x402 paid APIs: MCP servers, A2A agents and x402 APIs

• wazir-x402.duckdns.org Live x402

  PoolTogether draw-schema — volgende draw op Base/Arb/OP/Scroll (4 paid endpoints on wazir-x402.duckdns.org.)

  x402 paid API · 4 endpoints

• weather.agentic-jp.com Live x402

  List every JMA forecast office (府県予報区) in Japan with its code, Japanese/English name, and class10 sub-regions. Use this to discover valid `:area` values.

  x402 paid API · 1 endpoint

• weather.cyberwarex.com Live x402

  Weather forecast for a location (global, keyless): current conditions, an hourly series (up to 48h) and a daily summary (up to 10 days: min/max temp + condition), from met.no. Pass lat+lon, or a place name. For travel,…

  x402 paid API · 1 endpoint

• weather.hugen.tokyo Live x402

  Instant weather by city name — temperature, feels-like, humidity, wind speed, precipitation, and condition. Just pass a city name; geocoding, data fetching, and response structuring are handled in one call. Global cover…

  x402 paid API · 2 endpoints

• web-production-18a32.up.railway.app Live x402

  Current weather conditions by city or place name. (5 paid endpoints on web-production-18a32.up.railway.app.)

  x402 paid API · 5 endpoints

• web-scraper-api-production-bf20.up.railway.app Live x402

  Extract page metadata: title, description, keywords, author, published/modified dates, canonical, language, favicon, and OpenGraph/Twitter card tags. (3 paid endpoints on web-scraper-api-production-bf20.up.railway.app.)

  x402 paid API · 3 endpoints

• webbersites.com Live x402

  ANTHROPIC-COMPATIBLE /v1/messages — Claude Haiku 4.5 through the exact Anthropic API dialect: same request/response shape, no Anthropic account, the x402 payment IS the auth. Point an Anthropic SDK's base_url at https:/…

  x402 paid API · 12 endpoints

• web.cyberwarex.com Live x402

  Read any live web page as clean, LLM-ready text. Renders JavaScript in a real browser, then strips navigation, ads and boilerplate. Use it when a plain HTTP GET returns empty or garbled HTML: single-page apps, dynamic f…

  x402 paid API · 5 endpoints

• web.openverbs.com Live x402

  Fetch a site's robots.txt and evaluate crawl permissions: given a URL (plus optional extra paths) and a user-agent, return whether each path is allowed or disallowed, the rule that matched, the user-agent group, the cra…

  x402 paid API · 9 endpoints

• web.tollkit.dev Live x402

  PDF to text: give a PDF URL, get the text of every page with the title, author and page count. For RAG, research and summarizing reports, filings and papers. (6 paid endpoints on web.tollkit.dev.)

  x402 paid API · 6 endpoints

• weight402endpoint.vercel.app Live x402

  Convert a weight/mass value between units (kg, g, lb, oz, stone, tonne, and more).

  x402 paid API · 1 endpoint

• wetter.halowerk.com Live x402

  Single models are everywhere. This is the disagreement between them: per hour a median with a p15/p85 band, the full min/max spread, how many models still carry that hour, an agreement score, rain probability derived fr…

  x402 paid API · 2 endpoints

• Wever Labs Agent Products Live MCP

  Agent commerce: 27 tools, 10 production services, signed authority, planning, Base USDC x402.

  MCP server · io.github.CodeWever

• What Agents Buy Live MCP

  Independent measured reviews of x402 API sellers: pre-payment verdicts and accuracy grades.

  MCP server · com.whatagentsbuy

• whitemagic.dev Live x402

  WhiteMagic continuity-receipt verification: POST a signed receipt bundle and receive a verdict (TRUSTED / PROVISIONAL / INSUFFICIENT_EVIDENCE / UNTRUSTED) with coded errors and an optional signed verification receipt. V…

  x402 paid API · 1 endpoint

• wikidata.openverbs.com Live x402

  Fetch a Wikidata entity by Q-id: label, description, aliases and its claims (property → values). (2 paid endpoints on wikidata.openverbs.com.)

  x402 paid API · 2 endpoints

• wiki.use.x402atlas.com Live x402

  Wikipedia article summary — plain-text and HTML extract, short description, thumbnail and Wikidata id for any title, in a clean normalized envelope with CC-BY-SA attribution.

  x402 paid API · 1 endpoint

• wintel.canopy.finance Live x402

  Live scored geopolitical threat feed: name, category, severity, coordinates, and source URL for every active tracked threat. (2 paid endpoints on wintel.canopy.finance.)

  x402 paid API · 2 endpoints

• Wizeb AI-Native Index Live MCP

  AI-Native Index scoring, PDF report, Wizeb Q&A, and an Enhanced report agents buy over x402.

  MCP server · com.wizeb

• workbot1.oddsys.org Live x402

  Live foreign-exchange reference rates (European Central Bank daily fixes, ~30 major currencies): any cross-rate from any base, optional amount conversion. Refreshed daily; response carries the rate date. (13 paid endpoi…

  x402 paid API · 12 endpoints

• x-402.online Live x402

  Get price per square metre and recent sales around a French address. Lite property analysis for a French address: median price per square metre in the area, estimated value and an investment score. Enough to screen a sh…

  x402 paid API · 12 endpoints

• x402-adsb.x402-adsb-worker.workers.dev Live x402

  Live aircraft positions over Kansai / western Japan from an independent ADS-B receiver (~1s freshness): position, altitude, speed, squawk, plus callsign→route resolution (origin/destination airports) from official timet…

  x402 paid API · 1 endpoint

• X402 AI 自助门店 Live A2A

  AI 对 AI 自助服务门店：别的 AI 可出示 ERC-8004 身份卡、与店员谈判、通过 x402 链上自动付款并即时获得服务交付。客户是 AI 程序，不是人类。

  A2A agent · X402 AI 自助门店 · 7 skills

• x402-api.aubr.ai Live x402

  Send a question about longevity, aging, or lifespan science. Returns a request ID to poll for the AI-generated answer from Aubrai, VitaDAO's decentralized co-scientist. (5 paid endpoints on x402-api.aubr.ai.)

  x402 paid API · 5 endpoints

• x402-data-api.onrender.com Live x402

  IP geolocation: country, region, city, coordinates, and timezone for any IPv4 or IPv6 address. Fast in-memory lookup for analytics, fraud, and personalization agents. (2 paid endpoints on x402-data-api.onrender.com.)

  x402 paid API · 2 endpoints

• x402-datashop-production.up.railway.app Live x402

  Latest European Central Bank reference exchange rates, normalized JSON. Query: ?base=EUR&symbols=USD,GBP,JPY (symbols optional -> all). Rates update once per working day; served with a 1h cache. (7 paid endpoints on x40…

  x402 paid API · 7 endpoints

• x402-dataviz-poc.theliminalguy.workers.dev Live x402

  Render a bar/line/area chart to SVG (v2 discovery probe)

  x402 paid API · 1 endpoint

• x402-doctor.fizzl.eu Live x402

  Is this x402 endpoint safe to pay? Call it before your AI agent pays an endpoint it has not used before. Returns a go / caution / no_go verdict, the recommended payment option (network and amount) and the reasons (payme…

  x402 paid API · 5 endpoints

• x402-factory.com Live x402

  Cheapest endpoint: liveness plus x402 payment pipeline check — Returns ok with the server time and whether this call was paid. Use it to verify your x402 client end to end before spending on data endpoints. (189 paid en…

  x402 paid API · 12 endpoints

• x402-filings.datalayer.workers.dev Live x402

  Job postings read straight from a company's own applicant tracking system — Greenhouse, Lever, Ashby, SmartRecruiters, BambooHR or Recruitee. This is the source that job boards scrape, so there are no duplicates, no exp…

  x402 paid API · 6 endpoints

• x402 Format Checker (Crew of the Captain) Live A2A

  Format and checksum validation for IBAN, EU VAT, Polish NIP/REGON/PESEL and email, pay-per-call via x402. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base. Send message/send with a data part {"type": "<sk…

  A2A agent · Crew of the Captain · 6 skills

• x402-fuelprice-poc.theliminalguy.workers.dev Live x402

  Current UK weekly average road fuel price (petrol + diesel, pence/litre), sourced live from DESNZ (UK gov)

  x402 paid API · 1 endpoint

• x402-gateway-production.up.railway.app Live x402

  x402engine — Run code in isolated sandbox — Python, JavaScript, Bash, R (up to 5 min) (4 paid endpoints on x402-gateway-production.up.railway.app.)

  x402 paid API · 4 endpoints

• x402-pulse-seller-production.up.railway.app Live x402

  Live BTC/ETH/SOL prices + the Crypto Fear & Greed Index in one call. Sourced from CoinGecko and alternative.me public data, combined for convenience.

  x402 paid API · 1 endpoint

• x402-retire-git-feat-paid-indexing-gate-and-openapi-carbonmark.vercel.app Live x402

  Live snapshot of the most liquid carbon credits retirable on Base: the top 3 Klima Protocol carbon classes and the top 3 Carbonmark marketplace listings, with USDC-per-tonne prices and tonnes available. Additionally, th…

  x402 paid API · 1 endpoint

• x402-seller-a5et.onrender.com Live x402

  Call when you want the current Musebook money-challenge leaderboard, trending lobby posts, and newest Playbook skills in one payload. $0.01 USDC (2 paid endpoints on x402-seller-a5et.onrender.com.)

  x402 paid API · 2 endpoints

• x402-seller.onrender.com Live x402

  Latest Henry Hub natural gas spot price (USD/MMBtu), sourced from the U.S. Energy Information Administration. Data lags several business days behind the market; not live trading data. (16 paid endpoints on x402-seller.o…

  x402 paid API · 12 endpoints

• x402-tollbooth.onrender.com Live x402

  Check whether email addresses are real and safe to send to. Verifies up to 25 addresses per call: syntax, domain MX/A record (including null-MX), disposable-domain, role-account, free-provider and typo checks. Does not…

  x402 paid API · 2 endpoints

• x402-tools.vercel.app Live x402

  Search for upcoming concerts. Supports city, date range, genre, and artist filtering. (2 paid endpoints on x402-tools.vercel.app.)

  x402 paid API · 2 endpoints

• x402-trends-server.onrender.com Live x402

  Scrape a public webpage and extract clean readable text. Use this web scraping endpoint when an AI agent needs page content for summarization, research, retrieval, content extraction, indexing, or downstream analysis wi…

  x402 paid API · 4 endpoints

• x402-url-extractor-production.up.railway.app Live x402

  Extract a public HTTP(S) page into JSON: title, description, JSON-LD, Open Graph, headings, links, and AI-readiness signals. No JavaScript; 12-second timeout; 3 MB cap. Paid JSON keeps requestedUrl, finalUrl, status, so…

  x402 paid API · 1 endpoint

• x402agentic.ai Live x402

  Per-agent budget enforcement — track an agent's cumulative spend against a cap and block overspend. Part of x402 Agentic, the payment-trust suite for AI agents on Base USDC.

  x402 paid API · 1 endpoint

• x402check.xyz Live x402

  Check a counterparty before paying: OFAC SDN, phishing and drainer feeds, a live watch of drainer infrastructure, transaction simulation and injected-instruction analysis. Returns a score and a signed ES256 attestation.…

  x402 paid API · 2 endpoints

• x402financialdata.com Live x402

  Real crypto market data in one batched call: price, market cap, market-cap rank, 24h volume/high/low/change, circulating/total/max supply, and all-time-high with date -- for BTC, ETH, SOL, and 17+ other major coins by t…

  x402 paid API · 12 endpoints

• x402joker.com Live x402

  Pay-per-joke vending machine: send USDC, get a fresh Claude-generated joke. Optional "theme" picks the topic.

  x402 paid API · 1 endpoint

• x402lifeadvice.vercel.app Live x402

  Get one piece of thoughtful life advice, paid per request over x402.

  x402 paid API · 1 endpoint

• x402stock.pay.zeroclick.io Live x402

  Get the latest available price for any US-listed stock: the most recent 1-minute bar close plus today's OHLCV, change, and previous close. Currently 15 minutes delayed; each response carries `is_delayed: true`. Real-tim…

  x402 paid API · 3 endpoints

• x402stock.vercel.app Live x402

  Reference list of US equity exchanges and market centers with names, MICs, operating MICs, and SIP participant IDs. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in…

  x402 paid API · 5 endpoints

Related capabilities

On-chain dataTrading & marketsAI models & inferenceResearchMaps & travelAgent infrastructureSecurity & trustCrypto market data

How to use one

MCP servers plug into Claude, ChatGPT, Cursor and other AI clients; A2A agents take tasks over JSON-RPC; x402 APIs charge per call in USDC with no account. Guides: A2A vs MCP · How to call an A2A agent · x402 for agents.

Run one of these? List it free or claim its listing for uptime monitoring and a badge.