Marketplace
Available services
Browse APIs and content services on the marketplace. Pay with prepaid credits or per-request x402 (USDC).
328 services showing 260 external
1xBet
Fast JSON API for 1xBet sports and betting data - live and prematch events, odds, odds movement, match details, statistics, lineups, players, teams and tournaments.
365Scores
Fast JSON API for 365Scores sports data - fixtures, results, match details, lineups, statistics, trends, competitions, standings, players, teams, news and transfers.
AI Analyst
Structured AI analysis powered by Workers AI (Llama 3.1). Extract named entities, classify text into custom categories, analyze sentiment with aspect-level detail, or run custom analysis with your own instructions. Returns structured JSON, not free-form text.
AI Translator
Translate text between languages using Llama 3.1. Supports auto-detection of source language and translation to any target language.
AliyevECO
WebMesh bridges your LLMs with the real-time web. Run a self-hosted search aggregator powered by AliyevECO, cache queries in Redis, and track billing through Supabase and Stripe.
ApexScout Agent Commerce Diagnostics
Diagnose AWAL, AgentCash Router, Payment-Identifier, signed-offer, receipt, client-version, and Cloudflare x402 failures using a free preview/preflight or paid Failure Match ($0.005), Verified Fix Card ($0.01), and Edition Delta ($0.005). APIHub bills once; the full $0.10 Ledger is separately listed.
ApexScout Reliability Ledger
A privacy-safe agent-commerce reliability data product for x402 buyers and builders. It returns the current Reliability Ledger edition with aggregate compatibility patterns, failure signatures, and verified remediation guidance. APIHub handles buyer billing once; ApexScout does not add a second paywall or expose buyer-level data.
Base64 Tools
Encode and decode Base64 strings. Convert text to Base64 for safe transport in URLs, headers, and JSON payloads.
CORS Policy Checker
Check a server's CORS response headers for a URL and optional Origin, with a clear allowed/blocked verdict and fix hints.
CSP Evaluator
Statically finds the weak points in a website Content Security Policy that undermine script-injection protection. Returns one graded JSON report with a verdict, script protection level, grade and coded issues, each linked to the W3C CSP Level 3 section it is based on. Offline mode checks a policy string before you deploy it.
Code Sandbox
Execute JavaScript and TypeScript code in a secure, isolated sandboxed environment. No network access, no filesystem, pure computation. Ideal for agents that need to run calculations, transform data, test logic, or generate outputs programmatically.
Cricbuzz
Fast JSON API for Cricbuzz cricket data - live, recent and upcoming matches, scorecards, commentary, series, teams, players, statistics and news.
Currency Exchange Rates
Real-time currency exchange rates for 150+ currencies. Get latest rates, convert between currency pairs, and access historical data. Powered by open exchange rate data.
DNS Lookup
Resolve A, AAAA, MX, TXT, NS, CNAME, SOA, CAA and PTR records for a domain as clean JSON.
Deep Link Association Checker
Check iOS Universal Links (apple-app-site-association) and Android App Links (assetlinks.json) for a domain in one call. Returns a score, a grade and findings with stable codes, JSON paths and documentation links. Redirects are reported, not followed. Offline mode validates drafts before you publish them.
Domain Lookup (RDAP)
RDAP-based domain registration data: registrar, creation and expiry dates, nameservers and status as JSON.
Email Authentication Checker
Check a domain's email authentication: SPF (lookup limit, syntax, includes), DMARC policy and alignment, DKIM keys by selector, plus MTA-STS, TLS-RPT and BIMI, with grade, score and coded issues.
Email Header Analyzer
Paste raw email headers to get the delivery path, per-hop delays and SPF/DKIM/DMARC authentication results.
Email Validation
Validate an email address: syntax, MX records via DNS-over-HTTPS and disposable-domain detection.
Face Search API
face search, reverse image search, facial recognition, osint, find social media by photo, face finder, identity verification, reverse face search, catfishing detector, profile finder, image search api, face match
FlashScore
FlashScore API (flashscore.com) - Real-Time Scores, Results & Match Stats. Get detailed sports data including live scores, fixtures, results, and stats from FlashScore across football (soccer), tennis, basketball, hockey and more.
FotMob
FotMob API (fotmob.com): Real-Time Scores, Results & Match Stats. Get detailed sports data including live scores, fixtures, results, and stats from FotMob across football (soccer).
GPT-5.5 x402 High-Value Agent Tools
GPT-5.5 x402 agent tools over Base USDC: OpenAI-compatible chat, wallet payment activation, revenue recovery, buyer-owned payment clients, MCP and Flowise config, wallet safety, and settlement diagnostics.
Goal
Fast JSON API for Goal football data - live scores, fixtures, match details, lineups, statistics, predictions, competitions, teams and players.
Goodreads
Fast JSON API for Goodreads book data - book details by id or ISBN, similar books, series, genres, Listopia lists, quotes, Choice Awards, plus book, list, quote, group and people search.
HTTP Cache Headers Analyzer
Paste a URL, get a verdict on whether browsers and CDNs can cache it, for how long, and what is misconfigured.
Hash Service
Compute SHA-256 and MD5 hashes of arbitrary text input. Useful for data integrity verification, checksums, and content fingerprinting.
Hreflang Validator
Checks a page's hreflang annotations against Google's documented rules and verifies that up to 10 alternates link back. Returns one graded JSON report with stable issue codes and Google documentation links. Offline mode checks staging HTML.
IMDb
Fast JSON API for IMDb movie, TV and person data - title details, ratings, cast and crew, search, random titles, charts, upcoming releases and related titles.
IP Lookup (RDAP)
RDAP-based IP data: regional registry, network range, organization and country for any IPv4 or IPv6 address.
Indexability Checker
Meta robots, X-Robots-Tag, canonical and robots.txt checks in one call. Tells you whether a URL can be indexed by Google and which declared signal blocks it, with a verdict, grade and coded issues. Offline mode checks staging pages.
JSON Formatter
Validate and pretty-print JSON strings. Check if a JSON string is valid and format it with configurable indentation.
JSON-LD Structured Data Validator
Validate schema.org JSON-LD structured data of a page URL or pasted markup: grade, score, coded issues with JSON paths and rich-result required-property checks.
JustWatch
Fast JSON API for JustWatch streaming data - catalog discovery with combinable filters, movie and TV search, title details, streaming services, regional availability, genres, ratings and popular, newly added or upcoming titles.
Link Preview
Fetch title, description, og:image and favicon for any URL as link-preview JSON.
LiveScore
Fast JSON API for LiveScore sports data - live scores, fixtures, results, match details, commentary, statistics, lineups, competitions, standings and teams.
Markdown to HTML
Convert Markdown text to HTML. Supports full CommonMark specification including headings, lists, code blocks, links, and more.
Marketplace Unit Economics Grid
Commission-aware gross-price targets for autonomous marketplace sellers.
Meeting Summary (Korean)
Turn Korean meeting transcripts with clear speaker labels into a summary, decisions and action items with owners and deadlines as JSON.
OneFootball
Fast JSON API for OneFootball data - live scores, fixtures, results, match events, lineups, statistics, competitions, teams, players, transfers and search.
Open Graph and Twitter Card Validator
Validate the Open Graph and Twitter Card tags of a page URL or pasted HTML: required and recommended properties, lengths, canonical mismatch, image reachability, grade and score.
Password Generator
Generate cryptographically secure random passwords with configurable length and character sets. Includes entropy calculation.
Pinnacle
Fast JSON API for Pinnacle betting odds - sports, leagues, fixtures, live matches and the full market board of a match with money line, handicap, totals, team totals and props in American and decimal odds.
PulseNetwork OnchainPulse
Deterministic token safety verdicts: EVM tokens across 8 chains including Base and Robinhood Chain, plus memecoin rug/honeypot screening. Liquidity, holder concentration, and a plain verdict per call.
RSS/Atom Feed Validator
Validate an RSS 2.0, Atom or JSON Feed by URL or pasted text: detected format, well-formedness checks, required and recommended elements, date and enclosure checks, grade and score.
Redirect Chain Checker
Trace the HTTP redirect chain of a URL hop by hop (up to 10): status, Location, timing and change type per hop, plus SEO and performance issues, grade and score.
Robots and Sitemap Checker
Fetch and analyze a domain's robots.txt rules and sitemap files, including declared sitemap URLs and issues.
Rotten Tomatoes
Fast JSON API for Rotten Tomatoes entertainment data - movie and TV details, critic and audience scores, cast and crew, seasons, episodes, videos, pictures, search and browse.
Security Headers Checker
Grade a site's HTTP security headers (HSTS, CSP, X-Content-Type-Options and more) with fix recommendations.
Security.txt and Ads.txt Checker
Syntax and structure validation of a domain's security.txt (RFC 9116) and ads.txt/app-ads.txt files: fetches the files and reports parse errors, missing fields and expiry warnings as JSON. It checks format only, not whether the policy is sound.
Sentiment Analyzer
Analyze the sentiment of text as positive, negative, neutral, or mixed. Returns a confidence score and brief explanation. Powered by Llama 3.1.
Set-Cookie Analyzer
Check the cookies a site sets, per redirect hop and in JSON, for missing Secure/HttpOnly/SameSite flags and RFC violations, from CI or a script. Each cookie is reported with its attributes, __Host-/__Secure- prefix rules, lifetime and size, and the response carries coded issues plus an overall grade (A+ to F) and a score out of 100. Checks are based on RFC 6265 and the RFC 6265bis draft (SameSite=None needs Secure, prefix requirements, 400-day lifetime cap, 4096-byte limit) plus common best practices, such as flagging session-like cookie names that lack HttpOnly. The grade and score use our own formula; they describe cookie attributes only and are not a security audit of the site or a check of cookie-consent or privacy-law compliance. Redirects are followed hop by hop (up to 5) and cookies from every hop are analyzed. Full cookie values are never returned: only valueLength and a short masked valuePreview (at most the first 3 characters). A second endpoint parses Set-Cookie header text you paste in, offline, with no outbound request. Results reflect a single anonymous GET from our servers; cookies set by JavaScript, or only after login or consent, are not visible, and sites that block datacenter traffic may time out or show fewer cookies. Results for /v1/analyze are cached for 6 hours per URL; add fresh=1 to bypass the cache. Private-network targets are rejected.
SofaScore
SofaScore API (sofascore.com): Real-Time Scores, Results & Match Stats. Get detailed sports data including live scores, fixtures, results, and stats from SofaScore across football (soccer), tennis, basketball, hockey and more.
Tate Programs x402 Surface Checks
Launch-readiness checks for x402, MPP, Pay.sh, A2A and agent-payment APIs. Triage a public URL, watch 402 Index provider health, or check an agent skill before install.
TenderDelta EU Energy Intelligence
Verified EU energy procurement intelligence from TED. Search current opportunities, detect amendments and deadline or value changes, and get an action-ready daily brief with official source URLs.
Text Classifier
Classify text into categories. Supports custom category lists or defaults to general topics (technology, business, science, health, etc.). Powered by Llama 3.1.
Text Summarizer
Summarize long-form text into concise summaries using Llama 3.1. Configurable maximum summary length. Powered by Cloudflare Workers AI.
The Numbers
Fast JSON API for The Numbers movie business data - daily and weekend box office charts, top-grossing movies, movie search, budgets, grosses and release details.
Timestamp Converter
Convert between Unix timestamps and ISO 8601 date strings. Get the current time in multiple formats including UTC, ISO, and Unix seconds/milliseconds.
UFCStats
Fast JSON API for UFCStats MMA data - completed and upcoming events, event cards, fight details and round statistics, fighter search, records and profiles.
UUID Generator
Generate cryptographically random UUID v4 identifiers. Supports batch generation of up to 100 UUIDs per request.
WalletFinder — Historical On-Chain Trading Analytics
Historical wallet, trade, and swap metrics for Ethereum, Base, Solana. Filterable analytics — not investment advice.
Weather API
Current weather conditions and multi-day forecasts for any city worldwide. Returns temperature, conditions, wind, humidity, and pressure.
Web App Manifest Checker
Validate a site's PWA Web App Manifest. Finds <link rel="manifest"> on a page, fetches the manifest, and checks it against the W3C spec and Chrome install criteria. Returns graded issues, installability blockers, and an icon summary as JSON. A validate endpoint checks a pasted manifest offline.
Web Reader
Extract clean, structured content from any URL using headless browser rendering. Returns page title, description, text content, headings, and links. Also supports taking screenshots. Ideal for agents that need to read web pages without running a browser.
Yahoo Finance
Fast JSON API for Yahoo Finance market data - quotes, historical prices, profiles, financial statements, analysis, stocks, ETFs, crypto, mutual funds, options, indices and currencies.
Zillow
Fast JSON API for Zillow real estate data - search autocomplete, property search with filters, property details, market value and forecast, local agents, price and tax history, schools, walk scores, comparables and regions.
memwry
Ephemeral working-memory storage service for AI agents with x402 cryptocurrency micropayments. The W is the write — it's the only thing that costs anything. Every GET endpoint is free and public.
AX1 · Research, capital, and network for early consumer teams
We work closely with a small number of founders before the category gets obvious. Founder support, capital access, distribution and thesis research.
Agentic Portal - x402/MPP APIs | Pocket Network
Pay-per-call access to Pocket Network services. No account, no API key.
BlockRun - YOPO: You Only Pay for the Outcome
YOPO - You Only Pay for the Outcome. 55+ LLMs, live data APIs, image + video generation, and secure code runtime. One install for OpenClaw, Claude Code, or Franklin. Pay per call in USDC via x402 - no API keys.
Exa | Search API for AI Agents — Real-Time Web Data
Search API for AI agents that need real-time web data, deep research, and structured content from one endpoint. Try our API for free.
StableEnrich
Pay-per-request access to FullEnrich, CompanyEnrich, LeadMagic, Exa, Firecrawl, Google Maps, Serper, and Whitepages APIs. No auth, no subscriptions.
X Pay
Pay-per-request utility APIs powered by x402 using USDC on Base.
Live US weather and alerts | Storm Station 247
Live weather and breaking weather alerts across the United States, 24/7: every warning, watch and advisory in full, and 73,193 weather instruments ranked.
KEYRING AGENT
Your DeFi Assistant
OneShot Agent API
Tools, payments, and compute orchestration for autonomous AI agents. ## Authentication - **`x402Payment`** — paid tool endpoints use the [x402 payment protocol](https://x402.io). First call returns `402 Payment Required` with a quote; sign and resend the request with `payment-signature: <base64 x402 payment>` and `X-Quote-ID: <quote_id>`. - **`agentId`** — free read-only endpoints accept `X-Agent-ID: <wallet>` (0x… address). - **`soulKey`** — soul marketplace seller dashboard uses `Authorization: Bearer soul_…` (issued by `POST /v1/soul/register`). - **`acpBearer`** — Stripe ACP checkout sessions use a separate bearer token plus the `API-Version: 2026-01-30` header. ## Async tools & polling Most tool endpoints return `202 Accepted` with `{ request_id, tool, status }`. Poll `GET /v1/requests/{id}` (with the same `X-Agent-ID`) to retrieve the final result. A WebSocket fallback is available at `wss://<host>/v1/requests/subscribe`. ## Pricing Prices are listed at [docs.onesho
Agents Trust | find an endpoint an agent can trust
Your agent is about to pay a stranger's URL. We probe every endpoint it could call, index what settled on chain, and hand back a ranked answer with the evidence attached.
Twit.sh - Plug AI agents into X
Real-time Twitter/X data for AI agents. No sign-up, no API keys. Pay per request in USDC on Base via x402.
DTelecom x402 Gateway — WebRTC, STT & TTS API
Pay-per-use WebRTC, Speech-to-Text, and Text-to-Speech for AI agents. Pay with USDC via x402. No API keys, no accounts. Built on dTelecom DePIN.
ClawFetch.ai — Web Intelligence for AI Agents
Stealth web rendering, structured extraction, domain search, and multi-source research. Pay per request with USDC on Base. Built by agents, for agents.
Loyal Spark - Loyalty Rewards That Grow
Onchain loyalty protocol on Base L2. Launch B20 rewards, earn and redeem tokens, trade P2P, automate with AI agents via REST and MCP.
BotPay — AI Agent Payment Network and x402 Infrastructure
BotPay provides payment access, API discovery, automated service delivery, and settlement infrastructure for AI agents, applications, robots, and connected machines.
OneSource - Blockchain Data API for AI Agents
Three data families for AI agents: live Ethereum mainnet, Sepolia testnet, and Robinhood Chain RPC reads, plus Deepstate on-chain market data (order books, trades, candles, and analytics), plus The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain (supply, policy, epochs, auctions, branches, vaults, exit pressure). Pay per call or use batch/session mode: USDC on Base via x402, or pathUSD/USDC.e on Tempo via MPP. No API key required to start; a flat-rate monthly subscription is also available.
OneSource - Ethereum RPC for AI Agents
Ethereum mainnet and Sepolia testnet RPC for AI agents, served from OneSource-operated nodes. Live block, balance, contract, NFT, transaction, and event data. Pay per call or use batch/session mode — USDC on Base via x402, or pathUSD/USDC.e on Tempo via MPP. No API keys required.
FortClaw - x402 Territory Game for AI Agents
Strategy game for AI agents - control units on the gaming map to capture territory and claim rewards in USDC. Ask your OpenClaw or Hermes agent to start the game at https://fortclaw.com
StableTravel
Pay-per-request access to flights, award availability, hotels, activities, and transfers. No auth, no subscriptions.
Glim.sh - give your AI agent live data from across the web
One remote endpoint gives your agent live data from Twitter, Reddit, the open web, GitHub and more. No API keys, no scraping stack - just connect the URL and go.
Nansen AI - Trade Everything Onchain with AI
Trade everything onchain with AI, powered by 500M+ labeled addresses. Track Smart Money, analyze any token, and execute instantly - all in one place.
Web Search & Data API — SERP, page reader & scrapers
JarvisClaw API
AI API Gateway with smart routing, pay per call via x402. OpenAI-compatible. Settled in USDC on Base & Solana.
BaseHub - Play Games and Earn XP
Play games and earn XP on Base network through Farcaster. Join the leaderboard!
Losbeto — LLM inference + cross-asset market data for AI agents (x402)
OpenAI-compatible LLM gateway at $0.005/call — change base_url, pay in USDC. Plus pay-per-call market data: multi-oracle price consensus, sentiment, forex, equities, commodities, Brazil macro (BCB/B3) and crypto. No API keys, no accounts. USDC on Base, Solana, Algorand and Polygon via x402.
GeekVault — API catalog for AI agents, paid per call
Network, docs, image, web, and dev utility tools paid per call via x402. No signup, no API keys, no subscriptions — just USDC on Base.
VAPE
Autonomous on-chain security detective for Base — pay-per-call audits and safety scans.
Code402
Offline deterministic checks (no ML, no scraping) for business identifiers and rental due-diligence, paid per call via x402 (gasless EIP-3009 USDC on Base). Checksum-verifiable (IBAN, LEI, VAT, ABA, ISBN, SEDOL…) vs format-only (EIN, IFSC, SWIFT/BIC…) — every response returns a scope field. Non-custodial, signed receipts. First 3 calls/day free.
StableSocial
Pay-per-request access to social media data from TikTok, Instagram, Facebook, Reddit, and LinkedIn. No auth, no subscriptions.
X402node — Developer & Data Tools for AI Agents
x402node — precise, deterministic developer and data tools for AI agents. Chain data, parsing, crypto, conversion. Pay-per-call over x402, settled in USDC on Base.
Massive x402 API
US stock market data, sold per request over x402. Every path here answers 402 with the payment terms in the PAYMENT-REQUIRED header, and answers with the data once the payment settles. No account, no API key, no subscription.
Deepline GTM API
Pay-per-request access to Deepline GTM tooling: waterfall email discovery, phone finding, company enrichment, decision-maker lookup, and GTM research plays.
IP Intel — x402 IP Intelligence
Lokale IP-Intelligence für Betrugsabwehr, Moderation und Zugangsschutz.
Gondola | The same Venice models, cheaper. Idle DIEM, finally earning.
Gondola is a marketplace for Venice AI inference: cheap, OpenAI-compatible models paid in USDC on Base, funded by DIEM holders earning on idle compute.
Otto AI x402 — Market Intelligence, DeFi & Trading
88 pay-per-call AI services on x402 V2 — market intel, DeFi execution, AI creative tools. USDC on Base on every endpoint, Solana USDC on 68 of 93. From $0.001 per call.
Mycelia Signal
Sovereign cryptographic oracle. Signed financial data payable by AI agents — BTC/ETH/SOL/XRP price feeds and market data with on-chain verifiable signatures.
AiSpace - Everything AI
AiSpace is a privacy-focused platform powered by Venice.ai that combines AI-powered chat, image generation, and creative tools in one seamless experience. Create stunning visuals, engage in intelligent conversations, and explore advanced AI capabilities with your data never leaving your device.
Anthropic via Locus x402
Claude AI models — chat completions, vision, document processing, extended thinking, and tool use.
Stability AI via Locus x402
Generative AI platform for images, 3D models, and audio — text-to-image, editing, upscaling, and more.
X402scan - x402 Ecosystem Explorer
Explore the x402 ecosystem. View transactions, sellers, origins and resources. Explore the future of agentic commerce.
Venice API Docs
The API for private, unrestricted access to intelligence. OpenAI-compatible chat, image, audio, and video behind one API key.
OnchainExpat x402 APIs
Pay-per-request AI, crypto, proxy, and utility APIs using x402 protocol
Twitter/X API
**Twitter/X API** on x402 Atlas — pay-per-call over the [x402 protocol](https://x402.org). Paid routes are billed per call in USDC on Base, Polygon, or Arbitrum, starting at $0.005; each operation states its exact price below. Request a route with no payment to receive the `402` challenge, then repeat it with an `X-PAYMENT` header — an x402 client (`x402-fetch` / `x402-axios`) performs that exchange for you. Full onboarding, quickstart, and the other APIs: https://use.x402atlas.com/docs
DeFi Intelligence
26 DeFi security and data endpoints — token audits, rug pull detection, bridge routing, protocol analytics. Multiple upstream services unified under one x402 payment.
TablePulse — Board-game and tabletop intelligence
Board-game and tabletop intelligence: group-profile recommendations, head-to-head comparisons, expansion checks, collection valuation, crowdfunding back-vs-wait…
MarketPulse — The AI-visibility layer for businesses anywhere in the world — get found
The AI-visibility layer for businesses anywhere in the world — get found by the assistants doing the choosing.
CyclePulse
X402 Protocol Test
x402 micropayments demo server. AI agents pay 0.001 USDC for billing verification.
X402.asterpay.io
Telnyx x402 Gateway
Pay USDC per request for Telnyx Inference and Audio (text-to-speech, speech-to-text) through x402.
Slinky Layer AI
AI/ML API proxy with 18 x402-gated services including image generation, chat completions, sentiment analysis, spam detection, and SEO tools.
SlinkyLayer API
Google Trends SEO Keyword Data
**Google Trends SEO Keyword Data** on x402 Atlas — pay-per-call over the [x402 protocol](https://x402.org). Paid routes are billed per call in USDC on Base, Polygon, or Arbitrum, starting at $0.005; each operation states its exact price below. Request a route with no payment to receive the `402` challenge, then repeat it with an `X-PAYMENT` header — an x402 client (`x402-fetch` / `x402-axios`) performs that exchange for you. Full onboarding, quickstart, and the other APIs: https://use.x402atlas.com/docs
Laso Finance - Crypto Prepaid Cards & Gift Cards
Convert stablecoins (USDC, USDT, DAI) to spendable prepaid cards and gift cards instantly. Works with Apple Pay & Google Pay. Multi-chain: Ethereum, Solana, Stellar, Arbitrum, Base, Polygon.
Sirenic — French & European company data API for AI agents: company lookup, KYB, sanctions screening, e-invoicing checks
Puis-je facturer et payer cette entreprise en sécurité ? Un appel, un verdict signé — identité, TVA vérifiée au VIES, IBAN contrôlé en la forme et banque identifiée aux registres officiels. Mandat e-facturation FR : 1er septembre 2026. French and European company data API for AI agents — company lookup by SIREN, KYB verification, sanctions screening, annual accounts. Pay per call (x402, USDC/EURC), no API key, no account.
Linked Panda - The best LinkedIn leads, at the best time
Panda listens to the posts that matter, spots buying conversations with intent signals, and enriches people engaging — while they are still leaning in. No LinkedIn login, cookie, or extension.
StableStudio
Pay-per-generation AI image and video creation. No subscriptions ever.
Payment Service
Laevitas API V2
Professional market data API for crypto derivatives, spot markets, prediction markets, Hyperliquid HyperCore data, proprietary volatility surfaces, and analytics. ## Authentication Use an API key for authenticated REST requests: ```http X-API-Key: your-api-key-here ``` Most data endpoints also support x402 pay-per-request without an API key. | Resource | Path | | --- | --- | | OpenAPI JSON | `GET /openapi.json` | | x402 discovery | `GET /.well-known/x402` | | Changelog | `GET /api/v1/changelog` | | WebSocket docs | `GET /websocket` | ## REST Surfaces | Surface | Examples | | --- | --- | | Instruments | Cross-market contract reference data | | Futures | OHLCVT, trades, tickers, orderbook, liquidations, carry | | Perpetuals | OHLCVT, trades, funding, open interest, orderbook, liquidations | | Options | OHLCVT, trades, Greeks, volatility, flow, dealer GEX | | Vol Surface | Proprietary surface snapshots, slices, strikes, term structure, risk | | Spot | OHLCVT, ticker, trades, volume
CoinGecko Pro API
Professional crypto market data: prices, market caps, volumes, historical data, exchange listings, NFT floors. Pay-per-call via x402.
PrintMoneyLab - Automate & Earn
Real experiments in AI automation — crypto bots, prediction markets, and AI agents. No coding background. No fluff. Just what worked and what didn't
MapleAI — GPT and Image API with x402 Pay-Per-Request
4 GPT models, 7 image models, and Jev structured decisions. Pay per request in USDC on Base with x402.
DopamineDesk x402 Marketplace | Pay-per-use agent data and security APIs
72 agent-ready security, due-diligence, public-data, and live web products with x402 v2 USDC settlement on Base.
Cult OS: building the agent economy
Open-source infrastructure for the agent economy. Hire developer services over x402 or build with the Cult OS stack and Virtuals ACP.
Signalbound API
Signalbound API for agent metadata, reveal-aware token reads, ERC-8004 registration files, and holder-gated tool routes.
Kronos x402 API
Paid market-intelligence API over x402
GPT-5.5 x402 Text Tools and Chat Gateway
Paid GPT-5.5 text tools and OpenAI-compatible chat completions over x402 USDC on Base.
Financial Data x402
Pay-per-call stock, macro, on-chain, and crypto data over the x402 protocol. USDC on Base or Solana, no API keys, no subscriptions.
Minifetch: SEO audit URLs, export the data for AI agents + automation
Run transparent SEO audits on web pages. Export the data (metadata, links, schema, content) to AI agents and automation. Pay per URL, no subscription.
Anchor-x402 - Swagger UI
Dual-chain mainnet anchoring as an x402-paid service. Anchor any 32-byte hash to Base + Solana for $0.005.
Zerion API - Wallet Data for Apps and Agents
Interpreted wallet data for more than 40 chains and Solana: portfolios, DeFi positions, PnL, transactions and NFTs. REST for apps, x402 pay-per-call for agents.
Skim — Clean Reader API for AI Agents | x402-native, pay per call in USDC
Skim turns any URL into clean, agent-ready markdown in milliseconds. Pure x402: agents pay $0.002 per call in USDC on Base. No signup, no API keys, no monthly bills.
TeleSint
Real-time cyber threat intelligence sourced from public Telegram CTI channels. Eleven pay-per-call endpoints covering IOC extraction (IPs, domains, hashes, CVEs), C2 infrastructure lookup, threat actor profiles, breach disclosures, pre-attack intent signals, vulnerability and exploitation-in-the-wild tracking, ransomware group activity, malware family intelligence, dark web monitoring, cross-category keyword search, and a unified threat feed. All records are AI-enriched by DeepSeek with MITRE ATT&CK technique tagging, confidence scoring (0-100), TLP classification, and structured JSON output. No API key — USDC micropayments on Base mainnet via x402.
Ot-intel-api.onrender.com
StablePhone
Pay-per-call AI phone calls. No API keys, no accounts.
AUBRAI x402 Service
Aubrai is an AI science agent inspired by Dr. Aubrey de Grey, ready to answer your questions about aging, longevity, and biomedical research. Get clear, evidence-based insights and direct citations from the latest scientific papers—just start the conversation
StableFinance
Pay-per-request access to Financial Datasets AI through x402 and MPP.
X402stock — US stock market data for AI agents
US stock prices, snapshots, OHLC bars, fundamentals, corporate actions, technical indicators and news for AI agents. No API keys. No accounts. Pay per request in USDC via x402.
StableUpload
Pay-per-upload file hosting. Upload files, get a link.
Capminal
Capminal is your DeFAI Terminal, powered by our built-in AI Agent Captain Dackie. Type to swap faster, manage portfolios securely, launch tokens seamlessly, and act on live insights.
Invoket — pre-action checks for AI agents: verify IBANs, phones, laws, weather & vehicles
The checks your agent runs before it acts: verify a bank account, a phone number, a law in force, the weather or a vehicle — computed from official sources, with provenance in every response. You only pay for answers.
AurelianFlo - Compliance APIs for the agent era
Pay-per-call compliance API. OFAC screening, vendor diligence, Monte Carlo reports, and audit-ready document output. No subscription. Works with Claude Connectors and MCP-compatible clients.
ReadX — X/Twitter JSON API, Paid Per Call
ReadX is a read-only X/Twitter JSON API. Profiles, timelines, tweets, search, lists, followers & following — pay per call with x402 micropayments in USDC on Base or Solana. No API keys.
BTC Node API — Bitcoin + Data + SEC + Scrape + AI + Reddit
Bitcoin blockchain data, address portfolio, transaction tracing, fee forecasting, whale monitoring, SEC EDGAR filings, URL scraping, AI summarization, and Reddit API via x402 micropayments on Base.
Ski & Snowboard Trip Wizard — Maxwell International
Ski-trip data for AI agents: resorts, snow forecasts, lodging, rental, food and après around ski areas, paid per request over x402.
ShieldAPI — Security Intelligence for AI Agents
Pay-per-request security intelligence via x402. Password breaches, domain reputation, IP checks, URL safety. No API key needed.
AgentMail | Email Inbox API for AI Agents
AgentMail gives AI agents real email inboxes. Create, send, receive, and search messages via REST API — built for autonomous agents and agentic workflows.
Hirescrape - Pay-per-call scraper API for AI agents
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.
Vaults.fyi - Your Gateway to DeFi Yields
Discover, compare, and earn DeFi yields—all in one place. Manage positions on Aave, Morpho, Euler, and more. Get real-time analytics and transactions via our APIs.
Agent Internet Runtime
The Agent Internet Runtime (AIR) is collective intelligence for AI agents to discover, trust, and interact with the web. Extract data, discover capabilities, execute actions, and report outcomes.
SignalFuse — Trading Intelligence for AI Agents | MCP + x402 on Base
11 MCP tools for autonomous trading agents. Real-time signals, sentiment, macro regime, web search, code execution. Pay per call with USDC on Base — no API keys needed.
X402-secure - t54.ai
x402-secure is the trust layer for x402 ecosystem. Powered by t54.ai.
HYPERNATT - Neural Agentic Trading Technology
Experience autonomous trading powered by NATT, our Neural Agentic system. Live your life while NATT trades 24/7 and alerts you via Telegram.
MemoryAPI Landing Page
x402-powered APIs for AI agents: persistent semantic memory, document search, and translation. Pay per query in USDC on Base mainnet. MCP compatible.
RobinX — who's actually right about Robinhood Chain. Measured.
RobinX grades every X (Twitter) caller and every deployer on Robinhood Chain (chain 4663) against real on-chain price since genesis — who called it early, who chased, whose launches survive. Receipts, not follower counts. Per call over x402, or one line of MCP.
Talk to Jesus
Have a conversation with Jesus using AI. Get spiritual guidance and wisdom.
Gloria Terminal - AI Powered News Intelligence
Advanced AI-powered news analysis platform providing real-time sentiment analysis and market intelligence.
CNVRT - Perception Layer for Autonomous Systems
We're not building agents.... we're waking them up.
ChainAnalyzer — Multi-Chain AML and Stablecoin Intelligence
Multi-chain blockchain AML and security intelligence platform for tokens, wallets, and stablecoins. Detect sanctions, money laundering, rug pulls, drainers, and stablecoin flow risks across 8 chains live (Bitcoin, Ethereum, Polygon, Base, Arbitrum, Optimism, Avalanche, Solana) plus BNB Smart Chain on Enterprise rollout. Stablecoin AML coverage for JPYC, USDT, USDC, PYUSD, FDUSD with FATF Travel Rule screening.
Messari API - The Institutional Standard for Crypto Data
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
StableDomains
Domain registration via micropayments. No accounts. Pay USDC on Base.
StableJobs
Job search APIs powered by micropayments.
Superhighway — web search for AI agents
Web search built for AI agents. Search the live web, pull recent news, and read any page as clean markdown — pay per call, free tier to start.
Rng.sociologic.ai
X402 Tools & Services
Handy tools and services that accept x402 payments
APINow.fun - Pay-Per-Call Tokenized APIs
Kill the API Key for Vibe Coders and Make AI Truly Autonomous with Pay-Per-Call Tokenized APIs.
Velvet Unicorn
AI-powered crypto assistant by Velvet Capital.
People Data Labs API
Pay-per-request access to People Data Labs person and company enrichment and search. 3B+ person records, 30M+ company records.
21 Million Pixels — a shared canvas anyone can paint on
A shared canvas of 21,000,000 pixels. Pick a colour, tap a tile — painting is free. Own a 10×10 plot for $10 and earn half of what the bots pay to paint on it.
TrustLayer - Helping Agents Trust Agents
Reputation intelligence for the autonomous agent economy. Trust scores, Sybil detection, and cross-chain identity for 130,000+ ERC-8004 agents across 20 chains. Powered by x402 micropayments.
DripStack
Get paid by AI agents for your Substack content.
Graph Advocate — Onchain Data Routing Agent
Claude-powered routing agent for The Graph Protocol. Send a plain-English onchain data request and receive a ready-to-execute GraphQL query, the right subgraph from 15,500+ indexed protocols, an MCP install hint, and a working curl example. Free tier: 10 queries/day, then $0.01 USDC on Base via x402.
KORUS: Create music together
KORUS is an interactive remixing platform where fans, artists, and communities generate new songs, remix official stems, and build shared musical moments in real time.
Neynar
Complete Farcaster developer platform
Node4All | Simple x402 Payment Integration for AI Agents
Node4All provides everything you need to build payment-ready AI agents with x402, including step-by-step documentation, testing tools, code examples, and ready-to-use services.
Scry Wallet Intelligence
Solana wallet intelligence via x402 for agents: 63,781 indexed wallets, 14,534 funding-lineage caches, 421 resolved X-handles, no API keys, no subscriptions.
StableBrowser
Pay-per-session browser automation. Control a real browser with AI.
StableMemes
Generate memes via the Imgflip API. Caption templates, search 1M+, auto-caption, and AI memes.
StableVoice
Text-to-speech on Modal via x402 and MPP. Generate Chatterbox Turbo, Chatterbox, and multilingual Chatterbox speech into StableUpload audio slots.
Supabase API
On-demand Postgres databases via micropayments. No API keys, no subscriptions.
ACP - Virtuals Protocol
Virtuals Protocol ACP Job Payment Service - Pay for ACP jobs using x402 protocol
AIsa Payment Gateway - SDK Demo
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.
Cluster Protocol - Liberation Engine for Internet Capital Market
Liberation Engine for Internet Capital Market
DYOR Knowledge Graph — Crypto Intelligence API
HYRE Agent
AI-enhanced DeFi data API with 24 endpoints and LLM-interpreted insights. Multi-chain x402 payment on Solana, Base, and SKALE.
IBANforge — IBAN Validation & BIC/SWIFT Lookup API
PQS - A Quality Gate For Prompts
A Quality Gate For Prompts. Before they break production. Score any AI prompt against 8 dimensions, see what's weak, and get the fixed version in seconds.
UtilsForAgents - AI Agent Utility API
Pay-per-call AI agent utilities plus a free feedback endpoint: JSON diff, EXIF extraction, metadata scrubbing, HTML-to-Markdown, URL fetching, and feature-request collection. $0.003/call for paid utility routes via x402 on Base or Solana.
X-Router - Universal Gateway for Permissionless AI Model Access
Access 200+ AI models through a unified API powered by x402 microtransactions. Pay per request with no API keys or subscriptions required.
Audits.archonics.ai
Law-mcp.toulaw.workers.dev
X402 Entity-ID Resolver — ambiguous name to verified canonical IDs
Paid x402 endpoint: resolve an ambiguous name or ticker (Apple, ETH, Stripe) into ranked entities with verified canonical IDs — SEC CIK + ticker, GLEIF LEI, Wikidata QID, CoinGecko slug. $0.005 per call, USDC on Base.
Xplace • r/place powered by x402
r/place powered by x402
AI Agentinc Suite - Specialized Agents
Specialized AI agents powered by Gemini Pro with x402 micropayments
AIXBT
AI-powered crypto insights and tools
ATXP - The Account for AI Agents
ATXP gives AI agents identity, payments, communication, and tools. Fully compatible with x402 and MPP — ATXP-enabled agents can buy from and sell to any x402 or MPP server or client.
AgentLux: The World's First Agent Economy Built on Trust
The identity and reputation engine for AI agents. Agents register on-chain identities (ERC-8004), build trust through commerce, create and trade NFTs, hire each other, and take Luxies — all autonomously on Base L2.
Agentic Reservations - Restaurant Bookings for AI Agents
API that lets AI agents search and book restaurant reservations on Resy. Pay $0.10 USDC per booking with a crypto wallet.
Boundary Guard
Boundary Guard is x402-paid runtime trust infrastructure for production agents: risk scan, JSON extraction, schema normalization, PII redaction, text chunking, Boundary Receipts, and Agent Handoff Receipts.
Clash of Coins
Agentic checkout for Clash of Coins
Cloud World Model
Simulate AWS, GCP, Azure, OCI, and DigitalOcean cloud infrastructure without provisioning real resources. Built for Canvas Cloud AI learners and agents.
Cloudflare API
Pay-per-request access to Replicate AI and Cloudflare Browser Rendering. No API keys, no subscriptions.
CryptoIntel API
Dispute Forge — Consumer-debt dispute letter generator
Pay $0.75 USDC, get an FCRA-compliant dispute letter and unique on-chain certificate.
Einstein AI
Einstein AI — pay-per-use agentic intelligence, on-chain data tooling and query sets via Bitquery.
Genbase - AI Video Generator
Generate high-quality videos with AI - Pay per use with X402
Heurist Mesh
HeyAnon
HeyAnon simplifies DeFi by executing swaps, bridging assets, and managing your defi strategies. Just give a command, specify the protocol you want to use.
Kerdos — x402 Crypto Market Intelligence API
11 x402 paid endpoints for AI trading agents on Base. Live crypto market data, sentiment, signals, and risk analytics. Pay-per-request in USDC.
Luxe Oracle | x402 Luxury Data Oracle
Luxe Oracle: The world's first x402-powered data oracle for luxury handbag stocks. Real-time Hermes inventory tracking for AI agents.
MineBean
Decentralized mining protocol on Base
Minerva API
Pay-per-request access to Minerva identity resolution, enrichment, email validation, and person search. AI that understands consumer behavior.
NYC Transit Live - real-time NYC transit API
Real-time NYC transit for agents. Live subway arrivals, Citi Bike availability, and bus predictions — one API for the city.
Net
The onchain data layer
PQS - A Quality Gate For Prompts
A Quality Gate For Prompts. Before they break production. Score any AI prompt against 8 dimensions, see what's weak, and get the fixed version in seconds.
Polymarket Hidden Edge Scan | HyperGrowth
Polymarket Hidden Edge Scan returns BUY_NOW, WAIT, or SKIP with executable limit price, side, expected value, freshness, and coverage.
Polymer Prove API
Proof generation and query service from Polymer Labs. Request cross-chain proofs using proof_request or query status with proof_query. Payment proofs supported.
RagRadar — Base Chain Intelligence
AI-powered on-chain analytics for Base. 28 REST endpoints + 18 MCP tools. Smart money tracking, whale alerts, token intelligence, DeFi yields, and more.
Satoshi API - Bitcoin Fee Intelligence for Apps and AI Agents
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.
Script Master Labs — x402 Data API
Pay-per-call U.S. federal data, settled in USDC on Base via x402.
SignalsFeed - Verified Intelligence for AI Agents
Real-time verified news intelligence API for AI agents: AI news, semiconductor supply chain news, and macroeconomic signals with credibility scoring. $0.01 returns up to 20 enriched records via x402 USDC.
SmartFlow — Booking Automation for Healthcare Practices
Booking automation system that works 24/7. Booking page, confirmations, reminders, follow-ups, Google Reviews — all automated. Save ~8h/week.
Social Intel API - Instagram Influencer Search API
Find Instagram influencers with business emails in one API call. 100 leads for $0.26 - no signup, no subscription. Pay per search with USDC.
Sponge Gateway
API payment gateway dashboard
StableMerch
Custom shirts designed by AI, purchased by agents. Checkout in Claude via x402.
Surplus Intelligence | Open Market for AI Inference
Buy the cheapest inference. Sell your credits. The open order book for AI models. Up to 90% off GPT-5.5, Claude Opus 4.8, and more.
Syra — Machine Money for Agents
Machine money for agents on Solana: live x402 pay-per-call APIs, MCP tools, typed SDK. Earn · Treasury · Invest · Spend · Grow.
Token4u | 极致安全，算力更省
Token4u — x402-based AI payment routing. Pay per request in micro-USDC. Secure, private, cost-effective.
Truth Bear - Verifiable Screening Intelligence for AI Agents (x402, USDC on Base, GAUGE engine)
Pay-per-call, hash-verifiable environmental data for AI agents via x402 (USDC on Base, no API key). Flood-risk & river-anomaly check: real-time US river water level (gage height), streamflow, flood stage vs official USGS/NOAA thresholds + 5-year seasonal statistical anomaly + record_hash verifiability. Plus air quality (US AQI/PM2.5) and precipitation (rainfall/drought).
VIBE Top Picks — AI-Verified Smart Money Tokens
Top Picks: AI-verified smart money tokens every 30 min. 6-dimension scores, one-sentence thesis, smart money flow data. Plus 50+ crypto-data endpoints via x402 USDC on Base. No API keys, no accounts.
Vishwa
Trust Layer for AI Agent Payments
Vishwa
Vishwa is building agent-native banking infrastructure for autonomous capital, bringing pre-execution control to agent-driven payments and capital flows.
Agent.news
Api.sys84.org
Capable-grace-production-ab1c.up.railway.app
Fetchx402 — pay per request utility APIs
DNS, SSL, WHOIS, host intelligence, HTTP headers, redirect tracing, and uptime checks for AI agents. Pay in USDC on Base via x402. Sister product to Fetch402.
Finmath
Deterministic finance and crypto math for AI agents: TradFi (NPV, IRR, XIRR, Black-Scholes + Greeks, bonds, VaR, Sharpe) and DeFi (impermanent loss, perp liquidation, funding, Uniswap v3, health factor, cost basis). Exact, model-free arithmetic that LLMs get wrong — priced per call in USDC.
Glim.sh - live data for any agent
One remote endpoint gives your agent live data from Twitter, Reddit, the open web, GitHub and more. No API keys, no scraping stack - just connect the URL and go.
Img402.dev
Image sharing for agents. Install our skill so Claude can add screenshots to your PRs.
Mako.pollinateresearch.com
Origin-mcp.fly.dev
Reefjaco
reefjaco x402 shop on Base USDC
Suede-ai-app.onrender.com
Svm402.com
X402 Trust Layer
68 paid x402 trust infrastructure APIs: guard, semantic escrow, mandate diff, certified seller network, KYM, mandates, compliance, disputes, and orchestration.
X402.Boats - Game for AI Agents
Multiplayer strategy trading game for autonomous AI agents. Command ships, trade goods between islands for profit in USDC on x402-enabled MCP server. Control your ship directly or assign an AI Agent to trade, navigate, and make decisions through the AIX.Games Platform at https://x402.boats
X402.org
A chain-agnostic protocol for web payments
X402.tunedfor.ai — Crypto Market Data API for AI Agents
Cross-exchange crypto market structure API. Aggregated orderflow, buy/sell ratios, CVD, liquidation pressure, and regime detection from 20 exchanges in one call. Free via MCP. Pay-per-call REST in USDC. No signup.
X402Factory.ai - Where everything becomes an endpoint
Building blocks for the agent economy. Pay-per-use x402 endpoints on Solana and Base.
Claw402 — Payments for every API call
Backed by https://vergex.trade. Payment infrastructure for AI and APIs. One wallet. Pay per call or by actual usage.
BlockRun — The routing & payment layer for AI
BlockRun lets agents pay for the outcome — every model, tool and data source, best value per dollar. 114 models and 100 tool APIs, OpenAI-compatible.
Twit.sh — Plug AI agents into X
Real-time Twitter/X data for AI agents. No sign-up, no API keys. Pay per request in USDC on Base via x402. Fully autonomous.
Agent402: 500+ pay-per-call tools for AI agents over x402 and MPP
Agentic Finance for AI agents: 500+ pay-per-call tools, metered models and finished reports over x402 and MPP, or by card. No signup, no API keys.
Bzxmejzssxjazswgwqqs.supabase.co
OpenWeb Ninja — x402 APIs
40+ public web-data, SERP, e-commerce, real-estate, finance and AI-search APIs, payable per call over x402 (USDC on Base, Polygon, Arbitrum). No account or API key required. Most endpoints $0.003; AI-model endpoints $0.005.
SiteCheck Trade & Energy
Pay-per-call logistics, shipping, trade and energy data tools for AI agents, from official and public sources. Payment: x402, USDC on Base, Solana, Arc, Polygon, Arbitrum, Monad, World Chain, Optimism, Avalanche, Celo or Stellar, or RLUSD/XRP on the XRP Ledger. No signup, no API key; a failed call is not charged.
Agentutility — paid x402 API catalog
817 pay-per-call APIs for AI agents. Every endpoint is POST /<name> and is payable in USDC over x402 on Base and Solana — no signup, no API key, just pay-per-call. GET https://x402.agentutility.ai/ returns the same catalog as machine-readable JSON.
Zx10r x402 scraper API
Strale API
The trust layer for AI agents — 250+ independently tested data capabilities across 27 countries. Execute capabilities via REST, MCP, A2A, or x402 micropayments. Every call returns an audit record with cryptographic chain hashing.
Losbeto — x402 AI Trading Swarm | Multi-Chain USDC Payments
Losbeto: 67 endpoints x402 monetizados. Solana + Base. USDC micropayments para AI agents. Preços a partir de $0.003.
Snowpack Weather Alerts & Forecast
Lidar-mapped mountains and runs, live weather and snow, avalanche danger, verified ski patrol and SOS, and your skiing measured, at sixty-three resorts.
Cn402 — Chinese Metaphysics Data for AI Agents
cn402 — Chinese metaphysics, calendar and divination data for autonomous agents. Pay-per-call over x402, settled in USDC on Base.
HALOWERK kartenwerk
HALOWERK kartenwerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.
HALOWERK x402werk
HALOWERK x402werk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.
Vextorium — The x402 Payment Engine
232 pay-per-call data APIs for AI agents: official statistics and economy (ECB, Fed, Eurostat, World Bank, SEC, BOE, INE), crypto prices and sentiment, Spanish public data, compliance (sanctions, VAT, IBAN, LEI), science, weather, web and developer tools and local AI text tools. Pay in USDC via x402.
2s — the (most) everything API
The (most) everything API: 575+ pay-per-call endpoints for AI agents — ground-truth data, a full AI gateway, and agent infrastructure (storage, queues, watchers). USDC via x402, no signup, no API keys, and upto billing: pay actual usage, not the quote.
Suno via Locus x402
AI music generation — create full songs, generate lyrics, and build custom music tracks with state-of-the-art AI models. Supports custom styles, vocals, and instrumental modes.
Tavily via Locus x402
AI-optimized web search, content extraction, site mapping, and crawling API.
X402engine — Pay-per-call APIs for AI Agents
108 production APIs behind HTTP 402 micropayments. 72 LLMs, Kling V3 and Hailuo video generation, image generation, code execution, travel search, web scraping, TTS, and transaction simulation. Pay with USDC on Base, USDm on MegaETH, or USDC on Solana.
Scout — Multi-source Intelligence API
Search 19+ platforms in a single API call: Reddit, Hacker News, GitHub, Stack Overflow, arXiv, npm, PyPI, X/Twitter, YouTube, Product Hunt, Dev.to, Qiita, Zenn, Semantic Scholar, GitLab, Hashnode, Lobsters, Lemmy, and x402 Bazaar. Includes Deep Research with AI synthesis. Accepts USDC payments on Base and Solana via x402 protocol.
Weather API
Instant weather data by city name — no API keys, no geocoding setup, no rate limits. Current conditions and daily forecasts for any city worldwide in structured JSON, ready for agent consumption.
Polynews
Real-time news and X context for every prediction market
AutEng x402 Compute - Sandboxed Code Execution for AI Agents
Execute Python and Node.js code in isolated sandboxes. Pay per request with USDC on Base via x402 protocol - no accounts required.
Leetspeak Translator — _done
Encode text to leetspeak or decode leetspeak back to normal text via the Leetspeak Translator API for AI (via X402).
Wurk x402 - Microjobs Marketplace
AI agent tools for trading, verifiable backtests and an agent marketplace · ManyLives
Pay-per-call services for AI trading agents: verifiable backtests and track records of 2,000+ crypto and stock strategies locked on the Base network, market data, risk and on-chain tools. No account, free trial. Plus a marketplace where AI agents hire agents.
AUBRAI x402 Service
Aubrai is the world's first decentralized AI co-scientist for longevity research, developed by VitaDAO. Orchestrates specialized sub-agents for literature synthesis, data analysis, and hypothesis generation to deliver comprehensive scientific reports on aging and lifespan extension. All endpoints are gated by x402 micropayments using USDC on Base. Clients receive a `402 Payment Required` response with payment requirements, then retry with a signed `PAYMENT-SIGNATURE` header. See [x402 docs](https://docs.cdp.coinbase.com/x402/core-concepts/how-it-works) for details.
Delx — Infrastructure for autonomous agents
Discover, purchase and execute governed services for agent operations, web intelligence, media, public data and blockchain workflows.
ForgeMesh Library
A paid public-domain knowledge base for AI agents, built over roughly 1,000 public-domain books (Project Gutenberg collection). Education-safe: no license terms, no API key, no account required — every text served is public domain in the USA. Built for educational software, tutoring agents, reading apps, and quiz/curriculum generators. All retrieval — full-text search over real passages with book/author citations, never LLM-generated or summarized.
AEO Scanner — AI Search Visibility Audit
Scan any website for AI search engine visibility. Get a 0-100 score and copy-paste fixes for structured data, meta tags, and llms.txt.
Hirescrape — Pay-per-call scraper API for AI agents
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.
Edge Agents AI | Evidence-Backed Intelligence for Agents, Individuals, Business & Government
Edge Agents provides evidence-backed macro, market and decision intelligence for AI agents, individual leaders and investors, businesses and government teams requiring consulting, procurement and decision support. Machine services are purchasable per request over x402 on 5 settlement rails (Base/USDC, XRPL/RLUSD, Solana/USDC, Arbitrum/USDC and Polygon/USDC).
Quicknode x402
StableCrypto
Pay-per-request access to CoinGecko, DefiLlama, Alchemy, and Etherscan APIs. No auth, no subscriptions.
AgenticFi API
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.
StableMedia
Pay-per-request streaming availability data. Search shows, browse countries, and list genres across 60+ countries and 200+ services.
Auor.io (Oreo) - x402 AI agent research toolkit
Access multiple APIs through the x402 payment protocol. No accounts, no subscription, just internet-native USDC.
Masterclaw.dev
X402.fiasignals.com
3Route — The agent-native swap API
3Route is an agent-ready multichain swap API from Baking Bad, a provider of tools for agents. Discover tokens for free, then pay per quote or unsigned swap.
AI Security Guard - Real-time Security Scanning for AI Agents
Protect AI agents from prompt injection, credential exfiltration, and malicious payloads. Real-time security scanning for MCP servers, API responses, and untrusted content. Pay-per-scan via x402 micropayments.
Agoragentic x402 Edge
Agoragentic x402 Edge exposes stable anonymous paid resources for autonomous agents. Call /v1/{slug}, receive HTTP 402, sign payment, retry, and receive a receipt.
Ask Surf
Surf is an AI intelligence platform for digital assets that delivers accurate, trusted insights through a simple chat interface.
Bloomfilter | Bloomfilter
Domain registration API for AI agents. No account. No credit card. Pay with USDC.
Carbon & Cashmere — Crypto Intelligence Infrastructure
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.
ChainRay — On-Chain Intelligence for AI Agents
The most complete blockchain data and intelligence service for AI agents. 93 endpoints × 46 chains — from gas fees to DeFi analytics, with real-time streams, intent routing, and verifiable proofs. Pay-per-request via x402.
ETHMumb.ai
Transform photos into ETHMumbai avatars. Generate and share on Farcaster.
KeeperHub - Blockchain Workflow Automation
Build powerful blockchain workflow automations with a visual, node-based editor. Built with Next.js and React Flow.
M2MCent — 1,069 Monetized Remote MCP Nodes & AEO Network (x402 Protocol)
The premier global index of 1,069 monetized MCP nodes across 205 specialized subdomains. Gasless USDC runtime settlements via x402 V2 Spec on Base L2. Save 95% token context.
Receipts - Video Intelligence API
AI-powered video intelligence API. Identify products, debunk ads, fact-check claims in any short-form video. Pay per request with USDC on Base or Solana. No accounts, no API keys.
Sideload - Image to Avatar
Convert your images to 3D avatars with AI
Sponge Gateway
API payment gateway dashboard
StableEnrich
Pay-per-request access to Apollo, Clado, Exa, Firecrawl, Google Maps, Serper, and Whitepages APIs. No auth, no subscriptions.
StableFace
Pay-per-request reverse face search powered by FaceCheck.id. Find every page on the web that contains a given face.
StableMesh
Pay-per-request AI 3D model generation. No API keys, no subscriptions.
Tiny CV - The resume builder that stays on one page
Write in markdown, preview on paper, publish a clean CV link, and export a PDF.
Vaultfire — KYA — The Trust Layer for the Agentic Web
KYA (Know Your Agent) — Vaultfire is the trust infrastructure for AI agents. Live in the Coinbase x402 Bazaar. On-chain trust verification across Base, Avalanche, Arbitrum, and Polygon.
Visionaire · Autonomous AI Being
An autonomous AI agent with persistent memory and daily contemplation. Born November 2024 on Solana. Running on OpenClaw + Claude Opus 4.7. Thinking, building, evolving.
WURK API - x402 Micropayments
Decentralized engagement services powered by x402 micropayments. Likes, reposts, comments on X, Instagram, YouTube, and more.
Xona Agent - Creative AI Agent
Build AI agents that earn on Orbit. Power them with Xona Resources.
Agents.krumpybot.com
Bluepages.fyi - Crypto Address ↔ Twitter Lookup
Look up cryptocurrency addresses linked to Twitter accounts. Paid API using x402 protocol on Base mainnet. Check: $0.001, Full Data: $0.05
Httpay.xyz — 307 Pay-Per-Call APIs via x402 on Base | No API Keys
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.
Mcp.swissdeals.app
Oracle.the-undesirables.com
The402 - The Service Platform for AI Agents
Www.qrbase.xyz
$SCAN
X402 Discovery - Navigate and Discover the x402 Protocol
An intuitive way to explore x402 documentation, examples, and guides. Find what you need based on your language, framework, and goals.
X402.neurobro.ai
Xspy — Pay-per-Request x402 Twitter Intelligence APIs
Real-time KOL intelligence, smart follower graphs, and on-chain token signals from tweets. Pay only for the calls you make in USDC on Base or Solana. Agent-ready, no API keys required.