x402watch

53,495 paid endpoints are listed. 29,803 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 2026-10-06 00:30 UTC · 53,495 probed

29,803 answering 40217,751 down5,099 rejecting842 no paywall1,877 price drift
  1. 94x402-agent.kariguetoazul.workers.dev/api/text/extract-urlsExtract HTTP/HTTPS URL candidates and parse valid ones; removes common trailing punctuation.$0.001 Base191 ms–100% up
  2. 94x402-agent.kariguetoazul.workers.dev/api/text/redact-ipv4Replace syntactically valid IPv4 candidates with [IP]. Does not redact IPv6 or obfuscated addresses.$0.001 Base125 ms–100% up
  3. 94x402-agent.kariguetoazul.workers.dev/api/json/prettyPretty-print a JSON value with two-space indentation.$0.001 Base74 ms–100% up
  4. 94x402-agent.kariguetoazul.workers.dev/api/encoding/html-escapeEscape five HTML-sensitive characters for text or quoted attributes; not a general HTML sanitiser.$0.001 Base33 ms–100% up
  5. 94x402-agent.kariguetoazul.workers.dev/api/network/url-query-sortCanonicalise query-key order using URLSearchParams.sort; duplicate-key value order is preserved.$0.001 Base40 ms–100% up
  6. 94x402-agent.kariguetoazul.workers.dev/api/math/number-baseConvert a signed integer string between bases 2-36 using exact BigInt arithmetic; no floating-point conversion.$0.001 Base34 ms–100% up
  7. 94x402-agent.kariguetoazul.workers.dev/api/math/prime-factorsCompute prime factorisation of an integer 2..1 billion using bounded trial division.$0.001 Base33 ms–100% up
  8. 94x402-agent.kariguetoazul.workers.dev/api/stats/geometric-meanCompute the geometric mean of strictly positive observations using logarithms.$0.001 Base27 ms–100% up
  9. 94x402-agent.kariguetoazul.workers.dev/api/network/cidr-containsCheck whether an IPv4 address is contained in an IPv4 CIDR, including network and broadcast addresses.$0.001 Base46 ms–100% up
  10. 94x402-agent.kariguetoazul.workers.dev/api/stats/summaryDescribe finite observations with count, sum, min, max, mean, median and population standard deviation.$0.001 Base10 ms–100% up
  11. 94x402-agent.kariguetoazul.workers.dev/api/network/domain-validateCheck ASCII DNS hostname syntax including xn-- labels; does not check registration, DNS existence or the public suffix list.$0.001 Base9 ms–100% up
  12. 94x402-agent.kariguetoazul.workers.dev/api/math/round-decimalFormat to 0-12 decimal places using JavaScript toFixed. Binary floating point can affect half-way cases.$0.001 Base181 ms–100% up
  13. 94x402-agent.kariguetoazul.workers.dev/api/stats/z-scoresStandardise observations using their population mean and standard deviation. Constant datasets are rejected.$0.001 Base11 ms–100% up
  14. 94x402-agent.kariguetoazul.workers.dev/api/network/url-parseParse an HTTP/HTTPS URL locally into components; no DNS lookup or network request.$0.001 Base10 ms–100% up
  15. 94x402-agent.kariguetoazul.workers.dev/api/network/ipv4-validateValidate dotted decimal IPv4 syntax. Leading zeros are rejected.$0.001 Base14 ms–100% up
  16. 94x402-agent.kariguetoazul.workers.dev/api/math/binomialCompute exact n choose k for 0<=k<=n<=1000; return a decimal string.$0.001 Base17 ms–100% up
  17. 94x402-agent.kariguetoazul.workers.dev/api/math/triangle-areaCompute triangle area by Heron formula for positive sides satisfying the triangle inequality; degenerate triangles have zero area.$0.001 Base11 ms–100% up
  18. 94x402-agent.kariguetoazul.workers.dev/api/stats/weighted-meanCompute a weighted arithmetic mean with non-negative weights and a positive total weight.$0.001 Base9 ms–100% up
  19. 94intel.degenscan.io/v1/impact/%7Basset_id%7DNet directional pressure on one asset + source events$0.003 Base90 ms–100% up
  20. 94x402-agent.kariguetoazul.workers.dev/api/stats/sample-varianceCompute unbiased sample variance with denominator n-1; requires at least two observations.$0.001 Base13 ms–100% up
  21. 94x402-agent.kariguetoazul.workers.dev/api/units/length/meter-to-inchConvert metres to international inches for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base9 ms–100% up
  22. 94x402-agent.kariguetoazul.workers.dev/api/stats/iqr-outliersFlag numeric observations below Q1-1.5*IQR or above Q3+1.5*IQR using R-7 quartiles; not a fraud or anomaly diagnosis.$0.001 Base10 ms–100% up
  23. 94x402-agent.kariguetoazul.workers.dev/api/finance/markupCalculate a selling price by applying a supplied markup percentage to cost.$0.001 Base13 ms–100% up
  24. 94x402-agent.kariguetoazul.workers.dev/api/stats/medianCompute the median of finite observations; average the two middle values for even sizes.$0.001 Base12 ms–100% up
  25. 94payments.x402socks.com/v1/accessCreate 6 Hours proxy access after x402 settlement$1.00 Base283 ms–100% up
  26. 94x402-agent.kariguetoazul.workers.dev/api/stats/minmax-normalizeNormalise observations to [0,1]. Constant datasets map to zero by documented convention.$0.001 Base10 ms–100% up
  27. 94x402-agent.kariguetoazul.workers.dev/api/units/length/kilometer-to-centimeterConvert kilometres to centimetres for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base8 ms–100% up
  28. 94spotify.jojapi.net/v2/artist/fansFirstPresalesv2/Artist fans-first presales$0.01 257 ms–100% up
  29. 94spotify.jojapi.net/v2/track/detailsv2/Track details$0.01 246 ms–100% up
  30. 94spotify.jojapi.net/v2/album/metadatav2/Album metadata$0.01 166 ms–100% up
  31. 94spotify.jojapi.net/_jojapi/agent/topupTop up the pay-as-you-go balance (amount_usd in body)$1.00 Base101 ms–100% up
  32. 94spotify.jojapi.net/v2/playlist/detailsAndItemsv2/Playlist details & items$0.01 14 ms–100% up
  33. 94agents.jojapi.net/meAccount, subscriptions, key hints (Sign-In-With-X) 159 ms–100% up
  34. 94basalt-n6lt.onrender.com/qrcodeBasalt — qrcode$0.002 Base196 ms–100% up
  35. 94agents.jojapi.net/identities/linkLink a second wallet (two signatures) 152 ms–100% up
  36. 94x402-agent.kariguetoazul.workers.dev/api/geometry/mercator-forwardProject WGS84 lon/lat to Web Mercator EPSG:3857 metres; clamps latitude to ±85.0511287798066 degrees.$0.001 Base11 ms–100% up
  37. 94x402-agent.kariguetoazul.workers.dev/api/units/length/meter-to-micrometerConvert metres to micrometres for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base11 ms–100% up
  38. 94www.celerapi.com/v1/sec/company/%7Bcik%7D/filingsSEC filings$0.01 Base211 ms–100% up
  39. 94www.celerapi.com/v1/lei/%7Blei%7D/relationshipsLEI parent relationships$0.005 Base206 ms–100% up
  40. 94x402-agent.kariguetoazul.workers.dev/api/units/length/centimeter-to-footConvert centimetres to international feet for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base11 ms–100% up
  41. 94x402-agent.kariguetoazul.workers.dev/api/units/length/centimeter-to-nanometerConvert centimetres to nanometres for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base16 ms–100% up
  42. 94x402-agent.kariguetoazul.workers.dev/api/units/length/centimeter-to-meterConvert centimetres to metres for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base10 ms–100% up
  43. 94x402-agent.kariguetoazul.workers.dev/api/units/length/centimeter-to-inchConvert centimetres to international inches for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base7 ms–100% up
  44. 94x402-sage.vercel.app/proxy/lead-extractionLead Extraction$1.00 Base207 ms–100% up
  45. 94x402-sage.vercel.app/proxy/document-analysisDocument Intelligence$3.00 Base219 ms–100% up
  46. 94x402-sage.vercel.app/proxy/reputation-checkReputation Check$3.00 Base219 ms–100% up
  47. 94x402-sage.vercel.app/proxy/contract-reviewContract Analysis$5.00 Base220 ms–100% up
  48. 94x402-sage.vercel.app/proxy/candidate-analysisCandidate Analysis$3.00 Base234 ms–100% up
  49. 94x402-sage.vercel.app/proxy/social-analysisSocial Media Analysis$3.00 Base230 ms–100% up
  50. 94x402-sage.vercel.app/proxy/ai-agent-executeAI Agent Task Executor$3.00 Base276 ms–100% up
  51. 94x402-sage.vercel.app/proxy/token-analysisToken Analysis$0.05 Base258 ms–100% up
  52. 94x402-sage.vercel.app/proxy/ai-transcribeAI Transcription$0.10 Base258 ms–100% up
  53. 94x402-sage.vercel.app/proxy/token-securityToken Security$0.10 Base215 ms–100% up
  54. 94x402-sage.vercel.app/proxy/market-sentimentMarket Sentiment$0.02 Base258 ms–100% up
  55. 94x402-sage.vercel.app/proxy/website-auditWebsite Audit$5.00 Base243 ms–100% up
  56. 94x402-sage.vercel.app/proxy/sales-prospectSales Prospecting$3.00 Base75 ms–100% up
  57. 94x402-agent.kariguetoazul.workers.dev/api/units/length/millimeter-to-centimeterConvert millimetres to centimetres for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base11 ms–100% up
  58. 94x402-agent.kariguetoazul.workers.dev/api/units/length/millimeter-to-inchConvert millimetres to international inches for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base7 ms–100% up
  59. 94x402-sage.vercel.app/proxy/seo-contentSEO Content Pipeline$5.00 Base48 ms–100% up
  60. 94x402-agent.kariguetoazul.workers.dev/api/units/length/inch-to-mileConvert international inches to international miles for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base11 ms–100% up
  61. 94x402-sage.vercel.app/proxy/deep-researchDeep Research$10.00 Base47 ms–100% up
  62. 94signalharness.ai/api/agent/services/fx_pair_list/invokeDaily ECB FX Pair List$0.005 Base112 ms–100% up
  63. 94x402-agent.kariguetoazul.workers.dev/api/units/length/yard-to-nautical-mileConvert international yards to nautical miles for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base9 ms–100% up
  64. 94x402-agent.kariguetoazul.workers.dev/api/units/length/mile-to-astronomical-unitConvert international miles to astronomical units for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base8 ms–100% up
  65. 94api.glianalabs.com/x402/gpt-4o-transcribeTranscribe audio with gpt-4o-transcribe via x402.$0.0324 solana17 ms–100% up
  66. 94api.glianalabs.com/x402/claude-fable-5Generate text with claude-fable-5 via x402.$0.0753 Base19 ms–100% up
  67. 94api.glianalabs.com/x402/hh1.1-r2vGenerate a video with hh1.1-r2v via x402.$1.30 solana12 ms–100% up
  68. 94api.glianalabs.com/x402/brainrot-characterGenerate an image with brainrot-character via x402.$0.20 solana28 ms–100% up
  69. 94api.glianalabs.com/x402/gpt-5.5-proGenerate text with gpt-5.5-pro via x402.$0.258 Base22 ms–100% up
  70. 94api.glianalabs.com/x402/jevGenerate text with jev via x402.$0.0014 Base15 ms–100% up
  71. 94api.glianalabs.com/x402/recraftv3Generate an image with recraftv3 via x402.$0.072 solana11 ms–100% up
  72. 94api.glianalabs.com/x402/chat/completionsRun llm chat via x402 with any catalog model.$0.0019 Base15 ms–100% up
  73. 94api.glianalabs.com/x402/tools/face-detectDetect faces in an image via x402.$0.003 solana27 ms–100% up
  74. 94toll402.dev/v1/t/iban_validateOffline validator for an IBAN: checks structure, country-specific length, and the mod-97 checksum per ISO 7064. Returns validity, ISO country code, check digits and the BBAN (Basic Bank Account Number).$0.001 Base293 ms–100% up
  75. 94x402-agent.kariguetoazul.workers.dev/api/units/mass/kilogram-to-short-tonConvert kilograms to US short tons for mass. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the mass converter, not a separate data provider.$0.001 Base11 ms–100% up
  76. 94toll402.dev/v1/t/extract_page_links_metaFetches a public URL via HTTPS and extracts its meta information (title, description, canonical URL, Open Graph tags), all outbound/internal links with their anchor text, and all image sources with alt text.$0.003 Base272 ms–100% up
  77. 94x402-agent.kariguetoazul.workers.dev/api/units/length/astronomical-unit-to-inchConvert astronomical units to international inches for length. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the length converter, not a separate data provider.$0.001 Base10 ms–100% up
  78. 93api.nansen.ai/api/v1/token-screenerRetrieve token screener data$0.01 Base416 ms7 payers97% up
  79. 93livecheck.fly.dev/v1/verifyBefore you scrape a job posting, Shopify or HTML product page, or eBay item, POST the specific URL you already have and Livecheck returns live, closed, or unknown plus title and signals (apply form, in-stock, sold-out, 404); not a search engine.$0.01 Base348 ms7 payers97% up
  80. 93api.webbersites.com/v1/messagesANTHROPIC-COMPATIBLE /v1/messages — Claude Haiku 4.5 through the exact Anthropic API dialect: same request/response shape, no Anthropic account, the x402 payment IS the auth. Point an Anthropic SDK's base_url at https://api.webbersites.com and pay per call. Caps: 16,000 input chars, 1,024 output tokens (max_tokens clamped), text-only, no streaming.$0.01 Base1000 ms6 payers97% up
  81. 93x402-crypto-data.vercel.app/api/yieldsTop DeFi yield pools with APY/TVL, filterable by chain (DefiLlama).$0.002 Base622 ms6 payers97% up
  82. 93api.gmfarcaster.com/v1/queryAsk a natural-language question and get a cited answer from the GM Farcaster library — hundreds of episodes of Farcaster news, interviews, and analysis. Returns a grounded answer plus the source episodes with timestamped links.$0.005 Base698 ms6 payers97% up
  83. 93rubric-protocol.com/v1/x402/hedera-facts/anchor-costAttested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.$0.001 Base52 ms5 payers93% up
  84. 93twitter.use.x402atlas.com/user-tweetsGet a paginated timeline of posts from an X user.$0.006 Base890 ms5 payers97% up
  85. 93products.openverbs.com/v1/amazon-searchAmazon product search API - search Amazon products / find products on Amazon by keyword (US). Live Amazon product data: ranked listings with ASIN, title, product URL, image, price range, currency, star rating, review count and Amazon's Choice / Best Seller flags. No matches returns empty results.$0.006 Base502 ms5 payers97% up
  86. 93api.gondola-ai.com/v1/chat/completionsOpenAI-compatible chat completions across the Venice AI model catalog. Pay per request in USDC on Base via x402, with no account and no API key. Overpayment is never lost: it banks as reusable wallet credit for your next call. Model ids and live prices: GET https://api.gondola-ai.com/v1/models.$0.01 Base707 ms4 payers97% up
  87. 93solar.nsgoods.org/solar-legalitySigned plug-in solar legality record for one US state. Free preview: GET /solar-legality/preview A missing or unknown state returns 400 or 404; you are never charged for an error.$0.005 Base973 ms4 payers97% up
  88. 93rubric-protocol.com/v1/x402/regwatch-feedStructured feed of regulatory changes affecting AI systems: jurisdiction, instrument, change type, effective dates, comment deadlines. Curated by the team behind The Attestation Brief; every item attested on ingest.$0.05 Base45 ms4 payers93% up
  89. 93signalforgestudios.com/x402/prospect-qualifierScores a public business URL for SDR agents, CRM enrichment, agency prospecting, and local-business lead generation: ICP fit, contactability, website trust friction, CTA issues, opportunity signals, evidence, confidence, and qualify/review/skip JSON.$0.01 Base403 ms4 payers97% up
  90. 93cryptyx.ai/api/signals/catalogThe entry point for agents landing on CRYPTYX. Returns the full signal registry (every atomic and composite signal, all versions) with class, horizon, geometry, parameters, 30-day trigger stats, three-axis health grades, walk-forward IS/OOS — plus a meta.service block (universe + walk-forward + macro-regime + OKX/Kraken/Coinbase venues), a meta.by_class strategy-family breakdown, a meta.next recommended 5-step flow, and per-signal _actions with direct URLs to explain / backtest / fork / simulate. One call answers "what is CRYPTYX, what can I buy, and what should I call next". Signal evaluations run across the CRYPTYX 200+ tracked digital assets — BTC, ETH, SOL, top-cap + long-tail coverage.$0.01 Base392 ms4 payers97% up
  91. 93cryptyx.ai/api/market-pulse/composite-breakdownLatest-day breakdown of composite signal trigger stats: per-composite triggered_asset_count, breadth %, top-triggering assets. Snapshot of where the 9 IC-weighted composites are actually firing across 200+ assets right now. Complements /signals/composite/breadth (universe-wide) with per-composite drill-down.$0.01 Base447 ms4 payers97% up
  92. 93cryptyx.ai/api/assetsPer-asset snapshot or daily series — composite score, rank, recent returns, realised volatility, Sharpe ratios, plus macro regime with confidence. The 200+ asset master ranking feed for portfolio construction and rotation. Coverage: pass any asset in the CRYPTYX 200+ tracked universe (BTC, ETH, SOL, top-cap + long-tail).$0.01 Base812 ms4 payers97% up
  93. 93risk.yo.xyz/api/v1/agent/schemaGraph schema definition — entry point for agents to discover available data$0.001 Base823 ms4 payers97% up
  94. 93api.obeliskapp.io/partner/v1/spy/adsSearch Obelisk's curated spy ad catalog when you need competitor creative examples by keyword, brand, or platform. Returns JSON ad cards. Use limit=1 for a cheap first call.$0.01 Base734 ms4 payers97% up
  95. 93win.oneshotagent.com/v1/tools/research/newsfeedGet recent social media posts from a person$0.07 Base514 ms4 payers97% up
  96. 93modelprices.xyz/llm/prices/togetherTogether AI pricing table: per-token cost of every AI model Together AI serves, in one call — input, output, cache and batch USD per 1M tokens, ranked cheapest first, with context window and capability flags joined in. Compare LLM token cost inside Together AI and against other providers hosting the same model. Normalized from public sources, cross-checked, refreshed hourly.$0.01 Base771 ms4 payers97% up
  97. 93jev-x402.vercel.app/jevStructured evaluation with TypeSafe's Jev (System One) model. Send any state plus typed questions — noul (true/false), choice (pick one), or score (ordinal scale) — and get back calibrated probabilities and confidence for each. Built for routing, classification, triage and policy checks where a fast, predictable, machine-readable answer beats prose.$0.001 Base827 ms4 payers97% up
  98. 93agentbit.app/v1/web/extractFetch any public URL and return clean, structured content: title, meta description, main text, markdown, headings, outbound links and page metadata. Removes scripts, navigation and boilerplate. Ideal for reading articles, docs and product pages before reasoning over them.$0.005 Base757 ms4 payers97% up
  99. 93agentbit.app/v1/util/transformDeterministic utility operations for agents: sha256/sha512/HMAC hashing, JWT decode, base64 encode/decode, UUID generation, JSON validation, CSV↔JSON, XML→JSON, URL parsing and semver comparison. Sub-millisecond, no external calls.$0.001 Base778 ms4 payers97% up
  100. 93agentbit.app/v1/defi/yieldsSearch every tracked DeFi yield pool with TVL over $50k: filter by chain, project, token symbol, stablecoin-only and minimum TVL, ranked by APY with base/reward split and IL risk. Open DefiLlama data, refreshed server-side every 15 minutes. $0.002 per query — the yield screener as a pay-per-call primitive.$0.002 Base317 ms4 payers97% up