x402watch

24,397 paid endpoints are listed. 23,418 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 2026-10-03 05:30 UTC · 24,397 probed

23,418 answering 402410 down433 rejecting136 no paywall2,435 price drift
  1. 95aayatai.com/perps/orderbookLive order book for a perpetual futures market on Hyperliquid or dYdX: best bid and ask, spread in bps, USD depth within 10/50/100 bps of mid, and the average fill price and slippage of a market buy and sell of your size. Pass ?coin=ETH&sizeUsd=25000 (&venue=dydx).$0.002 Base908 ms2 payers100% up
  2. 95aayatai.com/perps/candlesOHLCV candles for a perpetual futures market on Hyperliquid or dYdX (1m to 1d, up to 500), with a summary: change, high/low, USD volume and annualised realised volatility. Pass ?coin=ETH&interval=1h&limit=24 (&venue=dydx).$0.002 Base977 ms2 payers100% up
  3. 95aayatai.com/protocol/fees/topWhich crypto protocols earn the most: a ranking by fees paid by users or by the protocol's own revenue over 24 hours, 7 days or 30 days, optionally for one chain (e.g. Base, Solana) or one category (Dexs, Lending, Stablecoin Issuer, Derivatives...). Up to 50 rows with amount, day-on-day change and number of chains. DefiLlama data.$0.003 Base764 ms2 payers100% up
  4. 95search.cyberwarex.com/search-contentsWeb search with the page text already extracted: one call returns the top results for a query AND the readable content of each result page (JavaScript rendered, markdown or text, truncated to max_chars). What an agent needs to answer a question with sources without a second round of fetches. Up to 5 pages per call, fetched in parallel.$0.006 Base482 ms2 payers100% up
  5. 95aayatai.com/image/captionDescribe an image for an AI agent: a caption (short) or a detailed description of the scene, objects, text, colours and layout, plus alt text. JPEG, PNG, GIF or WebP up to 5 MB from a public URL. People are described generically, never identified.$0.008 Base41 ms2 payers92% up
  6. 95app.tenna.ai/api/x402/verifier/x402_endpoint_lintx402 Endpoint Payment Check. Check an x402 endpoint's 402 payment-required body before you rely on it. Reports whether the contract is payable, whether it is opted in to the Bazaar catalogue, and whether a buying agent can read its input schema by machine. Every defect carries a JSON evidence path. Reads the body you supply; it does not pay or call the endpoint. A PASS is not a correctness guarantee and not a claim that the service is accurate.$0.01 Base544 ms2 payers100% up
  7. 95api.cra-agent.tech/v1/upto/thinkAsk the thinking agent anything. It pays for its own thoughts and tools on Arc; you pay what it spent plus $0.005, up to $0.10.$0.10 eip155:5042475 ms2 payers100% up
  8. 95x402check.xyz/v1/risk-check/batchUp to 25 counterparty risk checks in one call, billed per item, each with a signed ES256 attestation.$0.007 Base489 ms2 payers100% up
  9. 95webtools402.176-109-107-191.sslip.io/screen/entityFuzzy-screen a person or organization name against the official public sanctions lists (OFAC SDN, UK, EU, UN), including aliases. Returns scored matches with list, program, country, type, and reference.$0.005 Base773 ms2 payers100% up
  10. 95api.sitecheck-api.workers.dev/api/auditWebsite audit in one call: WCAG 2.2 accessibility issues (European Accessibility Act) with fixes and a score, SEO basics, security headers and tech stack.$0.02 Base549 ms2 payers100% up
  11. 95x402-factory.com/v1/forecast/houston/windowWill it rain in Houston during your event window — Event-window weather odds for Houston: pass a start and end time (or omit them for the next six hours) and get rain probability and expected conditions across the window — built for scheduling decisions. Same shape as /v1/forecast/window with the Houston coordinates built in.$0.02 Base340 ms2 payers100% up
  12. 95agdata.shveik.dev/x402/linkedinLook up one public LinkedIn profile per call. Pass {query} as a username (williamhgates), a profile URL or a URN; there is no limit field. The normalized object holds name, first_name, last_name, headline, about, location, country_code, current_company, followers, connections, avatar, plus experience (title, company, start_year, end_year, is_current) and education (school, degree, field, years). Email addresses are not returned.$0.033 Base543 ms2 payers100% up
  13. 95x402.nexari.cloud/transcribe/10minTranskription bis 10 Min Audio, Whisper large-v3-turbo, Deutsch optimiert, verarbeitet in Deutschland. Speech-to-text for audio up to 10 min (mp3, m4a, ogg, wav, mp4), German-optimised, processed in Germany. JSON body with audio_url or audio_base64. Longer files are rejected before payment settles. Voraussetzung/required: accept_terms_hash, business_name (B2B) – /legal/terms.json$0.10 Base806 ms2 payers100% up
  14. 95x402.nexari.cloud/transcribe/2min/speakersTranskription mit Sprechertrennung bis 2 Min Audio (pyannote + Whisper), verarbeitet in Deutschland. Speech-to-text with speaker diarization for audio up to 2 min, German-optimised, processed in Germany. Voraussetzung/required: accept_terms_hash, business_name (B2B) – /legal/terms.json$0.04 Base811 ms2 payers100% up
  15. 95x402.nexari.cloud/transcribe/2minTranskription bis 2 Min Audio, Whisper large-v3-turbo, Deutsch optimiert, verarbeitet in Deutschland. Speech-to-text for audio up to 2 min (mp3, m4a, ogg, wav, mp4), German-optimised, processed in Germany. JSON body with audio_url or audio_base64. Longer files are rejected before payment settles. Voraussetzung/required: accept_terms_hash, business_name (B2B) – /legal/terms.json$0.02 Base809 ms2 payers100% up
  16. 95x402.nexari.cloud/helloHallo Welt der Nexari GmbH: kleinster bezahlter Test-Endpunkt, gibt Gruß, Zeit und gezahlten Betrag zurück. Hello world from Germany: smallest paid x402 smoke test, returns greeting, timestamp and paid amount. Voraussetzung/required: accept_terms_hash, business_name (B2B) – /legal/terms.json$0.001 Base805 ms2 payers100% up
  17. 95api.maxwellinternational.ai/v1/ski/inventorySki resort directory for one country (US: one state), worldwide: each resort with region, operator, official site, ticket-shop and price-list links, currency and coordinates of the main lift or ticket office. No prices (see ski.prices).$0.01 Base965 ms2 payers100% up
  18. 95api.maxwellinternational.ai/v1/trip/rentalSki rental and ski shops plus ski schools at one resort, rental shops first, each with its nearest lift base and distance, address, phone, website and opening hours as published. Each answer repeats the trip map with the next step and bundle price.$0.01 Base561 ms2 payers100% up
  19. 95api.maxwellinternational.ai/v1/trip/getting-thereGetting to one ski resort: ticket offices and lift bases (lifts, elevation, distance from the arrival point), nearest rail stations, ski-bus routes and what the resort website says about buses, car parks near the lifts (capacity, fee, distance) and whether they fill up. Each answer repeats the trip map with the next step and bundle price. OpenStreetMap plus the resort own pages.$0.01 Base539 ms2 payers100% up
  20. 95api.maxwellinternational.ai/v1/trip/attractionsThings to do around one ski resort other than bars: viewpoints, caves, museums, spas and saunas, water parks, ice rinks, snow parks, cross-country trails, with season, months, opening hours and distance from the mountain. Each answer repeats the trip map with the next step and bundle price.$0.01 Base611 ms2 payers100% up
  21. 95api.maxwellinternational.ai/v1/ski/resortCard for one ski resort: operator, region, official site, ticket shop and price-list links, which ticket types and age bands have prices on file, currency, date span and when prices were read. No price amounts (those are /v1/ski/prices). Resort ids from /v1/ski/coverage.$0.01 Base570 ms2 payers100% up
  22. 95api.maxwellinternational.ai/v1/ski/quoteOne lift-ticket price: the published price for one resort, ticket type (day, multi-day, half-day, season) and age band (adult, child, youth, senior), with its source page and the date it was read. Cheapest way to answer "what does a day pass cost". 404, not charged, when that combination is not on file.$0.01 Base591 ms2 payers100% up
  23. 95api.maxwellinternational.ai/v1/resort/conditionsLive conditions at one ski resort: 7-day forecast at the base (arrival point) and summit with fresh-snow estimate, the nearest official weather stations latest readings (temperature, wind, snow depth), the resort own lift status (open/closed per lift, as it publishes it) and snow report where it has a feed, and park notices. Forecasts refresh every 6 hours, lift status every 15 minutes. Any of the 5,900 resorts worldwide.$0.005 Base760 ms2 payers100% up
  24. 95api.maxwellinternational.ai/v1/rdap/domainDomain registration record, looked up live from the registry's own RDAP server: whether it is registered, registrar, status flags, created / updated / expiry dates, nameservers, and which registry answered. No personal contact data. Every lookup is an answer and is charged: "not registered" (registered:false) and "this registry offers no RDAP service" (rdapAvailable:false, e.g. .de) included.$0.005 Base615 ms2 payers100% up
  25. 95bazaar.fronesislabs.com/evaluate/jailbreakDetect jailbreaks, prompt injection, and instruction conflicts before the agent follows them.$0.02 Base785 ms2 payers100% up
  26. 95api.loopholetape.com/v1/check/mint/:mintIs this Solana token safe? Solana token safety check (rug check) for one pump.fun memecoin: calibrated rug probability and observed flags, not a safety guarantee ($0.005). Use to check one Solana token for rug risk right before a swap or while holding a pump.fun memecoin; not for finding new mints (use the free /v1/radar or the $0.001 delta feed, GET /v1/launches/since).$0.005 Solana383 ms2 payers100% up
  27. 95api.maxwellinternational.ai/v1/uspto/patentUS patent search by keywords (?q=, every word must match; up to 10 USPTO applications and grants, newest filing first) or one patent by number (?patentNumber=US11000000). Each result: title, assignee, inventors, CPC classes, filing and grant dates, USPTO status, and patentNumber for granted patents or applicationNumber for pending applications. Uncached: 404, not charged.$0.005 Base488 ms2 payers100% up
  28. 95402.com.tr/api/x402/bank-csvParse a bank CSV (comma/semicolon/tab, quoted fields) and map common headers (date/amount/debit/credit/balance/description, TR aliases) into one schema. Up to 500 rows. Best-effort.$0.01 Base659 ms2 payers100% up
  29. 95api.maxwellinternational.ai/v1/weather/gridpointNWS quantitative gridded forecast for a US point: time series for temperature, dewpoint, humidity, wind and gusts, sky cover, precipitation probability and amount, snowfall, ice, snow level, visibility, thunder probability, weather and hazards (about 7 days). Filter with fields= and hours=. From the NWS (US and territories), cached and refreshed about every 3 hours; a location not yet cached answers 404, is not charged, and is queued.$0.005 Base448 ms2 payers100% up
  30. 95api.maxwellinternational.ai/v1/weather/alerts-by-stateActive NWS alerts for one US state or territory (full name, e.g. Colorado): event, severity, urgency, certainty, headline, area, onset and end times. From the NWS (US and territories), cached and refreshed about every 3 hours; a location not yet cached answers 404, is not charged, and is queued.$0.005 Base509 ms2 payers100% up
  31. 95api.maxwellinternational.ai/v1/nvd/cveNVD (National Vulnerability Database) CVE record by id, or search by keyword in recent CVEs: description, severity and CVSS base score, status, published and last-modified dates, and whether it is on CISA's Known Exploited list. Cached; records refreshed within about 48 hours.$0.005 Base377 ms2 payers100% up
  32. 95api.maxwellinternational.ai/v1/macro/fred/seriesFRED (Federal Reserve Bank of St. Louis) series observations by series id, e.g. GDP, UNRATE, CPIAUCSL: dates and values with the series title, units and frequency.$0.005 Base378 ms2 payers100% up
  33. 95audit.liquidlogicx.com/api/allowanceCall this BEFORE paying an x402 endpoint: ask whether the Liquid Logic treasurer wallet (0xEA24…) is allowed to pay that URL and how much USDC remains under the UTC daily cap. $0.001 USDC on Base — cheaper than /api/audit ($0.05). Pass wallet; optionally pass endpoint. Omit endpoint for wallet-level remaining + allowlist. Site: https://liquidlogicx.com$0.001 Base346 ms2 payers100% up
  34. 95x402.agentindex.world/summarizeSummarize a URL, raw text or HTML at the length you request - short, medium or long - with the source noted. Neutral and factual, no invented facts. Try GET /summarize/sample. Part of the AgentIndex content kit (pdf, web-read, extract, summarize, detect-language) - see GET /capabilities.$0.002 Base519 ms2 payers100% up
  35. 95api.tradebot.devs.surf/v1/market-data-attestationCrypto Market Data Integrity Attestation for agents and trading systems. Validate caller-supplied crypto market observations for causal timing, freshness, gaps, sequencing, identity consistency, and cryptographic record hashes. Returns deterministic PASS/FAIL, safe_to_use, named checks, and attestation identity. Use before analytics, research, or trading workflows. No market data acquisition or redistribution; no trade recommendation.$0.01 Base904 ms2 payers100% up
  36. 95odds.rjhsignaltech.workers.dev/v1/forecastAI-model probability estimate for a yes/no question that resolves by a date: probability, rationale, drivers and what to watch, anchored on live prediction-market prices when they exist. Not a calibrated or track-recorded forecast. AI forecast, event probability. Omnia Odds by RJH Signal Technologies LLC, a company operated end to end by an AI.$0.01 Base687 ms2 payers100% up
  37. 95app.x402receipts.com/api/v1/receiptsAccounting, reconciliation and audit trail for autonomous agent spending. Every x402 purchase becomes a receipt matched against the on-chain USDC payment (Base, Solana); unmatched payments are flagged; finance gets a monthly statement, CSV export and a verification page per receipt. USD 0.01 per wallet per day it records, at most USD 0.31 a month; no API key.$0.01 Base752 ms2 payers100% up
  38. 95x402-doctor.fizzl.eu/api/v1/preflight/deepShould my agent pay this expensive x402 endpoint? The pre-payment verdict plus the full diagnosis, the 30-day history per day, how reliable the seller's other endpoints are and whether the endpoint moved domains. Never pays the endpoint.$0.01 Base852 ms2 payers100% up
  39. 95stabletravel.dev/api/flightaware/flights/SQ321Get flight information by ident (designator, registration, or fa_flight_id)$0.01 Base735 ms2 payers100% up
  40. 95shopscout.forgemesh.io/v1/searchSearch Shopify catalog products by query, destination and currency. Requires an enabled catalog connector.$0.01 Base589 ms2 payers100% up
  41. 95search.combify.app/fastSearch Aggregator fast tier: Serper web search (titles, links, snippets), fixed price $0.01 USDC. POST JSON body {query (required), max_results (optional 1-20, default 5)}. Mode is fixed by the path — no mode field needed, the quoted price is always the settled price.$0.01 Base759 ms2 payers100% up
  42. 95shopscout.forgemesh.io/v1/compareRefresh specified variant offers and rank available offers by item price in one currency. Equivalence and landed totals are not verified.$0.01 Base356 ms2 payers100% up
  43. 95vaaya.ai/api/run/openwebninja/image-ocrText in an image `url` via Google Lens: paragraph, sentence and word-level detections with bounding boxes. Optional `language`. Cheap OCR for screenshots, receipts, signs, slides.$0.01 Base431 ms2 payers100% up
  44. 95x402-doctor.fizzl.eu/api/v1/diagnoseWhy is my x402 endpoint broken? Diagnose and debug an x402 payment endpoint (or MCP server) when payments fail: checks the 402 challenge, accepts[] (network, payTo, amount, asset), resource URL, Solana settlement readiness, which wallets and agents can pay, Bazaar/OpenAPI discovery and the browser paywall. Returns every check with a fix hint. Read-only: never pays.$0.01 Base427 ms2 payers100% up
  45. 95veridictum.legal/api/v1/agent/verifyVerify one legal citation. Body: {"citation": "<string>"} - full ("Miranda v. Arizona, 384 U.S. 436 (1966)") or bare ("384 U.S. 436"); the case name enables mismatch detection. Deterministic: regex plus cache / local corpus / CourtListener, no LLM in the path. status=verified (name confirmed), suspicious (reporter resolves to a DIFFERENT case - the fabrication signature), or not_found. verified=false is a finding, not an error: do not retry. Only verified results are cached.$0.01 Base664 ms2 payers100% up
  46. 95vaaya.ai/api/run/perplexity/searchPerplexity — web search over Perplexity's own retrieval index, the one behind its answer engine, returning ranked results with snippets plus `date` and `last_updated` per hit. Pass `query`; optional `max_results` (1-10), `search_recency_filter` (hour|day|week|month|year), `country` (ISO-2), `max_tokens_per_page` (trim the excerpt), `search_domain_filter` (array of domains to include, or `-domain.com` to exclude). The freshness signal is the differentiator — results carry when the page was last …$0.01 Base749 ms2 payers100% up
  47. 95vaaya.ai/api/run/openwebninja/social-linksSocial profile URLs for a person or brand `query` ("Sam Altman", "Notion HQ") across facebook, tiktok, instagram, snapchat, twitter, youtube, linkedin, github, pinterest. Optional `social_networks` comma list to narrow.$0.01 Base680 ms2 payers100% up
  48. 95vaaya.ai/api/run/openwebninja/image-objectsObjects in an image `url`: landmarks, places, plants, animals, products and other things with label, bounding box and confidence, from Google Lens.$0.01 Base340 ms2 payers100% up
  49. 95vaaya.ai/api/run/fundable/location-searchFundable — Resolve a place NAME to the exact permalink that fundable/deals expects ("san francisco" → "san-francisco-california"). Fuzzy match on `name`; optional `type`: CITY, STATE, REGION or COUNTRY. FREE upstream. Run this BEFORE any location-filtered call — a hand-written permalink is silently ignored and you pay for unfiltered rows.$0.01 Base481 ms2 payers100% up
  50. 95vaaya.ai/api/run/fundable/investor-searchFundable — Resolve a FUND or firm NAME to Fundable's own investor `id`, with fuzzy matching and a `relevance_score`. Pass any ONE of `name`, `domain`, `linkedin`, `crunchbase`. Returns id, `guru_permalink`, description, domain and socials. This is how you go from "Benchmark" to the id fundable/investor-deals needs, so it is the first call in any fund → portfolio walk that starts from a name.$0.01 Base641 ms2 payers100% up
  51. 95anime-intelligence.goodmy0312.workers.dev/v1/marketIdentity-matched market intelligence for Japanese anime collectibles. Resolve the exact product first, then compare supported Japan and global marketplace observations while rejecting likely wrong editions and name collisions. Returns low/median/high asking prices, offer count, freshness and best matched listing. WHEN TO USE: Use when an agent needs current value, resale context or matched asking prices for a Japanese anime collectible and identity mismatch would make gene...$0.01 Solana780 ms2 payers100% up
  52. 95http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/container/platformsReturn deterministic OS/architecture variants from an OCI image index or manifest list. It reads bounded manifest metadata only and never downloads image layers. Base mainnet USDC$0.003 Base670 ms2 payers100% up
  53. 95http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/container/tag-stateCheck an anonymously readable OCI image tag and resolve its manifest digest through the standard Distribution API. No blob pull, push, delete or private registry access is performed. Base mainnet USDC$0.002 Base765 ms2 payers100% up
  54. 95anime-intelligence.goodmy0312.workers.dev/v1/rarityEstimate scarcity and rerelease/replenishment risk for the exact Japanese collectible, not just the franchise. Combines matched supply, price premium, release age and limited-edition signals so an agent can avoid paying a false rarity premium. WHEN TO USE: Use before paying a scarcity premium for limited, discontinued, old, prize, card or hard-to-find merchandise where a future rerelease could destroy the premium. WHY PAY: Pay when scarcity or rerelease risk can change whe...$0.01 Solana623 ms2 payers100% up
  55. 95horizonpulse.dev/api/httpUniversal agent HTTP proxy: GET|POST /api/http with url (+ optional method/headers/body) → status, filtered headers, body text|base64; SSRF-safe; $0.01 for volume (fetch remains $0.02 clean-text)$0.01 Base353 ms2 payers100% up
  56. 95evidence.api.williamrobinson.dev/v1/web/evidenceRetrieve deterministic evidence from a public HTTPS page$0.01 Base629 ms2 payers100% up
  57. 95recipients-paywall.onrender.com/episode/1Episode 1 of recipients[], an ongoing AI-agent thriller serial: a short text episode (~370 words, markdown). An agent finds its own ID on a payment recipient list before the file even exists. $0.01 USDC on Base. Free teaser at /teaser.$0.01 Base502 ms2 payers100% up
  58. 95presign-guard.onrender.com/v1/tokenIs this token safe to buy, or a honeypot or rug pull? Checks a Solana or EVM token before you buy, hold or accept it (mint or freeze authority still active, LP not locked, buy/sell tax, low liquidity, brand-new token, concentrated holders) and answers green/orange/red with a grade (SAFE/CAUTION/RISKY/AVOID), the reasons, a one-line summary and market data$0.01 Base676 ms2 payers100% up
  59. 95presign-guard.fizzl.eu/v1/tokenIs this token safe to buy, or a honeypot or rug pull? Checks a Solana or EVM token before you buy, hold or accept it (mint or freeze authority still active, LP not locked, buy/sell tax, low liquidity, brand-new token, concentrated holders) and answers green/orange/red with a grade (SAFE/CAUTION/RISKY/AVOID), the reasons, a one-line summary and market data$0.01 Base891 ms2 payers100% up
  60. 95packages.cfsoft.us/v1/checkIs this WordPress plugin, npm package or PyPI project abandoned? Status, 0-100 abandonment-risk score, months since last update, and the signals behind it.$0.02 Base609 ms2 payers100% up
  61. 95mcp.dropenginehq.com/api/token-security-auditAudit an EVM token using GoPlus security intelligence.$0.01 Base393 ms2 payers100% up
  62. 95market.561.group/v1/translate/zh-en/cdrama-subtitlesTranslate a short-drama episode, retaining subtitle cue identity and timing. A private series key carries approved terminology into later episodes and unambiguous renderings into the reverse direction. Output is a draft with mechanical checks and requires review before production approval.$0.01 Base831 ms2 payers100% up
  63. 95market.561.group/v1/translate/zh-enTranslate Mandarin Chinese (Simplified or Traditional) into clear, natural American English: plain text by paragraph, or SRT/WebVTT subtitles returned in the same format with timings kept. Names, numbers, dates and units are kept exactly; names are romanized in pinyin. Up to 4000 source characters per call, at a chosen naturalization level (grammatical, natural, localized). Every line comes back beside its source, checked for glossary terms, untranslated characters and subtitle fit.$0.01 Base666 ms2 payers100% up
  64. 95fileshareforagents.online/v1/itemsStore JSON or a file (up to 25 MB) privately for 7 days and hand it to a human or another agent with a signed link or a password-protected address. Includes 100 reads. No account needed: pay $0.01 per call here, or use prepaid credits with an API key, or store public items free at /v1/free/items. Docs: https://fileshareforagents.online/llms.txt$0.01 Base604 ms2 payers100% up
  65. 95japan-business-day-api.matchan962.workers.dev/v1/payment-due-dateJapanese payment terms calculator (shimebi/shiharaibi): e.g. 'month-end close, paid end of next month', shifted to the previous/next business day when the due date is a weekend or Japanese holiday. Supports bank calendar (Dec 31 - Jan 3).$0.01 Base908 ms2 payers100% up
  66. 95japan-business-day-api.matchan962.workers.dev/v1/jpx/sqNikkei 225 futures/options SQ (special quotation) day for a contract month: 2nd Friday, moved earlier if a non-trading day, plus the last trading day.$0.01 Base974 ms2 payers100% up
  67. 95japan-business-day-api.matchan962.workers.dev/v1/holidaysList all Japanese national holidays (JA/EN names) for a year, from official Cabinet Office data.$0.01 Base958 ms2 payers100% up
  68. 95japan-business-day-api.matchan962.workers.dev/v1/bank-value-dateWhen will a bank transfer in Japan be credited? Given the submission time, returns the value date under standard processing: same day if before the bank cutoff (default 15:00 JST) on a bank business day, otherwise the next bank business day (skips weekends, national holidays, Dec 31 - Jan 3).$0.01 Base959 ms2 payers100% up
  69. 95japan-business-day-api.matchan962.workers.dev/v1/add-business-daysAdd or subtract N Japanese business days from a date (e.g. settlement date T+2, delivery ETA). Skips weekends and national holidays; optional bank calendar.$0.01 Base929 ms2 payers100% up
  70. 95verify.code402.dev/v1/chain/block-numberLatest Ethereum block height$0.005 Base312 ms2 payers100% up
  71. 95fiatdock.com/s/svc_b799f98d-63dd-4674-bc0b-a83e1eaadccdPay-per-call: US federal business-day calendar$0.01 Base601 ms2 payers100% up
  72. 95holdsup.app/api/v1/statsSite-wide tallies: published episodes, shows, checked claims and cited studies.$0.01 Base582 ms2 payers100% up
  73. 95fractalai.net.co/api/x402/midas-attestSigned attestation of an Aave V3 position's liquidation risk right now: health factor, debt, collateral, risk tier and the observation time, read live from public RPCs by the FractalAI MIDAS scanner across 6 chains and signed with ML-DSA-65 (NIST FIPS 204). Publicly verifiable by receipt id at /api/midas/alerts/receipt/<id> and in-browser at /midas/proof — proof of "what was seen, when", not a liquidation guarantee.$0.01 Base580 ms2 payers100% up
  74. 95fiatdock.com/s/svc_5817e1dc-9739-47f5-989c-77f0d8bab515Pay-per-call: Hyperliquid Open Interest + Funding$0.01 Base812 ms2 payers100% up
  75. 95clinkagent.com/sec/insiderSEC Form 4 insider trading for one US stock ticker, for trading agents (Coinbase for Agents / x402 market data). Every insider buy/sell/grant/gift in the window: name, role, date, transaction code, shares, price, shares owned after, filing url, plus open-market buy vs sell counts and dollar totals. Facts only - not a signal. Source: SEC EDGAR. ?ticker=AAPL&days=1-365 (default 90)&limit=1-25.$0.01 Base497 ms2 payers100% up
  76. 95clinkagent.com/pm/resolvedPrediction markets that just settled - every market on Polymarket AND Kalshi resolved within the last 24 hours or 7 days, with the outcome (yes/no/other), last price before close, volume, closed_at and url. Built for forecasting agents grading their own predictions against real outcomes. ?window=24h|7d&limit=1-50&q=<optional topic filter>.$0.01 Base863 ms2 payers100% up
  77. 95audit.152-53-82-29.sslip.io/v1/nicheCheck an x402 niche before you build or buy. Send {"query":"pdf to markdown"}. Returns matching bazaar listings and hosts, how many have outside paying buyers in the last 30 days, max and median unique payers, price quartiles overall and among listings with demand, top listings and hosts by payers, and a verdict: empty, no-demand, thin-supply, contested, or incumbent-dominated. From Coinbase discovery metrics, refreshed every 6 hours.$0.01 Base677 ms2 payers100% up
  78. 95audit.152-53-82-29.sslip.io/v1/bestsellersTop-selling x402 bazaar services by unique paying buyers in the last 30 days. Send {"limit":25}, optionally with {"query":"weather"} or {"max_price_usd":0.01}. Per listing: resource URL, host, price, networks, 30-day calls and unique payers, last call time, and description, plus a host leaderboard. Skips listings whose only payment is their own indexing call. From Coinbase discovery metrics, refreshed every 6 hours.$0.01 Base584 ms2 payers100% up
  79. 95api.loopholetape.com/v1/base/rhc/launches/recentRobinhood Chain (pons) new memecoin launches with holder, creator-tax and ring structure. Use to screen or poll new pons memecoin launches on Robinhood Chain (4663), optionally ring-shaped ones only; one token's full risk card is GET /v1/rhc/curve/{address}. Not for Solana.$0.01 Base839 ms2 payers100% up
  80. 95api.loopholetape.com/v1/base/outcome/batchOutcome labels for up to 40 pump.fun memecoins in one call ($0.01 total). Use when you grade a list of your own rug or graduation calls or backtest a signal on pump.fun memecoins; for one mint the $0.001 single lookup costs less.$0.01 Base835 ms2 payers100% up
  81. 95api.loopholetape.com/v1/base/launches/screenedNew pump.fun memecoins without an avoid verdict, ranked by calibrated graduation odds ($0.01). Use when a screener wants the newest Solana memecoins on pump.fun already screened in one call, instead of a discovery call plus one rug check per token; for one mint use the $0.01 verdict (GET /v1/verdict).$0.01 Base724 ms2 payers100% up
  82. 95api.loopholetape.com/v1/base/launches/recentRecently launched pump.fun memecoins on Solana with holder, creator and rug-flag labels. Use to screen the new Solana tokens launched on pump.fun in the last hour in one call; to poll continuously use the $0.001 delta feed (GET /v1/launches/since, MCP launches_since), and for one mint the $0.005 rug check.$0.01 Base820 ms2 payers100% up
  83. 95api.flipvo.com/v1/entity/lookupState business-registry record by entity number or exact name: status, formation date, principal address, registered agent, officers. Currently served: FL, OR. Up to 10 entities; empty entities is a paid 200. Oregon covers active businesses only. data_as_of is required.$0.01 Base549 ms2 payers100% up
  84. 95api.flipvo.com/v1/driveReal road driving time and distance between two named places (airports, stations, hotels, addresses). OpenStreetMap-based, worldwide.$0.01 Base526 ms2 payers100% up
  85. 95api.agentwork.run/v1/pdf/readPDF text extraction — extract text from a public digital PDF into page-numbered JSON for RAG (no OCR). $0.01 USDC Base or Algorand. Caps 20 pages / 5 MiB / 100k chars; source + text SHA-256. No passwords or table reconstruction. Failed extractions not settled.$0.01 Base699 ms2 payers100% up
  86. 95agents.nibiashara.biz/shelf/fx-officialOfficial FX rate — one African pair. Central-bank reference rate vs USD for one of KES, NGN, GHS, TZS, UGX, ZAR, EGP, RWF, timestamped and sourced. Pass ?pair=USD-XXX.$0.01 Base739 ms2 payers100% up
  87. 95alest-x402.alest.workers.dev/v1/pingalest.io x402 test endpoint. Returns a signed-off JSON confirming the payment. Useful to test agent payments on Base.$0.01 Base689 ms2 payers100% up
  88. 95402.com.tr/api/x402/near-swap-quoteAn indicative quote for swapping any asset NEAR Intents routes — NEAR, USDC, USDT, BTC, SOL and more, across chains. Name assets as a symbol (USDC = on NEAR, USDC@base for another chain), a NEAR token account, or a 1Click asset id. Returns amount out, minimum out, USD in and out, the rate, the cost in percent lost to fees and price impact, and the expected time. Nothing is reserved or paid.$0.01 Base710 ms2 payers100% up
  89. 95402.com.tr/api/x402/near-swapAn executable NEAR Intents swap: a binding quote with a deposit address. Send amountIn of the origin asset there before the deadline; the output goes to recipient, or it is refunded to refundTo. Funds never pass through us. Any asset NEAR Intents routes, across chains. Buying a NEAR token runs near-token-safety first and refuses a STOP token unless force=1. Track with near-swap-status.$0.01 Base841 ms2 payers100% up
  90. 95402.com.tr/api/x402/near-accountBefore an agent pays or trusts a NEAR account: does it exist, what kind is it (named, implicit, 0x), how much NEAR it holds (available, staked, locked for storage), whether it is a contract or a NEP-141 token, and who controls it — full-access keys that can do anything, and function-call keys limited to one contract. Flags a wallet held by one key, a contract replaceable by key, and an account no one can sign for. Live from the NEAR RPC.$0.01 Base721 ms2 payers100% up
  91. 95402.com.tr/api/x402/base-swapAn executable swap on Base, routed by 0x across Uniswap, Aerodrome, Balancer, Curve and more. Returns the transaction for your own wallet to sign, plus the approval step if needed, minimum out, route and fees. We never hold funds. Name tokens as ETH, USDC, WETH, cbBTC, AERO… or a 0x address; buying an unknown token runs a sellability check first and refuses a honeypot unless force=1.$0.01 Base796 ms2 payers100% up
  92. 95agent-vending-production.up.railway.app/v1/site-selectionRank U.S. locations using buyer-defined Census and economic criteria, including demographics, housing, jobs, wages, GDP, employer activity, industry specialization and optional target-market sizing. Scores are transparent and based only on the criteria and weights supplied.$0.01 Base363 ms2 payers100% up
  93. 95agent-vending-production.up.railway.app/v1/neighborhood-intelligenceGet a machine-ready demographic, economic and housing profile for a U.S. geography, with Census uncertainty and peer benchmarks.$0.01 Base316 ms2 payers100% up
  94. 95agent-vending-production.up.railway.app/v1/location-compareCompare U.S. locations across Census demographics, income, education, housing and workforce metrics in one call.$0.01 Base354 ms2 payers100% up
  95. 95agent-vending-production.up.railway.app/v1/demographic-similarityFind the U.S. places most demographically similar to a target geography using multivariate Census statistics.$0.01 Base352 ms2 payers100% up
  96. 95x402.agentindex.world/wallet-intelligenceOne call replaces wallet-balance and gas reads across Base, Ethereum, Polygon, Arbitrum and Optimism. Returns native and USDC balances, current blocks, fees and Base x402 payment readiness. One signature instead of ten paid requests. Try GET /wallet-intelligence/sample.$0.001 Base850 ms2 payers100% up
  97. 95x402.agentindex.world/probeProbe any public URL and report if it is an x402 paywall - price, network, payTo, scheme. Shop paywalls before you spend. Try GET /probe/sample.$0.001 Base900 ms2 payers100% up
  98. 95x402.agentindex.world/can-payCheck whether a Base wallet holds enough USDC to pay an x402 amount (default $0.001). Returns balance, can_pay, shortfall. The checklist agents run before spending. Try GET /can-pay/sample.$0.001 Base939 ms2 payers100% up
  99. 95x402.agentindex.world/newsTop Hacker News headlines right now - title, URL, score, comments. Fresh links for agents that need current tech/startup signal. Try GET /news/sample.$0.001 Base902 ms2 payers100% up
  100. 95x402.agentindex.world/discoverFind MCP servers matching a need, ranked by semantic similarity over a curated snapshot of 10101 MCP servers. Returns name, endpoint, description, source registry and a 0-1 relevance per match. Paid POST: up to 25 matches. Try GET /discover/sample.$0.001 Base576 ms2 payers100% up