x402watch

52,933 paid endpoints are listed. 28,010 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 2026-10-09 22:59 UTC · 52,933 probed

28,010 answering 40220,166 down3,829 rejecting928 no paywall1,732 price drift
  1. 84commerce.delx.ai/api/v1/x402/hex-prefixNormalize a hexadecimal string with optional prefix and even-length validation. Call when you need this bounded result before handing data to a downstream tool. Returns deterministic machine-readable JSON for $0.001 USDC via x402 on Base. Honest limit: execution uses only caller-supplied data in memory; it does not call a paid upstream, retain input, search the web, read a live RPC, or invoke a media generator. Results are advisory; the caller owns authorization, budgets, and production controls$0.001 Base1620 ms–100% up
  2. 84commerce.delx.ai/api/v1/x402/wei-to-gweiConvert wei integer strings into gwei for readable gas quotes. Call when you need human-readable gas price from a wei field without an RPC call. Returns gwei float plus original wei string as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base1623 ms–100% up
  3. 84commerce.delx.ai/api/v1/x402/evm-finality-depth-checkEVM Finality Depth Check: checks confirmation count against a caller-required depth using only bounded caller-supplied values. Call when you need a bounded evm finality depth check result before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Finality Depth Check as versioned deterministic JSON. Price: $0.001 USDC via x402$0.001 Base1681 ms–100% up
  4. 84commerce.delx.ai/api/v1/x402/bool-andBoolean AND of two coerced values. Call when you combine agent preflight gates. Returns AND result for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.$0.001 Base1542 ms–100% up
  5. 84commerce.delx.ai/api/v1/x402/seeded-kfold-splitSeeded Kfold Split: assigns item indices to reproducible cross-validation folds using only bounded caller-supplied values. Call when you need a bounded seeded kfold split result when an agent needs a reproducible decision that another run can independently replay. Returns the deterministic selection plus seed provenance, population bounds, and the operation-specific outcome for Seeded Kfold Split as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. First-party, statele$0.001 Base1604 ms–100% up
  6. 84commerce.delx.ai/api/v1/x402/seeded-schedule-offsetSeeded Schedule Offset: selects a reproducible offset inside a scheduling window using only bounded caller-supplied values. Call when you need a bounded seeded schedule offset result when an agent needs a reproducible decision that another run can independently replay. Returns the deterministic selection plus seed provenance, population bounds, and the operation-specific outcome for Seeded Schedule Offset as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. First-party$0.001 Base1633 ms–100% up
  7. 84commerce.delx.ai/api/v1/x402/token-amount-to-rawScale human token amounts by decimals into on-chain raw units. Call when building ERC-20 transfer/approve amounts from UI-facing quantities. Returns raw integer string, amount, and decimals used as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base1580 ms–100% up
  8. 84commerce.delx.ai/api/v1/x402/usdc-to-rawConvert USDC human amounts into 6-decimal raw units used on-chain. Call when quoting or building USDC transfers/payments at 6 decimals. Returns raw units string with decimals=6 as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base1815 ms–100% up
  9. 84commerce.delx.ai/api/v1/x402/usdc-raw-to-amountConvert 6-decimal USDC raw units into human USDC amounts. Call when displaying USDC balances or payment receipts stored as raw integers. Returns USDC amount with decimals=6 as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base1650 ms–100% up
  10. 84commerce.delx.ai/api/v1/x402/bps-to-pctConvert basis points into percent for operator-facing copy. Call when showing fee or slippage bps as percent strings. Returns pct = bps/100 as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base1700 ms–100% up
  11. 84commerce.delx.ai/api/v1/x402/address-is-zeroDetect the zero EVM address used as empty/burn/default sentinel. Call when validating recipients or detecting unset address fields safely. Returns boolean is_zero plus normalized address as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base1524 ms–100% up
  12. 84commerce.delx.ai/api/v1/x402/evm-address-zero-checkEVM Address Zero Check: detects the all-zero EVM address after shape normalization using only bounded caller-supplied values. Call when you need a bounded evm address zero check result before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Address Zero Check as versioned deterministic JSON. Price: $0.001 USDC via x402 on B$0.001 Base1471 ms–100% up
  13. 84commerce.delx.ai/api/v1/x402/brier-scoreBrier score for a probabilistic forecast vs binary outcome. Call when scoring prediction calibration on resolved markets. Returns brier score in [0,1] as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base1536 ms–100% up
  14. 84commerce.delx.ai/api/v1/x402/gas-cost-weiCompute gas_used × gas_price as total gas cost in wei. Call when estimating tx cost from known used gas and price without a node. Returns gas cost wei string as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base1477 ms–100% up
  15. 84commerce.delx.ai/api/v1/x402/confirmations-neededCompute confirmations remaining from head and inclusion block. Call when progress bars and readiness gates for deposit/finality logic. Returns confirmations observed vs needed as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base1432 ms–100% up
  16. 84commerce.delx.ai/api/v1/x402/tx-hash-format-checkValidate 0x + 64 hex transaction hash shape. Call when preflight before receipt lookup. Returns valid boolean as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.$0.001 Base1334 ms–100% up
  17. 84commerce.delx.ai/api/v1/x402/evm-nonce-replace-checkEVM Nonce Replace Check: checks whether a proposed nonce targets a caller-supplied pending nonce using only bounded caller-supplied values. Call when you need a bounded evm nonce replace check result before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Nonce Replace Check as versioned deterministic JSON. Price: $0.001 US$0.001 Base1200 ms–100% up
  18. 84commerce.delx.ai/api/v1/x402/evm-gas-cost-ceilingEVM Gas Cost Ceiling: calculates a worst-case native fee from gas limit and fee cap using only bounded caller-supplied values. Call when you need a bounded evm gas cost ceiling result before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Gas Cost Ceiling as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base$0.001 Base1118 ms–100% up
  19. 84commerce.delx.ai/api/v1/x402/evm-native-balance-budgetEVM Native Balance Budget: checks caller-supplied native balance against value plus fee reserve using only bounded caller-supplied values. Call when you need a bounded evm native balance budget result before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Native Balance Budget as versioned deterministic JSON. Price: $0.001$0.001 Base1063 ms–100% up
  20. 84commerce.delx.ai/api/v1/x402/evm-token-balance-budgetEVM Token Balance Budget: checks caller-supplied raw token balance against transfer amount using only bounded caller-supplied values. Call when you need a bounded evm token balance budget result before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Token Balance Budget as versioned deterministic JSON. Price: $0.001 USDC v$0.001 Base1039 ms–100% up
  21. 84preview-chat-c6089071-758a-449d-b4a7-6fa19ebc955c.space-z.ai/api/x402/aman-price-feedAMAN Price Feed$0.0037 Base1893 ms–100% up
  22. 84preview-chat-c6089071-758a-449d-b4a7-6fa19ebc955c.space-z.ai/api/x402/aman-block-inspectBlock Inspector$0.0037 Base1986 ms–100% up
  23. 84preview-chat-c6089071-758a-449d-b4a7-6fa19ebc955c.space-z.ai/api/x402/aman-fx-ratesFiat Exchange Rates$0.0012 Base1970 ms–100% up
  24. 84preview-chat-c6089071-758a-449d-b4a7-6fa19ebc955c.space-z.ai/api/x402/aman-keywordsKeyword & Entity Extraction$0.0025 Base1968 ms–100% up
  25. 84preview-chat-c6089071-758a-449d-b4a7-6fa19ebc955c.space-z.ai/api/x402/aman-quote-estimateQuote & Estimate PDF$0.0037 Base1972 ms–100% up
  26. 84x402-ofac-api.vercel.app/pay-checkBare alias of /api/v1/pay-check (check before you pay). Directional, not clearance.$0.003 Base2610 ms–100% up
  27. 84preview-chat-c6089071-758a-449d-b4a7-6fa19ebc955c.space-z.ai/api/x402/aman-rss-readRSS / Atom Feed Reader$0.0025 Base2415 ms–100% up
  28. 84preview-chat-c6089071-758a-449d-b4a7-6fa19ebc955c.space-z.ai/api/x402/aman-credit-noteCredit Note PDF$0.005 Base2467 ms–100% up
  29. 84vps-fc89c157-1.taila28d02.ts.net:10000/api/unlocksEXP-10 — Token Unlock & Liquidity Depth Monitor$0.02 Base2293 ms–100% up
  30. 84drizzy-gig-board.drizzymuse.workers.dev/gigsFull live snapshot of open paid gigs across agent job boards$0.01 Base1847 ms–100% up
  31. 84api.vibe.airforce/api/x402/alpha/top-picks/performanceGet Top Picks Performance Param$0.10 solana1527 ms–100% up
  32. 84api.vibe.airforce/api/x402/vibe-tools/defi/nontokenizedX402 Defi Nontokenized$0.005 solana1361 ms–100% up
  33. 84agent-intelligence-platform.fhochard.workers.dev/v1/sports-facilitiesFind officially recorded sports facilities by city and type.$0.01 Base1138 ms–100% up
  34. 84agent-intelligence-platform.fhochard.workers.dev/v1/automotiveCompare a thin sample of official French vehicle energy and emissions records.$0.01 Base1019 ms–100% up
  35. 84api.vibe.airforce/api/x402/alpha/smart-money-signalsGet Smart Money Signals$0.50 Base1619 ms–100% up
  36. 84agent-intelligence-platform.fhochard.workers.dev/v1/companiesSearch official French company records by name, postal code and activity.$0.01 Base1095 ms–100% up
  37. 84api.vibe.airforce/api/x402/alpha/top-picks-performanceGet Top Picks Performance$0.25 Base1599 ms–100% up
  38. 84api.vibe.airforce/api/x402/alpha/top-picks/%7Baddress%7DGet Top Pick Profile$0.05 solana1625 ms–100% up
  39. 84api.vibe.airforce/api/x402/vibe-tools/twitter/tweet/%7Btweet_id%7D/retweetsX402 Twitter Retweets$0.005 Base1552 ms–100% up
  40. 84agent-intelligence-platform.fhochard.workers.dev/v1/automotive/compareCompare a thin sample of official French vehicle energy and emissions records.$0.01 Base1369 ms–100% up
  41. 84agent-intelligence-platform.fhochard.workers.dev/v1/rail-stationsFind official SNCF rail stations by commune and passenger or freight service.$0.01 Base1365 ms–100% up
  42. 84agent-intelligence-platform.fhochard.workers.dev/v1/restaurants/inspectionsFind the latest published official sanitary inspections of restaurants in a French commune, with dated assessments.$0.01 Base1286 ms–100% up
  43. 84agent-intelligence-platform.fhochard.workers.dev/v1/fishing/conditionsCompare fishing-area evidence by combining official fish observations, measured river discharge and optional historical monthly weather for one or two communes.$0.01 Base1241 ms–100% up
  44. 84grist.tools/v1/csv-to-jsonParses a CSV/TSV document into JSON rows, keyed by a header row or as arrays; the delimiter is auto-detected.$0.005 Base1027 ms–100% up
  45. 84aayatai.com/dependency/reportdependency/report ($0.08, deep)$0.08 Base1112 ms–100% up
  46. 84nova-demand-worker.vercel.app/x402/opportunity-radarDiscover and rank current GitHub bounty opportunities$0.25 Base2452 ms–100% up
  47. 84www.nftdata.app/api/get-collection-dataGet NFT collection data$0.01 Base2757 ms–100% up
  48. 84www.fuci.family/api/agent/runAsk the Fucus Agent$0.04 Base1675 ms–100% up
  49. 84www.fuci.family/api/x402/riskRisk Rating$0.002 Base1252 ms–100% up
  50. 84claw402.ai/api/v1/coinank/news/listNews/flash list (type:1=flash,2=news; lang:zh/en)$0.01 Base1045 ms–100% up
  51. 84x402.186-241-26-229.sslip.io/v1/instagram-profilesInstagram Profiles Scraper$0.025 Base1198 ms–100% up
  52. 84x402.186-241-26-229.sslip.io/v1/linkedin-jobsLinkedIn Jobs Scraper$0.025 Base1190 ms–100% up
  53. 84x402.186-241-26-229.sslip.io/v1/facebook-adsFacebook Ads Scraper$0.025 Base1452 ms–100% up
  54. 84x402.186-241-26-229.sslip.io/v1/facebook-groupsFacebook Groups Scraper$0.025 Base1542 ms–100% up
  55. 84x402.186-241-26-229.sslip.io/v1/jobstreetJobStreet Scraper$0.04 Base1662 ms–100% up
  56. 84x402.186-241-26-229.sslip.io/v1/gulftalentGulfTalent Scraper$0.025 Base1628 ms–100% up
  57. 84x402.186-241-26-229.sslip.io/v1/homeHome Depot Canada Scraper$0.10 Base1727 ms–100% up
  58. 84x402.186-241-26-229.sslip.io/v1/subitoSubito Scraper$0.025 Base1707 ms–100% up
  59. 84x402.186-241-26-229.sslip.io/v1/shineShine Scraper$0.025 Base1745 ms–100% up
  60. 84x402.186-241-26-229.sslip.io/v1/propertyProperty Scraper$0.025 Base1774 ms–100% up
  61. 84x402.186-241-26-229.sslip.io/v1/kijijiKijiji Scraper$0.025 Base1782 ms–100% up
  62. 84x402.186-241-26-229.sslip.io/v1/freelancerFreelancer.com Scraper$0.025 Base1664 ms–100% up
  63. 84x402.186-241-26-229.sslip.io/v1/tescoTesco Scraper$0.025 Base1581 ms–100% up
  64. 84x402.186-241-26-229.sslip.io/v1/euEU-Startups Scraper$0.025 Base1730 ms–100% up
  65. 84x402.186-241-26-229.sslip.io/v1/gumtreeGumtree Scraper$0.035 Base1643 ms–100% up
  66. 84x402.186-241-26-229.sslip.io/v1/deliverooDeliveroo Scraper$0.10 Base1944 ms–100% up
  67. 84x402.186-241-26-229.sslip.io/v1/yahooYahoo Auctions Scraper$0.025 Base2020 ms–100% up
  68. 84x402.186-241-26-229.sslip.io/v1/auctionAuction.com Scraper$0.025 Base1907 ms–100% up
  69. 84x402.186-241-26-229.sslip.io/v1/faireFaire Scraper$0.025 Base2015 ms–100% up
  70. 84x402.186-241-26-229.sslip.io/v1/klookKlook Scraper$0.08 Base2001 ms–100% up
  71. 84x402.186-241-26-229.sslip.io/v1/similarwebSimilarweb Scraper$0.025 Base2011 ms–100% up
  72. 84x402.186-241-26-229.sslip.io/v1/youtube-commentsYouTube Comments Scraper$0.025 Base1975 ms–100% up
  73. 84x402.186-241-26-229.sslip.io/v1/semrushSemrush Scraper$0.025 Base2283 ms–100% up
  74. 84x402.186-241-26-229.sslip.io/v1/flashscoreFlashscore Scraper$0.025 Base2258 ms–100% up
  75. 84x402.186-241-26-229.sslip.io/v1/etsyEtsy Scraper$0.16 Base2287 ms–100% up
  76. 84x402.186-241-26-229.sslip.io/v1/pinterest-searchPinterest Search Scraper$0.025 Base2260 ms–100% up
  77. 84x402.186-241-26-229.sslip.io/v1/idealistaIdealista Scraper$0.025 Base2322 ms–100% up
  78. 84x402.186-241-26-229.sslip.io/v1/airbnbAirbnb Scraper$0.025 Base2335 ms–100% up
  79. 84x402.186-241-26-229.sslip.io/v1/facebook-photosFacebook Photos Scraper$0.025 Base2270 ms–100% up
  80. 84x402.186-241-26-229.sslip.io/v1/coupangCoupang Scraper$0.06 Base1236 ms–100% up
  81. 84x402.186-241-26-229.sslip.io/v1/vintedVinted Scraper$0.025 Base1248 ms–100% up
  82. 84x402.186-241-26-229.sslip.io/v1/naukrigulfNaukrigulf Scraper$0.025 Base2122 ms–100% up
  83. 84x402.186-241-26-229.sslip.io/v1/com11880.com Scraper$0.025 Base1886 ms–100% up
  84. 84x402.186-241-26-229.sslip.io/v1/espnESPN Scraper$0.025 Base1155 ms–100% up
  85. 84fundalya.vercel.app/api/conformite/rgpdConformité RGPD$0.05 Base1011 ms–100% up
  86. 84api.fetchx402.com/v1/tools/dnsDNS Explorer$0.005 Base1889 ms–100% up
  87. 84api.fetchx402.com/v1/tools/headersHTTP Headers$0.005 Base1608 ms–100% up
  88. 845108-data-api-proxy.community.iamstarchild.com/massive/v3/reference/tickers/massive/* (20 units/call)$0.00 Base1061 ms–100% up
  89. 84api.fetchx402.com/v1/tools/whoisWHOIS Intelligence$0.005 Base2197 ms–100% up
  90. 84scentpulse.theaslangroupllc.com/api/scent/note-profileFragrance note-profile lookup$0.08 solana1088 ms–100% up
  91. 84fal.payweave.services/models/fal-ai/nano-banana/runFal: fal-ai/nano-banana$0.08 Base1251 ms–100% up
  92. 84fal.payweave.services/models/fal-ai/flux-pro/v1.1-ultra/runFal: fal-ai/flux-pro/v1.1-ultra$0.12 Base1382 ms–100% up
  93. 84x402.deepsearch.com/v1/context/crypto/%7Bsymbol%7DCrypto real-time price + info ($0.1)$0.05 Base1560 ms–100% up
  94. 84volkov.evgeny.m2.fvds.ru/pay/nonceBase tx nonce$0.001 Base1649 ms–100% up
  95. 84dispute-risk.hergertsynthora.com/serviceResolution/dispute risk score (0-100) for Polymarket markets: UMA status (proposed/disputed), UMA bond and reward, rules-text ambiguity (length, deadline date, declared resolution source), top-3 holder concentration as a vote-manipulation proxy, and days to resolution.$0.05 Base1094 ms–100% up
  96. 84tanod.dev/v1/agents/bulkDownload the full current snapshot of the x402 and MCP index, gzipped (agentscan)$2.00 Base1104 ms–100% up
  97. 84deliverability.hergertsynthora.com/serviceSYNTHORA deliverability$0.001 Base1008 ms–100% up
  98. 84x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-ofacHighest-demand x402 services tagged 'ofac': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 33 providers and 65 paying wallets measured in this tag.$0.008 Base1862 ms–100% up
  99. 84x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-developer-toolsHighest-demand x402 services tagged 'developer-tools': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 47 providers and 226 paying wallets measured in this tag.$0.008 Base1569 ms–100% up
  100. 84x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/in-businessHighest-demand x402 services tagged 'business': ranked by 30-day unique paying wallets, with calls, price, network and calls-per-payer for each. 41 providers and 53 paying wallets measured in this tag.$0.008 Base1211 ms–100% up