x402watch

52,418 paid endpoints are listed. 38,373 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 2026-11-14 18:16 UTC · 52,418 probed

38,373 answering 4027,063 down5,650 rejecting1,332 no paywall852 price drift
  1. 19qwri8qma6psb.hostc.app/healthHealth check rejecting–0% up
  2. 19qwri8qma6psb.hostc.app/recommendFREE recommender: describe your goal, get the matching paid endpoint rejecting–0% up
  3. 19shcugph7rdnj.hostc.app/whale-flowsWhale alerts & smart money exchange flows: large CEX deposits/withdrawals, net inflow/outflow, top movers ($0.02 USDC)$0.02 Baserejecting–0% up
  4. 19shcugph7rdnj.hostc.app/Service metadata and endpoint catalog rejecting–0% up
  5. 19shcugph7rdnj.hostc.app/ensENS resolver: .eth name to address and reverse lookup, avatar ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  6. 19exchangerebel.com/toll/evm/address-verdictClassify an Ethereum address: EOA vs contract, proxy, token.$0.01 solanarejecting–0% up
  7. 19exchangerebel.com/toll/pubconvert/batchBatch-convert Publisher files to PDF (async). $0.05 per file, up to 100 files per batch.$0.05 solanarejecting–0% up
  8. 19exchangerebel.com/toll/datacore/reportDeep verification report for one stored service.$0.05 solanarejecting–0% up
  9. 19qs4c2qffc962.hostc.app/healthHealth check rejecting–0% up
  10. 19ybd3gvw2vq8p.hostc.app/unlocks/upcomingToken unlock calendar: upcoming vesting unlocks in the next N days, sized vs supply ($0.02 USDC)$0.02 Baserejecting–0% up
  11. 19qs4c2qffc962.hostc.app/yieldsDeFi yields / best APY finder by asset and chain with risk notes (stablecoin yield, lending, LP) ($0.01 USDC)$0.01 Baserejecting–0% up
  12. 19qs4c2qffc962.hostc.app/ensENS resolver: .eth name to address and reverse lookup, avatar ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  13. 19qs4c2qffc962.hostc.app/.well-known/x402.jsonx402 v2 resource manifest with accepts[] per endpoint rejecting–0% up
  14. 19qs4c2qffc962.hostc.app/crypto-newsCrypto news API with headline sentiment per token / topic ($0.01 USDC)$0.01 Baserejecting–0% up
  15. 19qs4c2qffc962.hostc.app/approvals-auditToken approvals audit / revoke checker: risky & unlimited ERC-20 allowances for a wallet ($0.01) ($0.01 USDC)$0.01 Baserejecting–0% up
  16. 19qs4c2qffc962.hostc.app/demoList of free sample responses rejecting–0% up
  17. 19qs4c2qffc962.hostc.app/llms.txtAgent-readable documentation rejecting–0% up
  18. 19ybd3gvw2vq8p.hostc.app/token-priceToken price API: real-time DEX price, liquidity, volume, FDV for any ERC-20 (Base, Ethereum, Arbitrum) ($0.005 USDC)$0.005 Baserejecting–0% up
  19. 19qs4c2qffc962.hostc.app/due-diligenceToken due diligence report (DD) in Markdown for LLM agents: rug check, honeypot, holders, whales, unlocks, news ($0.05 USDC)$0.05 Baserejecting–0% up
  20. 19qs4c2qffc962.hostc.app/polymarketPolymarket odds / prediction market probabilities by keyword ($0.005 USDC)$0.005 Baserejecting–0% up
  21. 19qs4c2qffc962.hostc.app/tools.jsonMCP-style tool definitions rejecting–0% up
  22. 19qs4c2qffc962.hostc.app/wallet-profileWallet profiler: smart money / exchange / bot label, balances, activity across Ethereum, Base, Arbitrum ($0.05 USDC)$0.05 Baserejecting–0% up
  23. 19qs4c2qffc962.hostc.app/symbolsCoverage: symbols and chains rejecting–0% up
  24. 19exchangerebel.com/toll/evm/transfersDecoded ERC-20 transfer history for an Ethereum address.$0.01 solanarejecting–0% up
  25. 19ybd3gvw2vq8p.hostc.app/new-tokensNew token launches feed with auto honeypot / rug screening (new DEX pools, sniping research) ($0.02 USDC)$0.02 Baserejecting–0% up
  26. 19ybd3gvw2vq8p.hostc.app/crypto-newsCrypto news API with headline sentiment per token / topic ($0.01 USDC)$0.01 Baserejecting–0% up
  27. 19kfip57xywqjx.hostc.app/stablecoin-pegStablecoin depeg monitor: USDC, USDT, DAI, USDe, FDUSD, PYUSD vs $1 ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  28. 19kfip57xywqjx.hostc.app/.well-known/x402.jsonx402 v2 resource manifest with accepts[] per endpoint rejecting–0% up
  29. 19ybd3gvw2vq8p.hostc.app/stablecoin-pegStablecoin depeg monitor: USDC, USDT, DAI, USDe, FDUSD, PYUSD vs $1 ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  30. 19ybd3gvw2vq8p.hostc.app/liquidation-riskLiquidation risk / health factor monitor for Aave v3 & Spark positions by address ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  31. 19sj4jf3dyism7.hostc.app/address-checkScam / phishing / sanctioned (OFAC) address check before sending funds or approving (AML screening) ($0.005 USDC)$0.005 Baserejecting–0% up
  32. 19sj4jf3dyism7.hostc.app/governanceDAO governance feed: active Snapshot proposals & vote results for Aave, Uniswap, Arbitrum, Optimism, Lido + 25 more ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  33. 19sj4jf3dyism7.hostc.app/.well-known/x402x402 discovery fan-out rejecting–0% up
  34. 19kfip57xywqjx.hostc.app/whale-flowsWhale alerts & smart money exchange flows: large CEX deposits/withdrawals, net inflow/outflow, top movers ($0.02 USDC)$0.02 Baserejecting–0% up
  35. 19kfip57xywqjx.hostc.app/wallet-profileWallet profiler: smart money / exchange / bot label, balances, activity across Ethereum, Base, Arbitrum ($0.05 USDC)$0.05 Baserejecting–0% up
  36. 19kfip57xywqjx.hostc.app/tx-explainTransaction explainer / decoder: plain-English swaps, transfers, approvals (flags unlimited approvals) ($0.01 USDC)$0.01 Baserejecting–0% up
  37. 19kfip57xywqjx.hostc.app/mcpMCP endpoint info (POST JSON-RPC for tools/list, tools/call) rejecting–0% up
  38. 19kfip57xywqjx.hostc.app/gasGas price / gas fee tracker + forecast for Ethereum, Base, Arbitrum ($0.001, cheapest call) ($0.001 USDC)$0.001 Baserejecting–0% up
  39. 19kfip57xywqjx.hostc.app/recommendFREE recommender: describe your goal, get the matching paid endpoint rejecting–0% up
  40. 19api.loyalspark.online/agent-api/vouchersList vouchers issued by the merchant rejecting–0% up
  41. 19kfip57xywqjx.hostc.app/ensENS resolver: .eth name to address and reverse lookup, avatar ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  42. 19kfip57xywqjx.hostc.app/tools.jsonMCP-style tool definitions rejecting–0% up
  43. 19coord.taifoon.dev/v1/tenant/vaultYour tenant's vault (_VAULT_AUTO_v1_): every tenant has one from its first key, as an off-chain record of the one ledger; where it is, what it holds per currency and what it is measured to need. rejecting–0% up
  44. 19sj4jf3dyism7.hostc.app/gasGas price / gas fee tracker + forecast for Ethereum, Base, Arbitrum ($0.001, cheapest call) ($0.001 USDC)$0.001 Baserejecting–0% up
  45. 19sj4jf3dyism7.hostc.app/ensENS resolver: .eth name to address and reverse lookup, avatar ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  46. 19sj4jf3dyism7.hostc.app/due-diligenceToken due diligence report (DD) in Markdown for LLM agents: rug check, honeypot, holders, whales, unlocks, news ($0.05 USDC)$0.05 Baserejecting–0% up
  47. 19sj4jf3dyism7.hostc.app/liquidation-riskLiquidation risk / health factor monitor for Aave v3 & Spark positions by address ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  48. 19sj4jf3dyism7.hostc.app/healthHealth check rejecting–0% up
  49. 19api.loyalspark.online/agent-api/rewardsList rewards for a program rejecting–0% up
  50. 19api.loyalspark.online/agent-api/store/codesList Shopify discount codes rejecting–0% up
  51. 19sj4jf3dyism7.hostc.app/symbolsCoverage: symbols and chains rejecting–0% up
  52. 19sj4jf3dyism7.hostc.app/swap-riskSwap MEV / sandwich risk estimate + recommended slippage for a proposed trade ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  53. 19x402fix.agentgate.workers.dev/v1/previewFree: grade, score, status and counts (no fixes), 10/min per IP rejecting–0% up
  54. 19sj4jf3dyism7.hostc.app/llms.txtAgent-readable documentation rejecting–0% up
  55. 19sentinel.oceaneye-ai.com/x402/verify-sar-ed25519-dossierSynthetic Aperture Radar (SAR) IUU dark-vessel detection, EEZ territorial intrusion, and Ed25519 RFC 8032 canonical dossier audit$0.05 Baserejecting–0% up
  56. 19adqe7gavge4j.hostc.app/.well-known/x402.jsonx402 v2 resource manifest with accepts[] per endpoint rejecting–0% up
  57. 19adqe7gavge4j.hostc.app/token-safetyHoneypot & rug check / token safety scanner: buy-sell tax, mint, blacklist, proxy, owner, LP lock, holders (ERC-20 on Base, Ethereum, Arbitrum) ($0.03 USDC)$0.03 Baserejecting–0% up
  58. 19adqe7gavge4j.hostc.app/ensENS resolver: .eth name to address and reverse lookup, avatar ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  59. 19adqe7gavge4j.hostc.app/recommendFREE recommender: describe your goal, get the matching paid endpoint rejecting–0% up
  60. 19adqe7gavge4j.hostc.app/stablecoin-pegStablecoin depeg monitor: USDC, USDT, DAI, USDe, FDUSD, PYUSD vs $1 ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  61. 19adqe7gavge4j.hostc.app/demoList of free sample responses rejecting–0% up
  62. 19perpradar.agentgate.workers.dev/v1/previewFree: positioning label, venues listing the asset, confidence and sources_failed (no rates), 10/min per IP rejecting–0% up
  63. 19sentinel.oceaneye-ai.com/x402/verify-amm-constant-productFormal verification of constant-product AMM k invariant preservation and exact integer rounding direction$0.03 Baserejecting–0% up
  64. 19tasignal.agentgate.workers.dev/v1/previewFree: technical bias label, trend and regime, confidence (no indicator values), 10/min per IP rejecting–0% up
  65. 19sentinel.oceaneye-ai.com/x402/verify-fiat-crypto-otc-settlementFiat-to-crypto OTC settlement reconciliation: cross-currency FX spread verification, skimming check, and CMP-PSAV certificate$0.05 Baserejecting–0% up
  66. 19api.youraitools.co/perpradar/v1/previewFree: positioning label, venues listing the asset, confidence and sources_failed (no rates), 10/min per IP rejecting–0% up
  67. 19api.agoranome.com/v1/briefs/launch/contentsLaunch brief: contents (free) rejecting–0% up
  68. 19api.youraitools.co/tokenverdict/v1/previewFree: verdict, score and flag counts (no reasons), 10/min per IP rejecting–0% up
  69. 19mr-river17.makar52nn2016.workers.dev/api/healthFree health check rejecting–0% up
  70. 19api.youraitools.co/credits/v1/claimFree: get the key for a pack paid with a plain USDC transfer made from the credits page (Base, Polygon or Arbitrum One; the transfer carries a sha256 claim-code commitment). 202 = not confirmed yet, 409 = already claimed rejecting–0% up
  71. 19a39poe.wormhole.bar/downloadDownload the x402 Seller Field Kit (ZIP)$1.00 Baserejecting–0% up
  72. 19a39poe.wormhole.bar/previewFree preview of the guide (markdown) rejecting–0% up
  73. 19logicnodes.io/v1/tools/aptos_address_validateValidate an Aptos address rejecting–0% up
  74. 19logicnodes.io/v1/tools/time_convertTime zone conversion rejecting–0% up
  75. 19logicnodes.io/v1/tools/aptos_asset_resolveResolve an Aptos asset rejecting–0% up
  76. 19logicnodes.io/v1/tools/aptos_viewCall an Aptos view function rejecting–0% up
  77. 19logicnodes.io/v1/tools/payment_verifyVerify a token payment from a receipt rejecting–0% up
  78. 19r5vy8i.wormhole.bar/v1/fr/property/dpeFrance DPE energy performance certificates (ADEME open data, issued since July 2021) around an address or lat/lon$0.01 Baserejecting–0% up
  79. 19verza.dev/v1/company-validateDecode a South African CIPC enterprise number (YYYY/NNNNNN/TT): registration year, sequence and entity type rejecting–0% up
  80. 19verza.dev/v1/vat-validateStructural validation of a South African VAT registration number (VAT vendor number): 10 digits, leading 4, check digit rejecting–0% up
  81. 19nbx4.dev/v3/preparePrepare an opt-in v3 EVM snapshot without payment rejecting–0% up
  82. 19coord.taifoon.dev/v1/access/reseller/children/%7Bkey_id%7DRevoke one child key at once: its key row is marked revoked (refused on the next call), and every payment it would make is refused from now on everywhere (the spend reads its row fresh). Written to the reseller's key audit. rejecting–0% up
  83. 19api.lumitrades.io/v1/trust/vendors/%7Bid%7D/reportLumi Trades: x402 seller reputation report (full observation history)$0.02 Baserejecting–0% up
  84. 19semilla1-txcheck.netlify.app/txResumen de tx de Base (x402, 0.01 USDC)$0.01 Baserejecting–0% up
  85. 19exchangerebel.com/toll/a2a/mailbox/preflightA2A mailbox preflight (free, minimal shape). rejecting–0% up
  86. 19exchangerebel.com/toll/a2a/blockA2A block list (free, owner-signed). rejecting–0% up
  87. 19api.youraitools.co/smartperps/v1/previewFree: bias label, cohort traders long/short, snapshot age, coverage, confidence (no notional, flows or positions), 10/min per IP rejecting–0% up
  88. 1978pghwfr6sh7.hostc.app/tx-explainTransaction explainer / decoder: plain-English swaps, transfers, approvals (flags unlimited approvals) ($0.01 USDC)$0.01 Baserejecting–0% up
  89. 19mr-river12.makar52nn2016.workers.dev/api/verdictOne-line repo safety verdict (paid $0.005)$0.02 Baserejecting–0% up
  90. 19mr-river11.makar52nn2016.workers.dev/api/timeCurrent UTC time (paid $0.10)$0.01 Baserejecting–0% up
  91. 19byp3we6w7e2s.hostc.app/unlock-riskToken unlock / vesting risk: next unlock size vs circulating supply, CEX inflows, sell-pressure score ($0.01 USDC)$0.01 Baserejecting–0% up
  92. 19byp3we6w7e2s.hostc.app/address-checkScam / phishing / sanctioned (OFAC) address check before sending funds or approving (AML screening) ($0.005 USDC)$0.005 Baserejecting–0% up
  93. 19mr-river11.makar52nn2016.workers.dev/api/uuidRandom UUID v4 (paid $0.10)$0.01 Baserejecting–0% up
  94. 19byp3we6w7e2s.hostc.app/token-safetyHoneypot & rug check / token safety scanner: buy-sell tax, mint, blacklist, proxy, owner, LP lock, holders (ERC-20 on Base, Ethereum, Arbitrum) ($0.03 USDC)$0.03 Baserejecting–0% up
  95. 19byp3we6w7e2s.hostc.app/stablecoin-pegStablecoin depeg monitor: USDC, USDT, DAI, USDe, FDUSD, PYUSD vs $1 ($0.002) ($0.002 USDC)$0.002 Baserejecting–0% up
  96. 19byp3we6w7e2s.hostc.app/llms.txtAgent-readable documentation rejecting–0% up
  97. 19byp3we6w7e2s.hostc.app/tools.jsonMCP-style tool definitions rejecting–0% up
  98. 19byp3we6w7e2s.hostc.app/yieldsDeFi yields / best APY finder by asset and chain with risk notes (stablecoin yield, lending, LP) ($0.01 USDC)$0.01 Baserejecting–0% up
  99. 19byp3we6w7e2s.hostc.app/liquidation-riskLiquidation risk / health factor monitor for Aave v3 & Spark positions by address ($0.005) ($0.005 USDC)$0.005 Baserejecting–0% up
  100. 19byp3we6w7e2s.hostc.app/crypto-newsCrypto news API with headline sentiment per token / topic ($0.01 USDC)$0.01 Baserejecting–0% up