x402watch

52,953 paid endpoints are listed. 27,123 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 2026-10-05 06:00 UTC · 52,953 probed

27,123 answering 40219,794 down5,154 rejecting882 no paywall1,829 price drift
  1. 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
  2. 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
  3. 95squeezeos-api.onrender.com/api/fred/series/CPIAUCSLFRED economic data API. Fetch the latest official Federal Reserve economic-series value and metadata by FRED series ID.$0.01 Base311 ms2 payers100% up
  4. 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 Base954 ms2 payers100% up
  5. 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 Base750 ms2 payers100% up
  6. 95agent-data-api.agentdata.workers.dev/v1/contracts/opportunitiesSearch open U.S. federal contract opportunities (solicitations, presolicitations, sources sought) from a copy synced from SAM.gov several times a day. Use when you need current government RFPs or bids matching a title keyword, 6-digit NAICS code, small-business set-aside or place-of-performance state. Returns deduplicated JSON: notice ID, title, agency, NAICS, set-aside, posted date, response deadline, state, SAM.gov link and lastSynced. Defaults: last 7 days, 25 results (max 100).$0.01 Base813 ms2 payers100% up
  7. 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 Base682 ms2 payers100% up
  8. 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 Base660 ms2 payers100% up
  9. 95stabletravel.dev/api/flightaware/flights/SQ321Get flight information by ident (designator, registration, or fa_flight_id)$0.01 Base564 ms2 payers100% up
  10. 95shopscout.forgemesh.io/v1/searchSearch Shopify catalog products by query, destination and currency. Requires an enabled catalog connector.$0.01 Base589 ms2 payers100% up
  11. 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 Base718 ms2 payers100% up
  12. 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
  13. 95vaaya.ai/api/run/apify/amazon-productApify — Amazon product detail pages by ASIN or URL.$0.01 Base356 ms2 payers100% up
  14. 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 Base470 ms2 payers100% up
  15. 95www.agentfive.ai/api/acquirePurchase dossier for the domain agentfive.ai: fixed price US$5,000,000 USD, every payment route (USDC on Base, escrow, marketplace), the transfer procedure and the seller's attestation. Use when an agent or its operator wants to buy this domain name.$0.01 Base902 ms2 payers100% up
  16. 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 Base718 ms2 payers100% up
  17. 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 Base770 ms2 payers100% up
  18. 95vaaya.ai/api/run/openwebninja/website-contactsEmails, phone numbers and social profile links (LinkedIn, X, Facebook, Instagram, TikTok, YouTube, GitHub, Pinterest) scraped live from a website root domain `query` ("acme.com"). Optional `match_email_domain` (only emails on that domain), `external_matching`. One call per domain, no name needed — different from tomba/icypeas person-level finders.$0.01 Base956 ms2 payers100% up
  19. 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 Base812 ms2 payers100% up
  20. 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 Base409 ms2 payers100% up
  21. 95vaaya.ai/api/run/fundable/person-searchFundable — Resolve a PERSON to Fundable's own person `id`, across both investors and non-investor people. Pass exactly ONE of `name`, `id`, `linkedin`, `crunchbase`, `twitter`. The id it returns is what fundable/person-deals takes, so this is the first call when you want every round an angel or a named partner has backed and you only have their name or profile URL.$0.01 Base646 ms2 payers100% up
  22. 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 Base814 ms2 payers100% up
  23. 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 Base827 ms2 payers100% up
  24. 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 Solana664 ms2 payers100% up
  25. 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 Base749 ms2 payers100% up
  26. 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 Base305 ms2 payers100% up
  27. 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 Base452 ms2 payers100% up
  28. 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 Base614 ms2 payers100% up
  29. 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 Base745 ms2 payers100% up
  30. 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 Base530 ms2 payers100% up
  31. 95mcp.dropenginehq.com/api/token-security-auditAudit an EVM token using GoPlus security intelligence.$0.01 Base363 ms2 payers100% up
  32. 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 Base510 ms2 payers100% up
  33. 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 Base383 ms2 payers100% up
  34. 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 Base597 ms2 payers100% up
  35. 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 Base892 ms2 payers100% up
  36. 95japan-business-day-api.matchan962.workers.dev/v1/koyomi/findFind auspicious dates in Japan: list days in a range (up to 366 days) matching rokuyo (e.g. taian) and optional weekdays (e.g. sat,sun) - for scheduling weddings, moving, contract signing and ceremonies.$0.01 Base875 ms2 payers100% up
  37. 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 Base811 ms2 payers100% up
  38. 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 Base904 ms2 payers100% up
  39. 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 Base780 ms2 payers100% up
  40. 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 Base906 ms2 payers100% up
  41. 95holdsup.app/api/v1/statsSite-wide tallies: published episodes, shows, checked claims and cited studies.$0.01 Base665 ms2 payers100% up
  42. 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 ($0.01)$0.01 Base497 ms2 payers100% up
  43. 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 Base608 ms2 payers100% up
  44. 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 Base619 ms2 payers100% up
  45. 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 Base559 ms2 payers100% up
  46. 95api.macaroonnetwork.com/execute/companies-house-live-discovery-v1Discover current UK companies through the official Companies House advanced search using bounded filters for company-name inclusion, status, type, incorporation date range, location, and five-digit SIC code. Returns at most 20 normalized company-level public-register records.$0.01 Base960 ms2 payers100% up
  47. 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 Base790 ms2 payers100% up
  48. 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 Base763 ms2 payers100% up
  49. 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
  50. 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 Base785 ms2 payers100% up
  51. 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 Base530 ms2 payers100% up
  52. 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 Base784 ms2 payers100% up
  53. 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 Base851 ms2 payers100% up
  54. 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
  55. 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 Base779 ms2 payers100% up
  56. 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 Base880 ms2 payers100% up
  57. 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 Base728 ms2 payers100% up
  58. 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 Base853 ms2 payers100% up
  59. 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 Base465 ms2 payers100% up
  60. 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 Base359 ms2 payers100% up
  61. 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 Base359 ms2 payers100% up
  62. 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 Base372 ms2 payers100% up
  63. 95x402.agentindex.world/pdfExtract a public PDF (by HTTPS URL or base64) into clean Markdown - headings and tables preserved via layout-aware parsing, plus title/author/page count/date metadata and a real token count. Text content itself is never generated or altered, only its structure is inferred. Try GET /pdf/sample. Part of the AgentIndex content kit (pdf, web-read, extract, summarize, detect-language) - see GET /capabilities.$0.002 Base994 ms2 payers100% up
  64. 95x402.agentindex.world/wallet-intelligenceReplace ten wallet and gas requests with one five-network payment preflight.$0.001 Base868 ms2 payers100% up
  65. 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 Base946 ms2 payers100% up
  66. 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 Base984 ms2 payers100% up
  67. 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
  68. 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 Base891 ms2 payers100% up
  69. 95x402-factory.com/v1/aviation/delay-risk/BOSBOS weather delay risk for the next 48 hours — Weather-driven delay risk for Boston Logan (BOS) over the next 48 hours: 6-hour risk scores from forecast wind gusts, convective potential, winter and sustained precipitation, and heavy cloud cover at the field. Same shape as the generic delay-risk endpoint, bound to BOS.$0.02 Base343 ms2 payers100% up
  70. 95predix-agent-api.fly.dev/agent/marketsRead SMX (Space Markets Stage 1) testnet event markets on space milestones, e.g. Starship Flight 14 and The Moon Race, on Base Sepolia (eip155:84532): list markets, market detail, or mid price in cents. Each read costs $0.01 test USDC via x402. Test collateral has no monetary value. This API does not place orders: trading is wallet-signed from your own wallet per https://smx.space/skill.md. Docs: https://smx.space/llms.txt$0.01 Base Sepolia518 ms2 payers100% up
  71. 95predix-agent-api.fly.dev/v1/markets/moon-race-us-china-test-v2/midRead SMX (Space Markets Stage 1) testnet event markets on space milestones, e.g. Starship Flight 14 and The Moon Race, on Base Sepolia (eip155:84532): list markets, market detail, or mid price in cents. Each read costs $0.01 test USDC via x402. Test collateral has no monetary value. This API does not place orders: trading is wallet-signed from your own wallet per https://smx.space/skill.md. Docs: https://smx.space/llms.txt$0.01 Base Sepolia449 ms2 payers100% up
  72. 95predix-agent-api.fly.dev/agent/markets/starship-f14-splashdown-testRead SMX (Space Markets Stage 1) testnet event markets on space milestones, e.g. Starship Flight 14 and The Moon Race, on Base Sepolia (eip155:84532): list markets, market detail, or mid price in cents. Each read costs $0.01 test USDC via x402. Test collateral has no monetary value. This API does not place orders: trading is wallet-signed from your own wallet per https://smx.space/skill.md. Docs: https://smx.space/llms.txt$0.01 Base Sepolia336 ms2 payers100% up
  73. 95predix-agent-api.fly.dev/v1/markets/starship-f14-splashdown-test/midRead SMX (Space Markets Stage 1) testnet event markets on space milestones, e.g. Starship Flight 14 and The Moon Race, on Base Sepolia (eip155:84532): list markets, market detail, or mid price in cents. Each read costs $0.01 test USDC via x402. Test collateral has no monetary value. This API does not place orders: trading is wallet-signed from your own wallet per https://smx.space/skill.md. Docs: https://smx.space/llms.txt$0.01 Base Sepolia391 ms2 payers100% up
  74. 95ichimoku-signal.onrender.com/signal/:pairIchimoku Cloud signal (tenkan/kijun cross, cloud position, bullish/bearish/neutral) for a crypto pair (top 200 coins) on live candles from Binance.US, Kraken, Gate or MEXC.$0.02 Base383 ms2 payers100% up
  75. 95api.robinx.io/arc/feed/newNewest Arc token launches, attributed to their pad and deployer at mint, with transfer and recipient counts — filter by pad$0.02 Base359 ms2 payers100% up
  76. 95rubric-protocol.com/v1/x402/decision-verifyVerify a Rubric decision attestation (DAR/0.1): Merkle inclusion proof, HCS anchor ref, service signature status, drift flag. Pass agentId instead for a chain-check continuity report. Not found means no charge. $0.10 either mode.$0.10 Base333 ms2 payers100% up
  77. 95products.openverbs.com/v1/amazon-productAmazon product detail API (US) by ASIN - Amazon product data for one ASIN: title, product URL, image, price range, discount, currency, star rating, review count, category path, availability and description. Amazon prices and product-detail lookup. Unknown ASIN returns found=false.$0.006 Base373 ms2 payers100% up
  78. 95bykaranteli.com/api/x402/jupiter-historyHourly Jupiter Perps history per market (SOL, ETH, BTC) and metric: exact long and short open interest read from the on-chain custody state (guaranteedUsd, globalShortSizes), long and short pool utilization, hourly borrow rates, custody AUM, price and 24h volume, plus JLP pool AUM, price and APR under market JLP; recorded on our side from 2026-09-02. The free /api/public/jupiter returns the live board and up to 30 days of hourly OI history.$0.10 Base620 ms2 payers100% up
  79. 95overwing.ai/api/x402/evaluateOverwing guardrail: check text before you send, post, or act on it. Content moderation, PII detection, confidential leak detection, toxicity, self-harm and severity in ~150 ms. Returns a verdict plus one recommended_action (block / redact / review / allow) with calibrated confidence. Pass context (recipient, channel, owns_contact_info) with the outbound-message set. $0.002 USDC, no account.$0.002 Base409 ms2 payers100% up
  80. 95laso.finance/get-push-to-cardSend money to a debit card via push-to-card. Supports USD (U.S.), EUR (Eurozone), and GBP (U.K.). Returns a redemption URL to enter card details.$11.50 Base594 ms2 payers100% up
  81. 95signalforgestudios.com/x402/message-matchAd copy and public landing-page URL to evidence-linked checks for missing offer phrases, numbers, CTA and lead-capture elements. Bounded HTML inspection, not rendered-page vision or semantic conversion prediction.$0.03 Base339 ms2 payers100% up
  82. 95api.macaroonnetwork.com/execute/christian-scripture-lookup-v1Retrieve a bounded passage from the public-domain Berean Standard Bible or World English Bible with exact source labels and provenance.$0.001 Base471 ms2 payers100% up
  83. 95agents.dexl.io/v1/marketplace/probeA deliberately cheap paid call, for checking that your wallet, network and x402 client actually work against this gateway before you spend more on a real product. It settles a real payment and echoes back what we saw: network, scheme, amount and your address.$0.001 Base749 ms2 payers100% up
  84. 95x402orcle.vercel.app/api/consult/oracle_askPaid x402/MCP/A2A/Bazaar consult. Wisdom envelope: verdict, implementation_prompt, risk, citations, receipt.$0.10 Base479 ms2 payers100% up
  85. 95mcp.courtdelta.com/x402/lookup-court-caseLook up a North Carolina (NC) court case or traffic citation and get its status, hearing dates, charges, party roster and counsel, dispositions, service of process, and bail / failure-to-appear signals. Supply ONE of caseNumber, citation, portalSessionRef or caseHash. Read-only. Informational, not legal advice.$0.05 Base491 ms2 payers100% up
  86. 95api.powahub.ai/CertainData/holidays/:iso2/:yearDated public-holiday list for a country and year.$0.007 Base681 ms2 payers100% up
  87. 95scvd.store/api/buy/packa pack of cards. Five signed pressings from the season's set, drawn by HMAC over the day's committed seed on the wheels at /design, each with a print number, a page at /p/{card_id} that unfurls, and a verify URL; the signed manifest at /api/pack/{pack_id} binds the seed commit and the inputs, and a crossed milestone drops a one-of-one in. Instant. Full listing: https://scvd.store/menu/pack. MCP tool: buy_pack.$0.99 Base442 ms2 payers100% up
  88. 95scvd.store/api/buy/attestation_bundleA Sheaf of Attestations. REQUIRES ?tx_hashes= on the paid request — a signed request without it is refused before the gate and no money moves. Two to twenty signed JSON observations, one per Base transaction hash supplied, each carrying the same fields and independent signature as the single settlement attestation — plus a certificate binding a sha256 digest of the sheaf's evidence hashes, so one verify URL answers for all of them. Instant. Full listing: https://scvd.store/m…$0.05 Base462 ms2 payers100% up
  89. 95truevaluerankings.com/premium/custom-rankingCustom-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 USDC per call. Educational model output, not a recommendation.$0.05 Base520 ms2 payers100% up
  90. 95relaybox-phcqcexu4a-uc.a.run.app/v1/inboxesBuy a 24-hour durable callback inbox. Ordered events, acknowledgment and replay. See /llms.txt for required recovery headers.$0.01 Base902 ms2 payers100% up
  91. 95cf-enforcement-check.cf-exclusion-check.workers.dev/v1/checkAny federal enforcement action, court record or filing against this company? Verdict, match count, the names matched on, agencies, latest date, 90-day and 12-month counts. Signals from public records, not a compliance screen.$0.05 Base937 ms2 payers100% up
  92. 95palmyr.ai/social/twitter/disputeFile a dispute for a pool-bought X account (e.g. dead/suspended) to request a refund.$0.01 Solana485 ms2 payers100% up
  93. 95x402check.arden-instance.workers.dev/checkLive x402 conformance pre-flight check: pass ?url=<x402 endpoint>, get a structured PASS/WARN/FAIL verdict on its 402 challenge before you trust it with a real payment.$0.002 Base307 ms2 payers100% up
  94. 95pennyregwatch.com/v1/searchReal-time web search for AI agents. Search the web for current and up-to-date information, news, facts, research, documentation, and sources beyond model training data. Returns ranked structured JSON results with title, URL, description, and position for web grounding, RAG retrieval, research, and fact-finding. Send query, optional limit, and optional freshness as URL parameters. Keyless x402 pay-per-call; no API key, account, or subscription required.$0.004 Base558 ms2 payers100% up
  95. 95api.oblique.markets/api/v1/paid/token-flow-activityUse when an agent needs recent Solana token-flow activity for one wallet or token mint without an indexer account: which tokens moved, in which direction, with whom, and whether a public DEX program was involved. Returns normalized per-transaction flows (mint, owner, signed delta, decimals), counterparties, an activity read (transfer, swap, mint_burn), program labels, block time and slot, RPC provenance, freshness and a receipt with repeat-payer evidence. $0.02 per call via x402 on Solana or Bas$0.02 Base443 ms2 payers100% up
  96. 95api.oblique.markets/api/v1/paid/payer-profileUse when a Base address just paid you and you want to know what it is before you act on it. Returns its public x402 payment footprint in the window (payments, distinct recipients, cadence, native activity, what this shop has seen of it) and a class with evidence and confidence — disclosed_scout, scheduled_verifier, catalogue_sweep, paying_index, repeat_buyer, single_touch — plus the rule for reading it. Not an identity claim. Free doors: /api/v1/payer-profile/example and /classes.$0.01 Base398 ms2 payers100% up
  97. 95agents.dexl.io/v1/audio/transcriptionsTurn speech into text: send base64 audio, get a plain transcript back. Handles WAV, MP3, FLAC and OGG up to about eight minutes per call. Priced per call with x402.$0.0025 Base393 ms2 payers100% up
  98. 95api.macaroonnetwork.com/execute/cyber-vulnerability-risk-search-v1Search CVEs, CISA Known Exploited Vulnerabilities status, and GitHub Security Advisory package/ecosystem metadata in one call. Composes three separately licence-cleared sources: the NVD CVE API (CVSS scoring, descriptions), CVE Program data from cve.org (delivered via NVD), the CISA KEV catalog (CC0 1.0), and the GitHub Security Advisory Database's github-reviewed set (CC-BY-4.0), ingested only via a local git checkout of the public repository -- never the live GitHub Security Advisories API. Do$0.003 Base429 ms2 payers100% up
  99. 95agent-api-listings.46-224-157-88.sslip.io/v1/packagesProvide an API origin, inline OpenAPI document, and optional target list. Receive JSON with ready, blocked, or unsupported mpp.dev and x402-list packages and a static document-readiness report, without submission or directory fees.$0.20 Base683 ms2 payers100% up
  100. 95x402.crackthe.work/v1/decomposeOne decompose call: scope documents in, a contract-grade work breakdown out.$0.25 Base329 ms2 payers100% up