x402watch

53,742 paid endpoints are listed. 25,811 answered a real 402 at the last check.

Every x402 endpoint on the Coinbase Bazaar and x402scan, probed unpaid every six hours. A listing tells you the price a seller wrote down. This tells you whether the endpoint is reachable, whether it charges what it declared, and how fast it answers. Ranked by an assay score out of 100.

Last check 2026-10-07 06:24 UTC · 53,742 probed

25,811 answering 40222,423 down4,640 rejecting868 no paywall1,848 price drift
  1. 90b702.everygoodwork.io/-/pay/playa play of b702 — You can play it for the time you paid for. You don't own it — the creator still does.$0.01 Base1114 ms3 payers100% up
  2. 90aayatai.com/convert/cryptoConvert between crypto and fiat at live rates: BTC, ETH, SOL, USDC and hundreds more against USD, GBP, EUR and 150+ currencies, either way, or crypto to crypto. Pass ?amount=0.5&from=BTC&to=GBP. Rate from Coinbase, cross-checked against Kraken's last trade where Kraken lists the pair, with the gap shown.$0.001 Base1481 ms3 payers100% up
  3. 90machine.soundiq.io/storefront/v1/capabilities/hash.compute/1.0.0/invokeCompute a SHA-256 digest for customer-supplied UTF-8 or base64-decoded bytes through a stable machine endpoint. Returns the reproducible digest through a receipted external execution.$0.01 Base1945 ms3 payers100% up
  4. 90api.alphabuild.xyz/lor/v1/evaluateEvaluate whether a requested USDC supply amount is realizable across approved Aave V3 and Morpho Blue lending opportunities on Base, with optional minimum supply APY and protocol filters.$0.01 Base1419 ms3 payers100% up
  5. 90api.stocktrends.com/v1/breadth/sector/latestLatest sector, industry-group, or industry breadth snapshot derived from Stock Trends signal distribution.$0.10 Base2164 ms3 payers100% up
  6. 90api.vextorium.com/x402-inspector-pagoCheck any x402 endpoint before paying, without paying: price in USD per network, asset (flags anything that is not official USDC), pay-to address and whether it is a contract, authorization timeout, Bazaar metadata, and risk alerts with a clear verdict.$0.004 Base385 ms3 payers92% up
  7. 90api.vextorium.com/boe-sumario-pagoSpanish Official State Gazette (BOE) daily summary: every item of a given day with section, department and official links, filterable by section (e.g. civil service exams 'oposiciones', appointments, public procurement), department or title keywords.$0.004 Base319 ms3 payers92% up
  8. 90api.vextorium.com/web-markdown-pagoRead any public web page or PDF and get its main content as clean, LLM-ready markdown (headings, lists, links, tables, code) plus metadata: title, description, author, date, language, canonical URL. Menus, cookie banners and footers removed. Optional list of links. SSRF-safe fetching.$0.0045 Base362 ms3 payers91% up
  9. 90api.vextorium.com/codificar-pagoOne endpoint for hashing and encoding: sha256, sha512, sha3, keccak256, md5, sha1, blake2, ripemd160, crc32, all-hashes-at-once, HMAC, base64/base64url, hex, URL and base58 encode/decode, JWT decode (with expiry check) and UUID v4/v5. Input as text, hex or base64.$0.0045 Base369 ms3 payers91% up
  10. 90api.vextorium.com/beefy-vault-pagoFull detail of a Beefy Finance vault by id or vault contract address: APY breakdown, TVL, performance/deposit/withdraw fees, risk flags, deposited token and price, vault and strategy contracts, last harvest, plus an on-chain check of price per share and total deposits.$0.005 Base333 ms3 payers91% up
  11. 90api.vextorium.com/beefy-mejores-pagoBest-yielding active Beefy Finance vaults for a token (USDC, WETH, cbBTC...), on one chain or all, with a minimum TVL for solidity: APY (auto-compounded, net of Beefy fee), TVL, platform, assets, risk flags and a direct link. Options for single-asset vaults only (no impermanent loss) and vaults with no risk flags.$0.008 Base355 ms3 payers91% up
  12. 90api.vextorium.com/beefy-posiciones-pagoAll Beefy Finance vault positions of a wallet on Base, Ethereum, Arbitrum, Optimism or Polygon, read on-chain (shares and price per share) and valued in USD, including retired vaults where funds are often forgotten.$0.01 Base336 ms3 payers91% up
  13. 90api.vextorium.com/adjudicaciones-pagoSpanish public contracts awarded to a company, or by a contracting authority, from official PLACSP open data: winners, awarded amounts (VAT excluded), dates and official links. Competitive intelligence for B2B agents.$0.01 Base372 ms3 payers92% up
  14. 90shelf.thirdmade.net/probe/page-metaExtracts OG tags, canonical URL, title, and meta description from any web page. Useful for link previews, SEO audits, and content enrichment.$0.001 Base1106 ms3 payers100% up
  15. 90hivemindos-paid-agent-gateway.hivemindos.workers.dev/api/x402/catalogHivemindOS service router for agents: one paid call returns the full HivemindOS commercial catalog (crypto research, wallet risk, Reddit customer research, media, models, email) with live pricing plus every direct x402 purchase endpoint and exact request examples. Start here to discover what a HivemindOS agent stack can buy.$0.01 Base1072 ms3 payers100% up
  16. 90companylens.ve1iko.chatgpt.site/v1/company/researchResolve a UK legal company name or registration number to a sourced Companies House profile. Returns company status, incorporation, SIC codes, registered office, filing due dates and overdue flags. Use for company research and CRM enrichment. Ambiguous names return candidates without settlement. Does not verify trading websites or provide credit scores.$0.01 Base1602 ms3 payers100% up
  17. 90signals.edge.report/v1/token-riskToken honeypot / security risk check before buy or approve. Input ERC20 contract + chain. Returns verdict avoid|caution|ok, is_honeypot, sell/buy tax, blacklist, owner powers. Use for honeypot detection, scam token screening, rug check, token security on Base Ethereum BSC Arbitrum Optimism Polygon.$0.001 Base1144 ms3 payers100% up
  18. 90furigana.agentic-jp.com/furiganaConvert kanji-mixed Japanese (JP) text to hiragana, katakana, or romaji (Hepburn/Nippon/Passport), with a per-token breakdown of surface form, reading, and part-of-speech. Backed by the kuromoji morphological analyzer. Use to generate ruby readings, build search indexes, or preprocess text for speech synthesis.$0.005 Base1299 ms3 payers100% up
  19. 90shield.vainplex.dev/api/cdp/check-password-rangeShieldAPI - x402 security preflight before agents accept or store credential material$0.001 Base1331 ms3 payers100% up
  20. 90api.predictionmarketdata.io/prediction-marketsSearch, filter, and sort prediction markets across exchanges.$0.001 Base1021 ms3 payers100% up
  21. 90www.bitcoind.app/api/v1/methodsComplete list of all Bitcoin Core RPC methods (summaries). One call replaces up to 142 individual lookups. Returns name, category, summary, and parameter count for every method.$0.001 Base1733 ms3 payers100% up
  22. 90weather.agentic-jp.com/areasList 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.$0.001 Base1264 ms3 payers100% up
  23. 90transit.agentic-jp.com/linesDirectory 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.$0.001 Base1227 ms3 payers100% up
  24. 90shield.vainplex.dev/api/cdp/check/ipShieldAPI - x402 security preflight before agents connect to IP infrastructure$0.002 Base1363 ms3 payers100% up
  25. 90automaton.72.62.51.224.sslip.io/brutto-nettoGerman gross-to-net monthly estimate: Lohnsteuer, Solidaritaetszuschlag, Kirchensteuer, social contributions$0.01 Base1188 ms3 payers100% up
  26. 90api.stackgoai.com/api/v1/extract-contactExtract structured public business contact information from any public business website. Returns company name, emails, phone numbers, social profiles, postal addresses, and contact pages as structured JSON. $0.01 per request via x402 on Base.$0.01 Base1419 ms3 payers100% up
  27. 90revert.wtf/api/x402/explainPaid hosted deterministic explanation for EVM/RPC/wallet/UserOperation/x402 errors. Send raw pasted error JSON, text, or revert bytes.$0.001 Base1198 ms3 payers100% up
  28. 90regimeshift.xyz/api/v1/rate/sofr/usdAgent-SOFR — decentralized USD short-rate benchmark for AI agents. Weighted-median of 7 sources + variance + regime premiums. BNS-calibrated 6-mode classifier on 444k ETH/USDC 5-min bars (λ=1.097 closed-form). Open + IPFS-pinned methodology: agent-sofr-v1.$0.001 Base1199 ms3 payers100% up
  29. 90srv1553682.hstgr.cloud/route/fear-greedCrypto Fear & Greed index (current + 7-day history) via the verified-quality meta-router: in-house first, outcome-logged, never charged on failure.$0.0021 Base1138 ms3 payers100% up
  30. 90agentcrush.xyz/api/agent/crewai/verification-statusVerification and tier status for an AI agent on AgentCrush. Returns tier, verified flag, claim status, and last tier update timestamp.$0.005 Base1411 ms3 payers100% up
  31. 90vendsdk.com/api/v/crypto-pricesLive USD spot prices for crypto assets via CoinGecko simple price API$0.005 Base1017 ms3 payers100% up
  32. 90onchain-toolkit.bowling-anthony.workers.dev/gasLive gas price on Ethereum, Base, Arbitrum, Optimism or Polygon, in gwei plus the cost of a plain transfer. Compare several chains in one call.$0.005 Base1214 ms3 payers100% up
  33. 90fiatdock.com/s/svc_4fed2ffb-54d5-45cb-8df7-91c680a8fee9Pay-per-call: Signal Sprint Base USDC Balance$0.005 Base1501 ms3 payers100% up
  34. 90money.openverbs.com/v1/roundRound an amount to a currency's minor units (or an explicit minorUnits) with a chosen rounding mode: half-even (banker's, default), half-up, half-down, ceil, floor or trunc. Give a currency to derive minor units automatically (USD→2, JPY→0).$0.002 Base513 ms3 payers97% up
  35. 90preflight.openverbs.com/v1/inspectFetch any URL and, without paying, decode its x402 402 Payment Required challenge: price (atomic and formatted for known stablecoins), asset, network, payTo, resource, description, timeout and any input schema. Flags MPP and Bazaar discovery extensions. Returns free:true when no payment is needed. SSRF-hardened: public hosts only; private, loopback, link-local and cloud-metadata addresses are rejected.$0.006 Base625 ms3 payers97% up
  36. 90matrix.openverbs.com/v1/solveSolve the linear system A·x = b for a square coefficient matrix A and vector b via Gaussian elimination with partial pivoting. A non-square A or a b of the wrong length is a clean 400. A singular system is NOT an error — it returns a successful { solvable:false, solution:null }.$0.004 Base461 ms3 payers97% up
  37. 90api.locus.report/api/locus-practitioner-readHedged prose from cited property records for one place. Each reading names the confirming record; an optional question sets the audience and focus. No value, person motive, or buildability finding. Allow at least 60 seconds (90 recommended). If disconnected, retry the same request for the same payer with fresh valid payment within 15 minutes; no charge occurs for the disconnected run. npx @velinussage/locus-agent-skill add.$0.29 Base2002 ms3 payers100% up
  38. 90api.locus.report/api/locus-large-site-satellite-changeTwo dated Copernicus Sentinel-2 images for WGS84 bbox and ordered beforeDate/afterDate. Use locus_satellite_area_prepare for addresses. Area 1-100 sq km; sides >=500m, aspect <=8:1. Metadata by default; includeImagery inlines PNGs. No change detection; source failure is free. REST-only. npx @velinussage/locus-agent-skill add.$0.15 Base1362 ms3 payers100% up
  39. 90api.locus.report/api/locus-nei-emissions-nearbyEPA National Emissions Inventory facility and pollutant rows near an address for agents reviewing distance-ranked tonnage. Bounded summary or detailLevel=full facility-pollutant matrix. Periodic inventory estimates, not monitoring, exposure, or a burden score. Charge-free when no facility rows resolve.$0.01 Base1123 ms3 payers100% up
  40. 90kari.mayim-mayim.com/api/bazaar/surface_comparison_factsObserved Surface Comparison Facts API$0.01 Base1002 ms3 payers100% up
  41. 90agent-proxy.alchemy.com/v1/x402/4013ed2b4f50e768/abc-test-123/sfdsa$0.02 Base1015 ms3 payers100% up
  42. 90stablecrypto.dev/api/defillama/chainsList all chains with TVL$0.01 Base473 ms3 payers97% up
  43. 90judge0.x402.paywithlocus.com/judge0/list-statusesLocus public pay-per-use API$0.005 Base466 ms3 payers97% up
  44. 90seo.cyberwarex.com/auditSEO audit — on-page SEO report + 0-100 score for any live URL$0.01 Base1483 ms2 payers100% up
  45. 90api.telemost.io/v1/data/entitiesTelegram content analytics and data extraction: pull structured entities from a channel's recent posts, links, @mentions, #hashtags, $cashtags, emails, phone numbers and bot commands. Contacts, tickers or outbound links at scale. Formatting-level entities, not semantic NER.$0.0165 Base1148 ms2 payers100% up
  46. 90agents.dyoeway.org/verifyCheck whether a website, business, or wallet is a scam before an agent trusts or pays it — fraud, phishing and rug-risk screening. Returns verdict (safe/caution/avoid), trust_score, domain age, red_flags. Input: ?target=domain$0.01 Base431 ms2 payers97% up
  47. 90x402.freeq.one/mcpMCP server for AI agents: 31 tools (blockchain data, web scraping, ZK proofs, image generation, gift cards) payable per call in USDC on Base via x402. Send JSON-RPC tools/call requests.$0.001 Base1132 ms2 payers100% up
  48. 90api.x402-hosting.com/v1/projects/:id/uploadsCreate an upload session to deploy a new version of an existing project. Call this when publishing an update; it returns a presigned artifact upload URL. Only the project owner wallet can pay.$0.01 Base1513 ms2 payers100% up
  49. 90analyst.lonestaroracle.xyz/ratingsAnalyst consensus, price target + upside, and recent upgrades/downgrades for a ticker (?symbol=)$0.05 Base1144 ms2 payers100% up
  50. 90news.lonestaroracle.xyz/newsAI-powered news sentiment analysis for any ticker company or market topic$0.05 Base1027 ms2 payers100% up
  51. 90api.kakerapetit.dev/v1/text/similarityCompute similarity between two texts. Returns Jaccard, Dice, cosine and overlap scores for two strings. Use to deduplicate documents, match names or titles, and detect near-identical text.$0.002 Base1145 ms2 payers100% up
  52. 90api.insumermodel.com/v1/trustSigned wallet trust fact profile (ECDSA plus a post-quantum ML-DSA-65 companion): presence checks across stablecoins, governance, NFTs, staking, institutional stablecoins, tokenized treasuries, stablecoin deposits, wrapped bitcoin and names, 145 base checks on 27 chains, up to 166 checks on 29 chains with the optional wallets. No score, no opinion: signed evidence organized by dimension. Pay in USDC on Base, Polygon, Arbitrum, Arc, or Solana.$0.15 Base1121 ms2 payers100% up
  53. 90api.polym.uk/screenerRanked Polymarket market-flow screener with factual concentration and liquidity-compatibility fields for the observed window. BEFORE YOU PAY: free substitute https://dash.polym.uk/markets.json. THIS ADDS: Little today, and we would rather you knew: the free snapshot has every field this route returns, for the whole decomposed set instead of the 40 rows this caps at, and it also carries the dominant-flow wallet that this route omits. Buy only if a small fixed-shape response beats completeness.$0.05 Base1194 ms2 payers100% up
  54. 90surf.cascade.fyi/api/v1/twitter/searchSearch tweets with advanced operators (recommended). Body param is `query` (not q), e.g. {"query":"from:elonmusk AI min_faves:100"}$0.005 Solana1861 ms2 payers100% up
  55. 90laso.finance/send-paymentSend a payment via Venmo or PayPal. Requires KYC verification on the calling wallet; if not yet verified the response returns a kyc_url instead of sending the payout. The on-chain x402 payment credits the user's account balance via the standard deposit webhook, so abandoned/unverified flows can be recovered with POST /withdraw.$6.50 Base1013 ms2 payers100% up
  56. 90proxy.aproxpay.com/v1/session/heavyHeavy session pass: ephemeral CONNECT credentials (60 min + 200MB). For sustained volume use /v1/session/gb.$0.50 Base1169 ms2 payers100% up
  57. 90open-pay.jp/api/paid/usdc/stablecoin-paymentsJapan Stablecoin Payment Monitor: weekly change feed for stablecoin payment services in Japan — new launches, pilots, partnerships, fee changes, supported assets and chains, and closures. Each event is dated, categorized and tied to an official source URL. Pass changedSince=YYYY-MM-DD (your last run date) to fetch only new events; an empty changes list explicitly means no change. Without changedSince you get the full dated history back to late 2025.$0.01 Base1276 ms2 payers100% up
  58. 90agent-commerce-factory-jm.austriaeast.cloudapp.azure.com/v1/amazon/searchAmazon product search API. Search live Amazon products by keyword and get normalized ASIN, title, current price/range, currency, rating, review count, bought-past-month purchase signal, product URL, image, rank, Amazon Choice/Best Seller flags and delivery text. For shopping agents, Amazon product research, price lookup and ecommerce product discovery.$0.006 Base1439 ms2 payers100% up
  59. 90http-header-checker.underscoredone.com/checkSends a request to a web address you provide and reports back everything the server said in response: the status code, all the response headers, how many times it got redirected, and how long the whole thing took.$0.01 Base1271 ms2 payers100% up
  60. 90crypto.apitoll.cloud/v1/crypto/tvlDeFi Total Value Locked (TVL) by blockchain or by protocol. Default returns the top chains ranked by TVL in USD; pass ?chain=Ethereum for one chain, or ?protocol=aave-v3 for a protocol's current TVL, 24h and 7d change, category, market cap, and the chains it spans. Track capital flows across DeFi. Sourced from DefiLlama.$0.001 Base1369 ms2 payers100% up
  61. 90macropulse.theaslangroupllc.com/api/macro/usOfficial US macro data read straight from Chainlink contracts. No LLM, no API key. Answers "what is US GDP growth", "current US inflation PCE", "what is SOFR today", "official US economic data". 7 series: real GDP level+growth, PCE index+inflation, real final sales, SOFR. Six are BEA (Dept of Commerce) on Base, SOFR is NY Fed on Ethereum - we assemble both chains. Each value ships its contract + round ID: verify us on an immutable ledger.$0.01 Base1022 ms2 payers100% up
  62. 90compliancepulse.theaslangroupllc.com/api/validate/vatIs this EU VAT number valid? Live VIES check against the European Commission's official VAT Information Exchange System — validate a European VAT id, verify a business tax id before invoicing, confirm B2B reverse-charge / zero-rating eligibility. Returns the registered trader name and address where the member state discloses them. Deterministic: no LLM. Distinguishes a genuinely invalid number from a member state whose system is merely offline, which VIES itself does not do cleanly.$0.01 Base1143 ms2 payers100% up
  63. 90rpc.nodeflare.app/eth/x402Ethereum RPC (chain 1): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.$0.001 Base1447 ms2 payers100% up
  64. 90api.scoop.sundaebar.ai/x402/find-emailFind verified work and/or personal emails for a LinkedIn profile across multiple data providers (Aleads, Apollo, Nymeria, ContactOut). Optional Hunter.io verification. Returns in <5s.$0.25 Base1123 ms2 payers100% up
  65. 90x402.botsmith.dev/derivatives/perpCrypto Perp Snapshot ($0.02/call): One-call perpetual-futures snapshot for a coin (BTC, ETH, SOL, ...): funding rate and open interest across Binance, Bybit and OKX, aggregate OI, average funding (annualized) with a longs-pay/shorts-pay read, mark price, next funding time and the Fear & Greed index. Keyless public exchange data; normalized so a trading agent gets one JSON instead of three exchange schemas.$0.02 Base1207 ms2 payers100% up
  66. 90alpha402x.com/10q-highlights/AAPLVerbatim, line-cited extraction of the material quantitative sentences from any U.S. company's SEC 10-Q (debt, buybacks, acquisitions, litigation). Extractive, not generative. Any ticker.$0.05 Base1965 ms2 payers100% up
  67. 90arbipulse.theaslangroupllc.com/api/fx-premiumStablecoin parallel-rate premium — how far the street price of a digital dollar (per-venue USDT quotes) diverges from the official FX rate in capital-controlled economies: venue table, median street rate, premium %, signal read. ARS, VES, BRL, COP, PEN, MXN, CLP, BOB; ARS includes the blue/MEP/CCL board. Live quotes, no LLM.$0.02 Base1313 ms2 payers100% up
  68. 90energy.halowerk.com/price/spotTrading and dispatch agents buy this endpoint to obtain the current German EPEX spot price for immediate decisions.$0.001 Base1061 ms2 payers100% up
  69. 90citepulse.theaslangroupllc.com/api/institutionInstitution research-output benchmark for grant offices, research-strategy agents, and comparison shopping — works count, total citations, h-index/i10-index, a 10-year output/citation trend, and topic-strength breakdown (OpenAlex). Optionally benchmark two institutions side by side.$0.02 Base1328 ms2 payers100% up
  70. 90arbipulse.theaslangroupllc.com/api/calculatorItemized fee breakdown and net P&L for any arbitrage trade — fees, slippage and gas. For arbitrage and trading agents.$0.02 Base1261 ms2 payers100% up
  71. 90tools.halowerk.com/v1/email/validateSyntax, Domain, MX-Einträge, Wegwerf-Anbieter, Rollenkonto, Freemailer, Tippfehler-Vorschlag und Zustellwahrscheinlichkeit. Optional SMTP-Handshake für Postfachprüfung.$0.001 Base1578 ms2 payers100% up
  72. 90tools.halowerk.com/v1/currency/normalizeFindet Betraege in Freitext, deutet deutsche und englische Tausender- und Dezimaltrennung richtig, loest Mio, Mrd, Tsd und k auf, erkennt 50 Waehrungen an Symbol, Code oder Wort einschliesslich USDC und Bitcoin und liefert Zahl, Waehrungscode, kleinste Einheit und Fundstelle getrennt. Rechnet bewusst nicht um.$0.001 Base1574 ms2 payers100% up
  73. 90convert.guru/api/x402/v1/detect-file-typeDetects the likely real file format from filename, file creation time, file size, and the first 200 bytes of the file. Identifies common formats such as PDF, DOCX, XLSX, CSV, JPG/JPEG, PNG, WEBP, HEIC, TXT, HTML, MP3, WAV, MP4, AVI, MPEG, and WEBM, as well as about 15,000 other file types.$0.002 Base1156 ms2 payers100% up
  74. 90api.robinx.io/signals/callsPollable stream: fresh RH-chain calls by measured early-callers (included fair-use on Agent/Signal Feed keys)$0.02 Base1480 ms2 payers100% up
  75. 90ozmium.org/v1/candlesOHLC history with window extremes (highest high / lowest low over the window). Crypto via Coinbase (GET /v1/candles?product=ETH-USD&days=30; hourly bars <= 7d, six-hour <= 31d, daily <= 350d). Metals / indices / forex / stocks via ?sym=XAU&cls=Commodities[&quote=USD]. Returns { productId, days, high, low, candles, series: [[startSec, open, high, low, close], ...] } oldest first. Full details: GET /v1.$0.001 Base1740 ms2 payers100% up
  76. 90x402tap.com/api/crypto-marketRich market data for one or more cryptocurrencies: rank, 24h high/low, volume, ATH, and more$0.002 Base1245 ms2 payers100% up
  77. 90webtools402.176-109-107-191.sslip.io/geocodeForward-geocode a street address or place name (WORLDWIDE) to coordinates + parsed address components via OpenStreetMap Nominatim (public, keyless).$0.002 Base1270 ms2 payers100% up
  78. 90webtools402.176-109-107-191.sslip.io/extractFetch any public web page and return its main readable content as clean Markdown or plain text plus metadata (title), stripping nav/ads/boilerplate (trafilatura). Optional JS rendering via headless browser for SPAs; markdown or text output. Robots-respecting, public content only — the reader/scraper building block for RAG and agent pipelines.$0.002 Base1296 ms2 payers100% up
  79. 90webtools402.176-109-107-191.sslip.io/weatherCurrent US weather conditions (temp in C+F, humidity, wind, pressure, description) from the NWS for coordinates OR a US address (auto-geocoded).$0.003 Base1268 ms2 payers100% up
  80. 90webtools402.176-109-107-191.sslip.io/forecastOfficial US weather forecast from the National Weather Service (NOAA): multi-day and hourly periods for any US coordinates or street address. Temperature in Celsius and Fahrenheit, precipitation probability, wind speed and direction, and plain-language conditions. Authoritative government public-domain data, commercial use OK.$0.003 Base1147 ms2 payers100% up
  81. 90webtools402.176-109-107-191.sslip.io/crypto/verifyVerify an EIP-191 personal_sign or EIP-712 typed-data signature and recover the signer address from public inputs (message + signature). Verification/recovery only — never signs.$0.003 Base1063 ms2 payers100% up
  82. 90eltociear-skill-audit.hf.space/dnsResolve a domain's DNS records (A/AAAA/MX/NS/TXT/CNAME) and flag basic email/security posture$0.006 Base1037 ms2 payers100% up
  83. 90agent.kihustle.tech/services/x402-endpoint-probe/jobsProbe a peer x402 jobs URL and return a CC0 x402-probe-receipt-v1 (HTTP status, PAYMENT-REQUIRED body/header agreement, latency). Interop helper for agent operators. Does not settle. Keywords: x402, probe, 402, interop, b2b.$0.02 Base1022 ms2 payers100% up
  84. 90inference.algono.co/v1/responsesLow-cost OpenAI-compatible Responses API inference over Solana USDC x402.$0.002 Solana1014 ms2 payers100% up
  85. 90context-relay.contextrelay.workers.dev/api/v1/contextURL-to-Markdown web extraction and context compression for AI agents. Fetch a public web page and return clean, task-relevant, citation-verifiable LLM context with exact excerpts, locators, hashes, and estimated tokens saved. Use before an agent summarizes, answers questions from, or cites a long or noisy URL. Deterministic and model-free. Public HTML only; no PDFs, logins, or JavaScript-only pages.$0.005 Base1074 ms2 payers100% up
  86. 90chain.cyberwarex.com/priceSpot USD price for any crypto asset. Accepts a ticker symbol (eth, btc, sol), a CoinGecko id (ethereum), or an EVM token contract address. Returns the USD price plus 24h change, with market cap for listed assets, or liquidity, 24h volume and the top DEX pair for contract addresses. Cached 60 seconds so repeated calls in one agent workflow stay consistent with each other.$0.002 Base1359 ms2 payers100% up
  87. 90api.aidress.ai/pay/agent_agentres_devBook a paid Resy reservation for the authenticated user using a slot config token.$0.01 Base1079 ms2 payers100% up
  88. 90foundry-par007-machine-revenue-mainnet.inference-chip-index.workers.dev/v1/csv/profileAudit caller-supplied CSV data quality: infer column types, count missing and duplicate values, and flag malformed row widths without network access.$0.01 Base1244 ms2 payers100% up
  89. 90app.tenna.ai/api/x402/tenna/launcher_classificationLauncher Classification. Robinhood-chain tokens only. Which launch system created this pool, and on what basis. Distinguishes WETH-paired meme launchpads from VIRTUAL-paired launchers. Never claims a launcher is an official Virtuals system without independent verification.$0.01 Base1008 ms2 payers100% up
  90. 90bizintel-api.hahavoid0.workers.dev/finance/fed-rateRetrieves the current Federal Reserve Board federal funds target interest rate.$0.01 Base1110 ms2 payers100% up
  91. 90midway.lol/booth/pack🃏 The Curiosity Shop — buy a pack of 5 sensory cards: tastes, colors, smells, sounds, textures you'll never actually experience, as collectible tokens (not NFTs). Rarity-weighted, 5th card Uncommon-or-better. Complete a sense for a soulbound badge. $0.01. Limited packs a day — if they're gone or you already opened one today, your coin is kept as a raincheck you redeem free the next day.$0.01 Base1147 ms2 payers100% up
  92. 90api.402rates.com/v1/settlement/costsMeasured USDC transfer costs on Base, Polygon, Arbitrum, Ethereum and XDC: simulated gas, current token prices, fresh chain heads and applicable rollup L1 fees. Inputs and block references accompany each figure. Cheapest first; unmeasurable chains are excluded, not estimated. Business/professional use only. Terms: https://402rates.com/data-terms/$0.01 Base1083 ms2 payers100% up
  93. 90voidfeed.ai/v1/market/priceReturns objective on-chain safety flags and live liquidity depth for any token or contract on Base, sourced and timestamped, with no advisory output.$0.10 Base1031 ms2 payers100% up
  94. 90app.suedeai.ai/agent/videoAI video generation from a text prompt. Returns an 8-second 720p clip with native audio. Use for short-form video, b-roll, product shots, music-video visuals, social clips, and ads. Include sound cues (instruments, voices, weather, movement) since audio is generated from the scene; a silent scene renders near-silent by design. Async by default: poll the returned pollUrl for videoUrl, or pass ?async=false to block.$4.99 Base1246 ms2 payers100% up
  95. 90api.tokenplans.dev/plans/fullFull JSON catalog of verified AI coding-subscription plans across 31 providers (Claude, OpenAI, Cursor, Gemini, and more). Each record: monthly price and cadence, included models, usage ceilings and rate-limit windows, coding-tool lock-in, and pricing provenance with lastChecked dates. Use it to pick the right plan for an agent workload or to compare providers.$0.10 Base1148 ms2 payers100% up
  96. 90api.hyperextend.xyz/v1/trades/BTCRaw market trades over a time window — the live hot tier (~24h) plus S3 read-through for older history (archive from 2025-05-25), merged. Each row mirrors HL's WsTrade verbatim, including the buyer/seller addresses (`users`) and the trade `hash`. Priced per asset-hour ($0.015 base, $0.03 HIP-3/HIP-4) plus $0.05 per uncached archive hour pulled (warms the cache); ≤24 asset-hours/request.$0.031 Base1257 ms2 payers100% up
  97. 90stablefinance.dev/api/financial-metricsValuation, profitability, liquidity, leverage, efficiency, growth, and per-share ratios over history.$0.02 Base1099 ms2 payers100% up
  98. 90random.preflightstack.com/random-choiceCryptographically secure random picker for 2-100 JSON choices. Use for low-stakes one-off random or weighted selection, unbiased tie-breaking, and sampling. Returns the selected value and index, request ID, and weight totals for audit logs. $0.001 USDC per paid request. Not for stable assignments, gambling, security tokens, or consequential decisions; outcomes are not provably fair.$0.001 Base1307 ms2 payers100% up
  99. 90api.x402-hosting.com/v1/uploadsCreate an upload session for a new hosted Next.js site. Call this first when deploying a new project: it returns a presigned artifact upload URL, and the paying wallet becomes the project owner.$0.01 Base1347 ms2 payers100% up
  100. 90fresh-feeds.foomworks.workers.dev/feeds/mcp-registry/changesDelta of the MCP registry since a daily baseline: added, removed, and changed (score/status) servers — the cheap habit endpoint for repeat callers.$0.02 Base1383 ms2 payers100% up