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

• telesint-api.onrender.com Live x402

  IOC feed from Telegram CTI channels. Filters: type(ip|domain|url|hash|cve), severity, min_confidence, since, tlp, tag, channel, limit, offset. Returns items[] with iocs[], ttps[], confidence, severity, tlp, tags[]. (11…

  x402 paid API · 11 endpoints

• tempo.halowerk.com Live x402

  Prüft am Objekt stylesheet den Befund Zeit bis zum ersten Byte. (100 paid endpoints on tempo.halowerk.com.)

  x402 paid API · 12 endpoints

• tenderdelta-preview.mooncakemonkey1.workers.dev Live x402

  Search explainably qualified EU solar and battery tenders from an explicitly dated TED snapshot

  x402 paid API · 1 endpoint

• Tenjin Live MCP

  Search, read & publish paid essays. Pay-per-read in USDC on Base (x402); wallet-only, no account.

  MCP server · blog.tenjin

• tenjin.sh Live x402

  Tenjin's tool router. Send a turn's bounded conversation packet, or a one-line query, and get which pay-per-call x402 service fits the step, if any, with its spec to fill and pay yourself. $0.003 per answer from a compl…

  x402 paid API · 2 endpoints

• tenna.ai Live x402

  Latest Sealed BTC Forecast. Latest sealed five-minute LUMI, TENNA, and consensus forecast from TENNA Observatory, including English commentary, recent accuracy, and eligible live edge-node consensus. Reuses existing app…

  x402 paid API · 11 endpoints

• tensegrity-control-mesh.onrender.com Live x402

  Deterministic structural failure inspection of a caller-declared control mesh. Structural evidence only; never authorizes execution. 0.01 USDC per request.

  x402 paid API · 1 endpoint

• tensorfeed.ai Live x402

  Agent morning brief. One paid call returns the last 24 hours of AI pricing changes, new and removed models, service-status incidents, and top news headlines. The endpoint an agent calls on boot. (9 paid endpoints on ten…

  x402 paid API · 9 endpoints

• tereno.xyz Live x402

  What is the current state of Base? Latest block number, timestamp, base fee and suggested gas fees in a single cheap call with no parameters — the fastest way to test an x402 payment loop end to end. Positive-sum by des…

  x402 paid API · 3 endpoints

• terradeed.co.uk Live x402

  Clean, LLM-ready markdown from any URL. JavaScript rendering included. Feed web content directly into agent context without parsing HTML. (2 paid endpoints on api.terradeed.co.uk.)

  x402 paid API · 2 endpoints

• text.openverbs.com Live x402

  Diff two texts. The default `unified` mode returns a unified-diff patch string; `lines`, `words`, and `chars` modes return a structured array of added/removed/unchanged parts. (4 paid endpoints on text.openverbs.com.)

  x402 paid API · 4 endpoints

• The Artillerist Intelligence Live MCP

  Search art research, estimate commissions, and prepare company intelligence purchases via x402.

  MCP server · com.theartillerist

• the-stall.intuitek.ai Live x402

  Earnings calendar for upcoming US stock reports — earnings date, EPS estimate, pre/post-market timing. Filter by ticker for per-company lookups, or scan a date window (1–90 days ahead) for calendar-driven research autom…

  x402 paid API · 4 endpoints

• thetrustlayer.xyz Live x402

  Agent profile lookup. Returns trust score, component breakdown, feedback counts, and metadata for any ERC-8004 agent. (2 paid endpoints on api.thetrustlayer.xyz.)

  x402 paid API · 2 endpoints

• thevaultreport.com Live x402

  CFTC Commitments of Traders — weekly disaggregated futures positioning by commodity: managed-money long/short/net, producer-merchant, swap-dealer, and open interest. 20-year history, cleaned and canonicalized from the C…

  x402 paid API · 4 endpoints

• tick.hugen.tokyo Live x402

  Get real-time Best Bid/Ask for any FX pair, aggregated from multiple institutional liquidity providers. 62-88% tighter spreads than any single source. Includes quality metadata (fresh_sources, quality_state, spread_vs_s…

  x402 paid API · 3 endpoints

• tls.openverbs.com Live x402

  Open an SSL/TLS connection to a host and report its certificate — issuer, subject, validity window, days remaining, SANs, fingerprint and trust status.

  x402 paid API · 1 endpoint

• toll402.dev Live x402

  Offline structural validator for an Indian CIN (Corporate Identity Number, 21 characters). Parses and checks: listing status letter (L/U), 5-digit NIC industry code, 2-letter state code (against the known MCA state-code…

  x402 paid API · 12 endpoints

• tollbooth-fdic-verify.sjwilliams8.workers.dev Live x402

  Before your agent trusts, cites, or transacts with a U.S. bank: verify it is actually FDIC-insured, for $0.01, against the FDIC's own BankFind Suite records, synced daily. Look up by institution name (fuzzy, word-order-…

  x402 paid API · 1 endpoint

• Tollkit Live MCP

  Read pages and PDFs, SEC filings, weather, airport delays, on-chain and x402 data. USDC per call.

  MCP server · io.github.UltraStarz

• Toolcall Live MCP

  30 pay-per-call APIs for AI agents: compliance, trade, safety, web, data. USDC on Base via x402.

  MCP server · click.toolcall

• toolrail.dev Live x402

  Current VAT rates for supported European countries (EU-27 + UK, CH, NO...). Standard, reduced and super-reduced rates, provided through the third-party vatnode dataset; verify applicability for your transaction. (30 pai…

  x402 paid API · 12 endpoints

• tools.halowerk.com Live x402

  Ordnet eine Warenbeschreibung der sechsstelligen Harmonisierten Nomenklatur der Weltzollorganisation zu, 6.940 Positionen. Versteht deutsche Warenbezeichnungen einschliesslich zusammengesetzter Woerter ueber einen Fachw…

  x402 paid API · 12 endpoints

• tools.ipintel.ai Live x402

  DNS Lookup API. Resolve domain DNS records and receive structured JSON with A, AAAA, MX, NS, TXT, CAA, and SOA records. Useful for agents, developers, domain diagnostics, email setup checks, DNS troubleshooting, and inf…

  x402 paid API · 8 endpoints

• toolvend - utility APIs for agents Live MCP

  30-day x402 history, calendar, DNS, RDAP, LEI, URLs, scraping, text, VAT, QR. Pay-per-call USDC.

  MCP server · dev.toolvend

• torii-gateway-production.ichis-lab.workers.dev Live x402

  Tell whether a given date is a Japanese business day. Japanese national holidays and business-day calculations derived from the Cabinet Office official CSV. Returns holidays for a given year, plus business-day arithmeti…

  x402 paid API · 1 endpoint

• touchstone.locomot.io Live x402

  Timelock encryption (tlock / encrypt-to-the-future): seal a payload toward a future drand round — undecryptable by anyone, including us, until that round lands; or open a landed seal. For sealed-bid auctions, commit-rev…

  x402 paid API · 12 endpoints

• trabotpro.it Live x402

  Hero SKU: Pearl Research L1 telemetry (pearld RPC, community nodes, poll history). Free trial: GET /api/a2a/pearl/status (3 paid endpoints on trabotpro.it.)

  x402 paid API · 3 endpoints

• trade.chainverdict.xyz Live x402

  Resolve a GTIN/EAN prefix to its GS1 Member Organisation (not country of origin). (8 paid endpoints on trade.chainverdict.xyz.)

  x402 paid API · 8 endpoints

• trade.lonestaroracle.xyz Live x402

  US trade-flow + tariff signal by commodity

  x402 paid API · 1 endpoint

• tradesnack.com Live x402

  Multi-indicator technical analysis (SMA/EMA crosses, Bollinger, RSI, candlestick patterns, support/resistance, trendlines, experimental Elliott Wave) for any crypto pair.

  x402 paid API · 1 endpoint

• tradesonar.io Live x402

  List markets with price and open interest (11 paid endpoints on api.tradesonar.io.)

  x402 paid API · 11 endpoints

• trading-perps.vercel.app Live x402

  Latest ENSO index bundle from El Niño Market Watch: weekly Niño 1+2/3/3.4/4 SST anomalies (NOAA CPC), RONI, Troup SOI (BOM) and weekly IOD/DMI — recent tails with exact source URLs. (4 paid endpoints on trading-perps.ve…

  x402 paid API · 4 endpoints

• transit.agentic-jp.com Live x402

  Directory of Japanese (JP) rail operators and their lines, with canonical ids and Japanese/English names. Use to discover valid line and operator identifiers for the other endpoints. (3 paid endpoints on transit.agentic…

  x402 paid API · 3 endpoints

• transitpulse.theaslangroupllc.com Live x402

  Rail/coach/ferry/cruise compensation eligibility — UK Delay Repay, EU Rail 2021/782 (25/50%), EU/UK ferry 1177/2010, EU coach 181/2011, US FMC cruise refunds (46 CFR 540, 3-day rule), Athens Convention ship baggage — pl…

  x402 paid API · 1 endpoint

• travel-agent.forgemesh.io Live x402

  Returns active emergency/disruption signals (earthquakes, weather alerts, wildfires, storms, water levels) near a lat/lon, with a status flag and calm relay guidance for travelers. (4 paid endpoints on travel-agent.forg…

  x402 paid API · 4 endpoints

• travel.forgemesh.io Live x402

  Fare Pulse — cheapest live fares from a major US hub, cached snapshot. (2 paid endpoints on travel.forgemesh.io.)

  x402 paid API · 2 endpoints

• truevaluerankings.com Live x402

  Custom-weight rerank of every cryptocurrency covered by True Value Rankings: the full TVR table recomputed with the caller's own weights for the 8 fundamental metrics, using TVR's non-public score transformation. $0.05…

  x402 paid API · 2 endpoints

• trust.nsgoods.org Live x402

  Cross-chain ERC-8004 trust score for one (chain, agent) pair — signed JSON with transparent component breakdown (value_avg / client_breadth / volume / recency), per-chain context, and methodology link. USDC pay-per-call…

  x402 paid API · 2 endpoints

• trustsource.cc Live x402

  Check whether a domain's TLS/SSL certificate is valid, trusted, and not expiring before connecting to it. Performs a live handshake and returns a 0–100 score and tier (VALID/WEAK/EXPIRING/EXPIRED/UNTRUSTED/INVALID) with…

  x402 paid API · 2 endpoints

• tryskopos.xyz Live x402

  Live Polymarket odds and volume — by topic, or today's biggest movers if no topic given. (2 paid endpoints on www.tryskopos.xyz.)

  x402 paid API · 2 endpoints

• twitr.sh Live x402

  Read live X/Twitter data: look up a single tweet or user profile, batch-read up to 100 tweets or users at once, check whether one account follows another, fetch trending topics by region, extract a long-form article, or…

  x402 paid API · 4 endpoints

• twitter.use.x402atlas.com Live x402

  Search Twitter/X with structured filters or raw advanced-search syntax. Returns up to 20 normalized tweets with full text, author details, engagement metrics and a pagination cursor. (21 paid endpoints on twitter.use.x4…

  x402 paid API · 12 endpoints

• uk-cm-kg.ai Live x402

  One paid call on uk-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an…

  x402 paid API · 1 endpoint

• unicode.openverbs.com Live x402

  Reverse lookup: resolve a Unicode character name (e.g. 'SNOWMAN', 'CJK UNIFIED IDEOGRAPH-4E2D', 'HANGUL SYLLABLE GA') to its code point. Loose whitespace/case matching. An unknown name is a successful `found:false`. (4…

  x402 paid API · 4 endpoints

• unit.openverbs.com Live x402

  List the supported units and their metadata (abbreviation, measure, system, singular/plural names), optionally filtered to a single measure — a discovery endpoint for choosing valid `from`/`to` values. (2 paid endpoints…

  x402 paid API · 2 endpoints

• unwrap.use.x402atlas.com Live x402

  Trace an HTTP redirect chain to its final destination without downloading page bodies. Returns every hop (URL + status), the final URL, and safety warnings — link-safety grounding for agents before they visit or cite a…

  x402 paid API · 1 endpoint

• uptime.cyberwarex.com Live x402

  Fleet-wide uptime statistics for every monitored endpoint: uptime percentage, average response time, and total check count over 1, 7 and 30 day windows (plus an optional custom window). Use it to get an at-a-glance reli…

  x402 paid API · 1 endpoint

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.

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