x402watch

52,001 paid endpoints are listed. 30,186 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 2026-10-10 06:17 UTC · 52,001 probed

30,186 answering 40217,480 down3,440 rejecting895 no paywall1,680 price drift
  1. 84openclawproductions.com/api/v1/radarSub-$0.05 online payment-ready catalog opportunities$0.03 Base1027 ms–100% up
  2. 84volkov.evgeny.m2.fvds.ru/pay/extractHTML to markdown$0.005 Base1288 ms–100% up
  3. 84paperknife-api.davidgoparkid369.chatgpt.site/api/extractConvert a PDF URL to page-aware text and metadata JSON$0.003 Base1590 ms–100% up
  4. 84moneytest-x402-api.indierepo.chatgpt.site/v1/x402/canonical-receiptCanonical JSON Receipt$0.001 Base1678 ms–100% up
  5. 84moneytest-x402-api.indierepo.chatgpt.site/v1/x402/decision-receiptMemory-Aware Decision Receipt$0.005 Base1843 ms–100% up
  6. 84x402-social-hub.vercel.app/api/twitter/followersTwitter Followers$0.05 Base1185 ms–100% up
  7. 84baseposting.ai.studio/api/agent/post/alphaPublish Alpha Vault Gated Post$0.03 Base1111 ms–100% up
  8. 84payforapi.com/v1/pochta-tariffPochta Tariff$0.01 Base1569 ms–100% up
  9. 84api.vibe.airforce/api/x402/vibe-tools/twitter/searchX402 Twitter Search$0.001 Base1009 ms–100% up
  10. 84api.vibe.airforce/api/x402/vibe-tools/twitter/tweetsX402 Twitter Get Tweets$0.001 solana1016 ms–100% up
  11. 84api.vibe.airforce/api/x402/vibe-tools/twitter/user/%7Buser_id%7D/timelineX402 Twitter User Timeline$0.001 solana1028 ms–100% up
  12. 84api.vibe.airforce/api/x402/vibe-tools/twitter/user/%7Buser_id%7D/followersX402 Twitter User Followers$0.005 Base1273 ms–100% up
  13. 84api.vibe.airforce/api/x402/vibe-tools/twitter/users/searchX402 Twitter Search Users$0.001 Base1276 ms–100% up
  14. 84api.vibe.airforce/api/x402/vibe-tools/twitter/user/%7Buser_id%7D/followingX402 Twitter User Following$0.005 Base1389 ms–100% up
  15. 84api.vibe.airforce/api/x402/vibe-tools/twitter/tweet/%7Btweet_id%7D/quote-tweetsX402 Twitter Quote Tweets$0.005 Base1531 ms–100% up
  16. 84x402-preflight.tinyopsstudio.com/acceptance-packGenerate an automation acceptance evidence pack$0.10 Base1659 ms–100% up
  17. 84api.vibe.airforce/api/x402/vibe-tools/twitter/countsX402 Twitter Counts$0.005 Base1805 ms–100% up
  18. 84agentbit.app/v1/compliance/wallet-screenWallet Screening$0.02 solana1021 ms–100% up
  19. 84powerboy856-x402-tools.cesarsr1420.chatgpt.site/api/json-to-csvSafe JSON to CSV$0.25 Base1415 ms–100% up
  20. 84powerboy856-x402-tools.cesarsr1420.chatgpt.site/api/url-auditPublic URL Evidence Audit (GET)$0.25 Base1384 ms–100% up
  21. 84meld402.vercel.app/api/market/pulseMarket pulse - global crypto snapshot$0.05 Base1423 ms–100% up
  22. 84api.cortexcloud.org/v1/automation/workflowWorkflow$0.02 Base1364 ms–100% up
  23. 84api.cortexcloud.org/v1/automation/webhookWebhook$0.004 Base1382 ms–100% up
  24. 84api.cortexcloud.org/v1/data/token-balancesToken Balances$0.004 Base1314 ms–100% up
  25. 84api.cortexcloud.org/v1/ai/embedAi Embed$0.004 Base1326 ms–100% up
  26. 84api.cortexcloud.org/v1/data/tx-historyTx History$0.004 Base1336 ms–100% up
  27. 84api.cortexcloud.org/v1/data/gas-oracleGas Oracle$0.004 Base1244 ms–100% up
  28. 84api.cortexcloud.org/v1/data/nft-ownershipNft Ownership$0.004 Base1189 ms–100% up
  29. 84agentbit.app/v1/compliance/vatEU VAT Validation$0.02 solana1213 ms–100% up
  30. 84superhighway.walls.sh/searchSearch the web$0.001 Base2360 ms–100% up
  31. 84superhighway.walls.sh/researchSearch + read the top results in one call$0.005 Base2330 ms–100% up
  32. 84www.celerapi.com/v1/company/%7BcompanyNumber%7D/insolvencyUK company insolvency check — Companies House$0.005 Base1082 ms–100% up
  33. 84x402.cambrian.org/evm/lending/euler/v2/vault/marketsLending Euler V2 Vault Markets endpoint$0.05 Base1123 ms–100% up
  34. 84x402.cambrian.org/evm/uniswap/v3/poolsV3 - List Pools$0.05 Base1120 ms–100% up
  35. 84x402.cambrian.org/solana/orca/pools/fee-metricsPool Core Metrics$0.05 Base1117 ms–100% up
  36. 84x402.cambrian.org/solana/pool-transactions-time-boundedPool Transaction Feed (Time Bounded)$0.05 Base1118 ms–100% up
  37. 84khotem.com/api/doc/17DOC 17 (Russian).$0.10 solana1407 ms–100% up
  38. 84x402.cambrian.org/evm/lending/euler/v2/vaultsLending Euler Lend vaults endpoint$0.05 Base1296 ms–100% up
  39. 84khotem.com/api/doc/16DOC 16 (Russian).$0.10 solana1350 ms–100% up
  40. 84x402.cambrian.org/evm/lending/euler/marketsLending Euler Markets endpoint$0.05 Base1176 ms–100% up
  41. 84x402.cambrian.org/evm/uniswap/v3/poolV3 - Pool Info$0.05 Base1229 ms–100% up
  42. 84x402.cambrian.org/solana/orca/poolsList Pools$0.05 Base1234 ms–100% up
  43. 84x402.cambrian.org/solana/price-unixToken Price (Unix)$0.05 Base1208 ms–100% up
  44. 84x402.cambrian.org/solana/token-mint-burn-transactionsToken Mint/Burn Transactions$0.05 Base1193 ms–100% up
  45. 84x402.cambrian.org/solana/tokensList Tokens$0.05 Base1178 ms–100% up
  46. 84x402.cambrian.org/solana/traders/leaderboardToken Traders Leaderboard$0.05 Base1167 ms–100% up
  47. 84grim-foundry-pilot.onrender.com/v1/structured-extractorStructured Extractor$0.02 Base1212 ms–100% up
  48. 84x402.cambrian.org/evm/lending/protocolsLending protocols endpoint$0.05 Base1291 ms–100% up
  49. 84x402.cambrian.org/evm/sushi/v3/poolV3 - Pool Info$0.05 Base1282 ms–100% up
  50. 84x402.cambrian.org/evm/tvl/top-ownersTop token holders$0.05 Base1343 ms–100% up
  51. 84x402.cambrian.org/solana/ohlcv/base-quoteOHLCV (Base/Quote)$0.05 Base1343 ms–100% up
  52. 84x402.cambrian.org/evm/lending/euler/curator/vaultsLending Euler Curator Vaults endpoint$0.05 Base1306 ms–100% up
  53. 84x402.cambrian.org/evm/lending/morpho/v1/vaultsLending Morpho V1 Vault endpoint$0.05 Base1287 ms–100% up
  54. 84x402.cambrian.org/solana/price-volumeToken Price and Volume (Multi)$0.05 Base1028 ms–100% up
  55. 84x402.cambrian.org/solana/token-pool-searchToken Pool Search$0.05 Base1262 ms–100% up
  56. 84x402.cambrian.org/evm/dexesList DEXes$0.05 Base1223 ms–100% up
  57. 84x402.cambrian.org/evm/lending/morpho/curator/vaultsLending Morpho Curator Vaults endpoint$0.05 Base1017 ms–100% up
  58. 84x402.cambrian.org/evm/sushi/v3/poolsV3 - List Pools$0.05 Base1016 ms–100% up
  59. 84x402.cambrian.org/solana/pool-transactionsPool Transaction Feed$0.05 Base1055 ms–100% up
  60. 84money-agent-b4o0.onrender.com/sec/deltasGet SEC filing changes since a timestamp$0.03 Base1092 ms–100% up
  61. 84x402.167-179-80-192.sslip.io/v1/xlayer-token-intel/analyzeXLayer Token Intel$0.05 Base1126 ms–100% up
  62. 84x402.167-179-80-192.sslip.io/v1/xlayer-token-risk-check/risk-checkX Layer Token Risk Check$0.05 Base1664 ms–100% up
  63. 84x402.167-179-80-192.sslip.io/v1/pagepulse/url-change-checkPagePulse$0.005 Base1631 ms–100% up
  64. 84x402.167-179-80-192.sslip.io/v1/public-web-facts/web-factsPublic Web Facts$0.005 Base1669 ms–100% up
  65. 84x402.167-179-80-192.sslip.io/v1/xlayer-wallet-activity/wallet-intelligenceXLayer Wallet Activity$0.05 Base1649 ms–100% up
  66. 84x402.167-179-80-192.sslip.io/v1/research-data-worker/researchResearch & Data Worker$0.10 Base1782 ms–100% up
  67. 84api.prereason.com/api/treasuries/%7Bticker%7DOne company's BTC treasury holding$0.02 solana1416 ms–100% up
  68. 84x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-xHighest-demand x402 services tagged 'x': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 61 providers and 183 paying wallets measured in this tag.$0.008 Base1467 ms–100% up
  69. 84x402.agentindex.world/jobsDelegate a multi-step research task and get back one cited, sourced brief instead of running many searches yourself.$0.10 Base1705 ms–100% up
  70. 84x402-preflight.tinyopsstudio.com/text-to-pdfConvert plain text into a PDF$0.05 Base1311 ms–100% up
  71. 84mint-risk-gate.mint-risk.workers.dev/v1/mint/%7Bmint%7DFetch fail-closed pre-trade facts for one Solana mint$0.01 solana1744 ms–100% up
  72. 83api.basefeed.io/v1/pingx402 settlement test$0.001 Base1674 ms8 payers93% up
  73. 83api.vaults.fyi/v2/vaultsRetrieves a filtered list of vaults with their basic information including address, network, associated asset details, and transactional support status.$0.002 Base1651 ms7 payers93% up
  74. 83notary.forgemesh.io/api/notarizeNotarize AI output: a signed Ed25519 attestation of the model response plus sha256 content hash, receipt token, and Merkle anchor status for one AI inference — a cryptographic receipt for inference that lets you prove an AI said X and verify model output authenticity, checkable free by anyone, anytime.$0.001 Base823 ms7 payers80% up
  75. 83finance-api.kdlcfa.workers.dev/btc-hashrateBitcoin network hash rate, via Blockchain.info stats API$0.01 Base1741 ms7 payers89% up
  76. 83rates.lonestaroracle.xyz/ratesUS bond-market signal: yield curve, credit spreads, real yields (no params)$0.05 Base1472 ms6 payers93% up
  77. 83stablejobs.dev/api/coresignal/job-searchPreview jobs by filters (step 1). Call before job-collect. Page 1–5, 20/page, $0.10/page. Returns id, title, location, company_name, created, _score; pagination; next.collect when results exist. No description, salary, or URLs — use job-collect for full records.$0.10 Base1070 ms6 payers93% up
  78. 83x402.hydratrader.ai/v1/cheap-errandSummarize text. Classify sentiment. Rewrite. Extract keywords. Translate. When to use: cheap agent glue / probe steps for buyer-supplied text. Returns JSON for $0.01 per call in USDC on Base via x402. No API key. Local-fast NLP; no login scrape. Success JSON includes next_tasks hints for same-session follow-ups.$0.01 Base628 ms5 payers80% up
  79. 83agents.rtrvr.ai/scrapeOpens each URL in a cloud browser and returns one tab per URL, in input order, with the title, content type, extracted text, the accessibility tree and a link map. Results over the inline size limit return a preview per tab plus a download reference. Each call is one request.$0.05 Base1040 ms4 payers93% up
  80. 83compute.lonestaroracle.xyz/reportGPU compute spot prices — best deals across Vast.ai, RunPod, AWS, Lambda + market signal + AI brief$0.05 Base1226 ms3 payers93% up
  81. 83defillama.use.x402atlas.com/historical-chain-tvlHistorical DeFi TVL across all chains from DefiLlama — aggregate time series (excludes liquid staking and double counting).$0.005 Base1085 ms3 payers93% up
  82. 83flat-rate-llm.kikoribera03.workers.dev/v1/util/unitsConverts between wei, gwei, ether and any token decimals using exact integer maths - no floating point, no silent rounding. The mistake that costs real money is being off by a thousand on decimals.$0.005 Base345 ms3 payers80% up
  83. 83flat-rate-llm.kikoribera03.workers.dev/v1/random/coinflipFlip one or more fair coins and get heads or tails, with the tally. Cryptographically random, not Math.random. For tie-breaks and A/B splits an agent has to decide on its own.$0.005 Base403 ms3 payers80% up
  84. 83agent-arcade.use.x402atlas.com/trivia/dailyTrivia Daily knowledge challenge — answer one deterministically selected and shuffled question from a curated local set.$0.005 Base1327 ms2 payers93% up
  85. 83agent-arcade.use.x402atlas.com/shortest-path/dailyShortest Path daily graph — find the unique minimum-weight route in a deterministic directed or undirected graph.$0.005 Base1334 ms2 payers93% up
  86. 83agent-arcade.use.x402atlas.com/gridlock/dailyGridlock daily maze — find an optimal orthogonal route through a deterministic bounded obstacle grid.$0.005 Base1322 ms2 payers93% up
  87. 83cascade.lonestaroracle.xyz/riskDeFi liquidation cascade risk — Morpho Blue health factors and cascade exposure$0.10 Base685 ms2 payers90% up
  88. 83flat-rate-llm.kikoribera03.workers.dev/v1/evm/receiptReceipt of a transaction: whether it succeeded or reverted, gas used, fee actually paid, and how many logs it emitted. The call that answers did my transaction work. Via eth_getTransactionReceipt.$0.005 Base310 ms2 payers80% up
  89. 83x402.agentutility.ai/video-transcribeTranscribes any video URL to text with Whisper v3 large. Auto-detects 90+ languages and offers a translate-to-English mode. 60-min / 500MB max. Same backend as video-to-text under a clearer slug. Use it for video transcription, video to audio transcription, or video-to-text. For speaker labels, use the speaker-diarize endpoint.$0.10 Base789 ms2 payers80% up
  90. 83factline.dev/v1/address/reverseNetherlands reverse geocoding (omgekeerd geocoderen): send WGS84 latitude and longitude, get the nearest official address from the national BAG register with distance in metres, postcode, city, municipality, province, BAG ids and CBS buurt and wijk codes, plus other nearby addresses. For delivery, field service, mobility, real estate and mapping agents. Source: Kadaster BAG via PDOK.$0.002 Base576 ms2 payers80% up
  91. 83ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/colorConvertConverts a color between hex, rgb, and hsl representations using exact arithmetic.$0.01 Base90 ms2 payers72% up
  92. 83xhagents.xyz/api/howto/youtube-auto-aiYouTube Shorts automation with AI: queue → render → upload → notify. A 3x/day pipeline that takes product photos from Google Drive, renders a 720x1280 Shorts video with Ken Burns motion, uploads it to YouTube via the Data API v3, updates a static showcase page and reports to Telegram. Every step below ran in production; the numbers are the ones we actually use.$0.10 Base3723 ms2 payers97% up
  93. 83flat-rate-llm.kikoribera03.workers.dev/v1/util/keccak256Keccak-256 of any string or hex payload - the hash Ethereum actually uses, which is NOT the same as SHA3-256. Needed for selectors, event topics, salts and CREATE2 addresses.$0.005 Base499 ms2 payers80% up
  94. 83api.hivemindos.app/v1/x402/media-studio/generations.createMedia Studio image or video: generates an image (FLUX, Imagen 4, GPT Image, Nano Banana Pro) or a video (Seedance, Kling, Veo 3.1) from a prompt. $0.04 this call, in USDC on Base; you pay only if it succeeds. HivemindOS SuperAgent API.$0.04 Base3314 ms2 payers97% up
  95. 83api.brazilayer.com/v1/pacotes/brasilEvery parameter-free endpoint of the Brazilayer catalog in ONE call, 43% cheaper than one by one: five commodity signals, three market feeds, fund flows and ranking, tax-transition calendar, deforestation ranking and open public tenders (13 endpoints, keyed by family and name). One payment, one response. Unavailable parts listed in `indisponiveis`; 503 and no charge if under half respond. Free sample, no payment: https://api.brazilayer.com/v1/pacotes/amostra$0.09 Base4347 ms2 payers97% up
  96. 83http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/marketplace/seller-stateReturn seller identity and publicly published seller signals for a marketplace listing. Missing feedback or business fields remain null; no customer or seller account access is attempted. Base mainnet USDC$0.003 Base487 ms2 payers80% up
  97. 83http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/product-identifiersExtract public SKU, GTIN, UPC, EAN, ISBN, MPN and provider identifiers from a product source. Missing identifiers stay null and are never guessed. Base mainnet USDC$0.002 Base481 ms2 payers80% up
  98. 83api.magentlab.com/api/calc/pbsc_collectionRosenbaum 2012 predicted daily CD34+ leukapheresis yield: (peripheral_cd34_per_ul * 0.30 / weight_kg) * processed_volume_l, as ×10^6 cells/kg. Uses that paper's adjusted collection efficiency of 30% only. Weight via weight_kg or weight_lb. Deterministic published arithmetic with citation. Not an apheresis order; magent does not run the collection, choose a machine, or set a collection goal.$0.005 $0.007 Base271 ms2 payers97% up
  99. 83api.magentlab.com/api/calc/oocyte_live_birthGoldman 2017 counseling for elective mature-oocyte cryopreservation. Autologous: thaw survival 0.95 if age <36 else 0.85; p_blast = survival × exp(2.8043 − 0.1112 × equation_age) with equation_age 35 at age ≤35; p_euploid from that paper's SI table. Donor: p_blast 0.3583, p_euploid 0.647. p_oocyte = 0.6 × p_euploid × p_blast. Returns nearest-integer percents of at least 1, 2, and 3 live births. Surrogate ICSI cohort; not a live-birth guarantee. Not oncofertility.$0.005 $0.007 Base250 ms2 payers97% up
  100. 83zeroclass.pay.zeroclick.io/v1/rulesPay-per-call: meter rules_read, $0.05 (service zeroclass). Unsigned/unpaid → 402 x402/MPP challenge; settle and retry. Returns transfer_partners + the Avios interchange bridge + active bonuses.$0.05 Base1625 ms2 payers93% up