines.

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


Carbon & Cashmere — Crypto Intelligence Infrastructure

Historical intelligence data â OHLCV 4h candles, funding rates, open interest, and ML signals with configurable lookback (1-720h) and include filters. 730 days of data for 34 coins. AI agent API for backtesting, trend analysis, and historical pattern detection.

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.


Get a flight track map payload (proxied from FlightAware)

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


Strale — Trust and Quality Infrastructure for AI Agents

Payment required. Invoice Verify — United States costs $0.1500 USDC per call.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; 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/metrics)

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.


FetchForge — Web Fetching & Scraping API for AI Agents

Search the web and return structured results

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


EVM token balances for a wallet - native + ERC-20 with Sim pricing, warnings, pagination, and optional historical prices

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.


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

Real-time response coaching â given a human's message and conversation objective, generate ranked response options with detected emotional state and avoidance list. Speed-optimized.

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.


Satoshi API - Bitcoin Fee Intelligence for Apps and AI Agents

Satoshi API next-block forecast: Bitcoin block fee pressure and inclusion timing for agents deciding whether to broadcast now.

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


Prediction Markets - List active prediction markets (Polymarket + Kalshi)

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


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

Truth Social profiles, user posts, individual post details.

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.


Retrieve tweets by user name. Sort by created_at. Results are paginated, with each page returning up to 20 tweets. / Retrieve tweets by user name. Sort by created_at. Results are paginated, with each page returning up to 20 tweets.

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.


Fetch token holdings of an EVM wallet. The result includes the amount, USD value, 1-day price change, token contract address and the chain of all tokens held by the wallet. Use this tool if you want to know the token portfolio of the wallet or understand a user's onchain behavior. 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=Crypto; 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=Crypto; 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.


Get tweet mentions by user screen name. Each page returns exactly 20 mentions. Use cursor for pagination. Order by mention time desc / Get tweet mentions by user screen name. Each page returns exactly 20 mentions. Use cursor for pagination. Order by mention time desc

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.


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

Wallet portfolio scan and holdings analysis on Base

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


Check if a token hit a price threshold: useful for agent monitoring and alerts

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


High-velocity DEX liquidity changes detecting significant adds/removes that signal market moves.

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

Get current odds and probability for a specific Polymarket prediction event

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.


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

XActions AI API â engagement:bulk-execute

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.


Service: Verifik AI (https://verifik.x402.paysponge.com/v2/bo/vehicle)

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.


Make a tweet, make a meme, generate a picture, analyze market trends and more | Powered by Questflow

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


Payment for credits to access Quicknode Core API

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


Test TItle: This is testing Content info

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


Erudite Data Platform — Market Intelligence API

Real estate market analysis: pricing trends and regional comparisons

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


DYOR Knowledge Graph — Crypto Intelligence API

Treasury Health: Analyzes protocol treasuries for concentration (>80% own tokens) and runway (non-own reserves vs operational costs). Why it matters: A treasury dominated by own tokens provides only circular value. Selling to fund operations crashes the price. High score: Own tokens >95% or runway <90 days. Example: Protocol E: 94% of $180M treasury is own tokens. Non-own reserves: $10.8M. | 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=Search


Tencent Hunyuan3D V2 — generates a textured 3D mesh (GLB format) from a single image. Best with objects on clean backgrounds. Includes full texture mapping.


Messari API — The Institutional Standard for Crypto Data

Get daily stablecoin metric history via the explicit 1d route.

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


AI副业加速器｜AiToollab — 普通人用AI做副业的实战平台

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。


Estimated confirmation time for gas price

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


Alt season index: BTC dominance trend, ETH/BTC ratio, top altcoin relative performance vs BTC. Is it alt season?


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=Random; 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.


Payment required for /nft/metadata/ethereum/0xbc4ca0eda7647a8ab7c2061c2e118a18a936f13d/1

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


Prediction markets data â pay per request

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


Payment required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Utility; origin=Pay-per-request AI, crypto, proxy, and utility APIs using x402 protocol


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.


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

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


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


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


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


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=Trading; 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=Trading; origin=352 x402-payable blockchain analytics endpoints. Pay-per-call with USDC on Base or USDT on Tron. No API keys required.


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


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


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


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

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.


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


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


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=Trading


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=Utility; origin=Access over 1,000 premium API endpoints with micropayments. Pay only $0.02 per request.


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


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

Arch Tools — jsonpath-query (native SOL) / Arch Tools — jsonpath-query (USDT on Base)

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


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


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


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.


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 Twitter/X data API with x402 micropayments.


Generates descriptive alt text for images to improve web accessibility for visually impaired users, ensuring compliance with WCAG standards.


Mint Porsche 911 Model #838 â Epic Shadow Arsenal NFT on Base Mainnet.

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


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.


Search markets across Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun in a single call

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


Nansen AI - Agentic Trading with Onchain Intelligence

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


Base X Raid (medium) — scout-gated bundle. Retry with PAYMENT-SIGNATURE to settle.

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


DataBR — API de Dados Públicos Brasileiros

SML - Sistema de Moeda Local — cotações para pagamentos Brasil-Paraguai/Uruguai/Argentina (Banco Central do Brasil)

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


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

Messari Funding Rounds: List recent Messari fundraising rounds and normalize the round metadata into compact records. Useful for startup tracking, venture market scans, funding digests, and crypto ecosystem research. Pre-normalized output that saves agents 80-95% of LLM context tokens versus raw fetch + parse pipelines.

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


Carbon & Cashmere — Crypto Intelligence Infrastructure

Historical intelligence data â OHLCV 4h candles, funding rates, open interest, and ML signals with configurable lookback (1-720h) and include filters. 730 days of data for 34 coins. AI agent API for backtesting, trend analysis, and historical pattern detection.

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.


Get the latest position for a flight by fa_flight_id

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


AgentMail | Email Inbox API for AI Agents

Service: AgentMail API (https://api.paysponge.com/v0/organizations)

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.


EVM collectibles for a wallet - ERC-721 and ERC-1155 holdings with spam filtering, pagination, and optional spam score explanations

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


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

Communication style profiler â tone, directness, formality, persuasion triggers, trust signals, writing style analysis, how to talk to this person, message preferences, interpersonal communication guidance

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.


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=false; 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.


Sanctions by Country - Get sanctioned entities by country code

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


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

Twitch streamer profiles and clip details.

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.


Get user verified followers in reverse chronological order (newest first). Returns exactly 20 verified followers per page, sorted by follow date. Most recent followers appear on the first page. Use cursor for pagination through the complete followers list. $0.3 per 1000 followers / Get user verified followers in reverse chronological order (newest first). Returns exactly 20 verified followers per page, sorted by follow date. Most recent followers appear on the first page. Use cursor for pagination through the complete followers list. $0.3 per 1000 followers

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.


Strale — Trust and Quality Infrastructure for AI Agents

Payment required. Address Geocode costs $0.0050 USDC per call.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Company data, compliance checks, financial validation. Structured JSON with audit trails. Every capability independently quality-scored.


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


Search user by keyword / Search user by keyword


Known team/treasury wallet addresses for a token — governance and treasury data

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


Generate 5-second 480p silent video from image using Wan 2.2 Flash (fast generation) 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=Utility; origin=Generated by create next app


Real-time Polymarket contract events and position changes (Polygon only).

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

Search Polymarket prediction markets by keyword. Standard mode searches top 5000 markets by volume. Use exhaustive:true for full catalog search (~15,000+ markets).

X-PAYMENT header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Search; 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.


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

Premium crypto sentiment bundle â sentiment scores, funding rates, liquidation data, and open interest across BTC/ETH/SOL/XRP

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.


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

XActions AI API â engagement:crypto-analyze

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


Service: Verifik AI (https://verifik.x402.paysponge.com/v2/br/background-check)

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.


Payment for credits to access Quicknode Core API

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


Generate high-quality videos using OpenAI Sora 2 Pro model. Supports text-to-video and video remix capabilities. | Powered by Questflow

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


The Lithium Decade: Why Standard Lithium (SLI) Is Positioned for a Multi-Year Run: The Perfect Storm: Why Lithium Demand Will Explode for the Next DecadeImagine if someone told you in...

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


Erudite Data Platform — Market Intelligence API

Global trade analysis: bilateral trade flows and commodity data

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


DYOR Knowledge Graph — Crypto Intelligence API

Yield Anomaly: Detects unusual APY spikes or collapses in DeFi pools, filtered to pools with >$500K TVL. Why it matters: Sudden yield changes are early warnings of incentive programs, exploits, or smart money exits. High score: APY change >500% â extreme event. Example: Pool XYZ: APY collapsed -340% in 7d (current: 2.1%, TVL: $4.2M). | 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=Search


Faster Hunyuan3D V2 variant — 3D mesh from an image, quicker but slightly lower quality.


Messari API — The Institutional Standard for Crypto Data

Get a paginated crypto news feed with per-asset sentiment signals.

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


AI副业加速器｜AiToollab — 普通人用AI做副业的实战平台

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。


Token name, symbol, decimals, and holders

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.


Bitcoin on-chain metrics: hash rate, difficulty, mempool size, next halving estimate, circulating supply.


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.


Payment required for /risk/market-crash-probability

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


Prediction markets data â pay per request

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


AgentOS — Infrastructure for Autonomous AI Agents

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


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

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


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


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


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


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


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=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=Crypto; origin=352 x402-payable blockchain analytics endpoints. Pay-per-call with USDC on Base or USDT on Tron. No API keys required.


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


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


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

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.


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


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


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


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=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=Utility


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

Arch Tools — ocr-extract (native SOL) / Arch Tools — ocr-extract (USDT on Base)

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


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


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


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.


Engrave Protocol — BTCFi Tools for Smarter AI Agents

x402Version=1; scheme=exact; accept_verified=false; tags=Search; 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 Twitter/X data API with x402 micropayments.


Anonymizes sensitive data in datasets by removing or obfuscating personal identifiers, ensuring compliance with privacy regulations like GDPR.


Deep smart contract security scan using Slither + Mythril + Solhint. Submit Solidity source code as text body.

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


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.


Find equivalent markets across Polymarket and Kalshi

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


Nansen AI - Agentic Trading with Onchain Intelligence

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


Base X Raid (small) — scout-gated bundle. Retry with PAYMENT-SIGNATURE to settle.

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


DataBR — API de Dados Públicos Brasileiros

Taxas de juros do crédito — taxas médias pré e pós-fixadas por modalidade (Banco Central do Brasil, OLINDA)

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.


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

Messari News Feed: Fetch recent Messari crypto news with stable normalized fields and optional asset filters. Useful for asset news monitoring, market briefs, event watchlists, and crypto research. Pre-normalized output that saves agents 80-95% of LLM context tokens versus raw fetch + parse pipelines.

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


Carbon & Cashmere — Crypto Intelligence Infrastructure

Historical intelligence data â OHLCV 4h candles, funding rates, open interest, and ML signals with configurable lookback (1-720h) and include filters. 730 days of data for 34 coins. AI agent API for backtesting, trend analysis, and historical pattern detection.

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.


Search for flights by query string (-latlong, -idents, -airline syntax)

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.


AgentMail | Email Inbox API for AI Agents

Service: AgentMail API (https://api.paysponge.com/v0/pods)

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.


Active DeFi positions - lending, LP, staking across protocols

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


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

Current emotional and cognitive state detection from recent messages. Detects stress, confidence, withdrawal, enthusiasm across 12 emotion categories and 4 quadrants. With vault profile: baseline delta comparison.

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.


OFAC Name Screen - Screen entity name against sanctions databases

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


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

X (Twitter) profiles, user tweets, tweet details + transcripts, community metadata and tweets.

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.


Get user verified followers in reverse chronological order (newest first). Returns exactly 20 verified followers per page, sorted by follow date. Most recent followers appear on the first page. Use cursor for pagination through the complete followers list. $0.3 per 1000 followers / Get user verified followers in reverse chronological order (newest first). Returns exactly 20 verified followers per page, sorted by follow date. Most recent followers appear on the first page. Use cursor for pagination through the complete followers list. $0.3 per 1000 followers

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.


Strale — Trust and Quality Infrastructure for AI Agents

Payment required. Address Parse costs $0.0050 USDC per call.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Company data, compliance checks, financial validation. Structured JSON with audit trails. Every capability independently quality-scored.


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=Crypto; 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.


Search user by keyword / Search user by keyword


Satoshi API - Bitcoin Fee Intelligence for Apps and AI Agents

Satoshi API premium Bitcoin send-or-wait decision: one paid POST turns urgency, confirmation target, transaction size, and fee market context into a broadcast or defer agent action.

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


Top 20 addresses a Tron wallet has interacted with — transaction counts, contract types, timing

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


Generate 5-second 480p silent video from image using Wan 2.2 Plus (high quality) 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=Utility; origin=Generated by create next app


Pump.fun tokens approaching Raydium graduation threshold (Solana only). (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

Real-time multi-chain portfolio valuation - infrastructure for portfolio management agents (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.


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

BTC macro intelligence â funding rates, liquidation cascade risk, open interest, and orderbook imbalance

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


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

XActions AI API â engagement:detect-bots

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.


Service: Verifik AI (https://verifik.x402.paysponge.com/v2/br/background-check)

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.


Payment for credits to access Quicknode Core API

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


Deep WEB3 research | Powered by Questflow

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


GameFi Alpha: Top Play-to-Earn Games for 2025: Discover the most profitable P2E games launching thisyear with tokenomics analysis and ROI projectio...

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


DYOR Knowledge Graph — Crypto Intelligence API

Yield Sustainability: Identifies pools where reward token emissions drive the majority of yield (reward APY > 5x base APY). Why it matters: When reward APY is 10-20x the organic yield, the pool is a token distribution mechanism disguised as a yield opportunity. High score: Reward/base ratio >15x â almost entirely emissions. Example: Pool ABC: reward APY (42.5%) is 17x base APY (2.5%). TVL: $2.8M. | 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=Search


Generate detailed descriptions of images using Florence-2-Large AI model. Great for accessibility and content analysis.

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


Messari API — The Institutional Standard for Crypto Data

Get crypto asset mindshare rankings with sentiment and momentum context.

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


AI副业加速器｜AiToollab — 普通人用AI做副业的实战平台

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。


Total value locked in DeFi protocols (top 10 by TVL) via DeFiLlama. Macro health indicator.


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=Random; 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.


Payment required for /risk/seismic/activity

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


Prediction markets data â pay per request

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


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.


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

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


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


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


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=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=Trading; origin=352 x402-payable blockchain analytics endpoints. Pay-per-call with USDC on Base or USDT on Tron. No API keys required.


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


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


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.


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


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

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.


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


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


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


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


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


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=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=Utility


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

Arch Tools — ocr-extract (native SOL) / Arch Tools — ocr-extract (USDT on Base)

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


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


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


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.


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 Twitter/X data API with x402 micropayments.


Audit dataset for privacy compliance and suggest anonymization steps

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


Mint Polished Amethyst #1 â Common Lost Gems NFT on Base Mainnet.

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


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.


Get all active exact-matched market pairs

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


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


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.


Base X Raid (small) — one payment creates a cluster of jobs (likes/reposts/comments/bookmarks). Retry with PAYMENT-SIGNATURE to settle.

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


DataBR — API de Dados Públicos Brasileiros

Exportações brasileiras — valor FOB, peso, NCM e país de destino por período (ComexStat MDIC)

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.


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

Messari Stablecoins: List stablecoin market snapshots from Messari with flat machine-friendly fields. Useful for stablecoin scoreboards, market-share snapshots, treasury monitoring, and payments research. Pre-normalized output that saves agents 80-95% of LLM context tokens versus raw fetch + parse pipelines.

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


Carbon & Cashmere — Crypto Intelligence Infrastructure

Historical intelligence data â OHLCV 4h candles, funding rates, open interest, and ML signals with configurable lookback (1-720h) and include filters. 730 days of data for 34 coins. AI agent API for backtesting, trend analysis, and historical pattern detection.

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.


Advanced flight search with extended query syntax

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.


AgentMail | Email Inbox API for AI Agents

Service: AgentMail API (https://api.paysponge.com/v0/pods/{pod_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.


Transaction history - decoded actions with method labels

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


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

Create a new persistent human profile in the vault. Agent-namespaced by wallet address. Accepts initial identity, text samples, observations, and birth data.

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


SEC Company Profile - Get company profile from SEC EDGAR

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


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

YouTube channels, videos, shorts, transcripts, comments, keyword + hashtag search, playlists, community posts.

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.


Strale — Trust and Quality Infrastructure for AI Agents

Payment required. Address Validate costs $0.0050 USDC per call.; x402Version=1; scheme=exact; accept_verified=false; tags=Utility; origin=Company data, compliance checks, financial validation. Structured JSON with audit trails. Every capability independently quality-scored.


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=Crypto; 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.


Retrieve tweets by user name. Sort by created_at. Results are paginated, with each page returning up to 20 tweets. / Retrieve tweets by user name. Sort by created_at. Results are paginated, with each page returning up to 20 tweets.

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.


Satoshi API - Bitcoin Fee Intelligence for Apps and AI Agents

Satoshi API withdrawal batch plan: decide whether an exchange, wallet, or payout agent should broadcast a Bitcoin withdrawal batch now.

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


List of known exchange hot wallet addresses on Tron

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


Generate 5-second 480p video WITH AUDIO from image using Wan 2.5 Preview 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=Utility; origin=Generated by create next app


Pump.fun tokens approaching Raydium graduation threshold (Solana only).

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

Get current odds and probability for any prediction market event. Supports Polymarket and other prediction market platforms.

X-PAYMENT header is required; mime=application/json; x402Version=2; scheme=exact; accept_verified=false; tags=Trading; 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.


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

Premium prediction markets bundle â active positions, market odds, resolution history, and edge analysis

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.