x402 resource directory

Find paid HTTP operations and MCP tools by URL, host, method or tool name. Compare payment terms across networks and catalogs.

Distinct HTTP URLs
162,157
Distinct MCP URLs
43
Catalog observations
263,972
URLs with a 402 in 7 days
1,219
Network identifiers
181

These results as JSON

HTTP http://catsanex.up.railway.app/mint · 1 observation

Catsanex profile

  • Base · exact
    $5.0000 (USDC)
    Recipient 0xFdA996093a448947aF917d4c2c0a10488e9072Ab
    PayAI · seen
POST http://chainfeed.leeworks.dev/v1/query · 1 observation

Chainfeed profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0xa8B061d96F69426f11bcC807BfA00f0AF79541a7
    PayAI · seen
POST http://changecheck-mainnet-production.up.railway.app/change · 1 observation
Detect meaningful changes on a public webpage compared with a previous snapshot. Useful for prices, deadlines, availability, tenders, policies and status monitoring.

Changecheck-Mainnet-Production profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0x9F140bF0f2E6ccEAe076B4CD5260D2b08276Ed74
    PayAI · seen
GET http://companylens-api-production.up.railway.app/company/00445790 · 1 observation
UK company risk profile: risk score 0-100, flags, ownership summary and recommendation from Companies House data.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.5000 (USDC)
    Recipient QOLAH2ALEKD3BOCRK4LVBHNRAAZKIJYVQHNHUMY5UC6UEUBGBEF2JMTX3Q
    GoPlausible · seen
POST http://conditioncheck-mainnet-production.up.railway.app/check · 1 observation
Check a public webpage and determine whether a user-specified factual condition is currently true.

Conditioncheck-Mainnet-Production profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x9F140bF0f2E6ccEAe076B4CD5260D2b08276Ed74
    PayAI · seen
POST http://consensa-endpoint-production.up.railway.app/v1/clearance · 1 observation
Consensa clearance: consented, attributed use of OSS knowledge
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0100 (USDC)
    Recipient PJOXFIBKVKGYGMCW3346P5N4OATMODZYM3VQOXDAEUTIGAOGRYGTIO3NME
    GoPlausible · seen
HTTP http://cre-demo-x402-gateway-386444934355.europe-west2.run.app/trigger_workflow_x402 · 1 observation

Cre-Demo-X402-Gateway-386444934355 profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x8a168fc7ac92f1dae111ddc0d21a9989f03d3a04
    PayAI · seen
GET http://creatorshield-production.up.railway.app/api/content/agentic-web · 1 observation
Licensed machine-readable Markdown edition of a creator article
  • algorand:SGO1GKSzyE7IEPItTxCByw9x8FmnrCDexi9/cOUJOiI= · exact
    $0.0050 (USDC)
    Recipient IVDIL275PIKKW4TTI5QZTQFLVS5MLTDHET74EKGTE7LF3ZVGSBQA5I5Q4A
    GoPlausible · seen
GET http://creatorshield-production.up.railway.app/api/content/agentic-web/retrieval · 1 observation
Retrieval license for The web has a new reader: software
  • algorand:SGO1GKSzyE7IEPItTxCByw9x8FmnrCDexi9/cOUJOiI= · exact
    $0.0050 (USDC)
    Recipient IVDIL275PIKKW4TTI5QZTQFLVS5MLTDHET74EKGTE7LF3ZVGSBQA5I5Q4A
    GoPlausible · seen
GET http://creatorshield-production.up.railway.app/api/content/hubble-30/retrieval · 1 observation
Retrieval license for Hubble's 30th Anniversary Image
  • algorand:SGO1GKSzyE7IEPItTxCByw9x8FmnrCDexi9/cOUJOiI= · exact
    $0.0050 (USDC)
    Recipient IVDIL275PIKKW4TTI5QZTQFLVS5MLTDHET74EKGTE7LF3ZVGSBQA5I5Q4A
    GoPlausible · seen
GET http://cryptuluns.vercel.app/api/arb/scan · 1 observation

Cryptuluns profile

  • Base · exact
    $0.0500 (USDC)
    Recipient 0x3c8dccb5b064b5918b427f5596ccc0fc9a928ca4
    PayAI · seen
GET http://cryptuluns.vercel.app/api/gas · 1 observation

Cryptuluns profile

  • Base · exact
    $0.0500 (USDC)
    Recipient 0x3c8dccb5b064b5918b427f5596ccc0fc9a928ca4
    PayAI · seen
GET http://cryptuluns.vercel.app/api/portfolio/:chain/:address · 1 observation

Cryptuluns profile

  • Base · exact
    $0.0500 (USDC)
    Recipient 0x3c8dccb5b064b5918b427f5596ccc0fc9a928ca4
    PayAI · seen
GET http://cryptuluns.vercel.app/api/protocols · 1 observation

Cryptuluns profile

  • Base · exact
    $0.0500 (USDC)
    Recipient 0x3c8dccb5b064b5918b427f5596ccc0fc9a928ca4
    PayAI · seen
GET http://cryptuluns.vercel.app/api/solana/trending · 1 observation

Cryptuluns profile

  • Base · exact
    $0.0500 (USDC)
    Recipient 0x3c8dccb5b064b5918b427f5596ccc0fc9a928ca4
    PayAI · seen
GET http://cryptuluns.vercel.app/api/token-safety/:chain/:address · 1 observation

Cryptuluns profile

  • Base · exact
    $0.1000 (USDC)
    Recipient 0x3c8dccb5b064b5918b427f5596ccc0fc9a928ca4
    PayAI · seen
GET http://cryptuluns.vercel.app/api/whale/alerts · 1 observation

Cryptuluns profile

  • Base · exact
    $0.0500 (USDC)
    Recipient 0x3c8dccb5b064b5918b427f5596ccc0fc9a928ca4
    PayAI · seen
GET http://cryptuluns.vercel.app/api/yields · 1 observation

Cryptuluns profile

  • Base · exact
    $0.1000 (USDC)
    Recipient 0x3c8dccb5b064b5918b427f5596ccc0fc9a928ca4
    PayAI · seen
POST http://deadlinecheck-mainnet-production.up.railway.app/deadlines · 1 observation
Extract important application, submission, tender, grant, registration, and response deadlines from a public webpage.

Deadlinecheck-Mainnet-Production profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0x9F140bF0f2E6ccEAe076B4CD5260D2b08276Ed74
    PayAI · seen
POST http://deepsynth.cs1.com/v1/distill · 1 observation

Deepsynth profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0x81Ad7741Cf3a27D20eD5Cc900F6090c882f7dfB3
    PayAI · seen
HTTP http://dev-api-x402.world.fun/api/mint · 1 observation

Dev-Api-X402 profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x55754D4d5E84e41c71B10EE543De660E9fCA2CAa
    PayAI · seen
GET http://digitvl-x402-gateway-production.up.railway.app/unlock · 1 observation
DIGITVL: unlock streaming access to an independent artist's track (hip-hop, R&B, afrobeats) for a USDC micropayment on Algorand.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0500 (USDC)
    Recipient SW77YN7AXLAOWSAL4UULSOPJJ6DSAUYD6ARXREPFVWFAQGZIYU76DIXLCI
    GoPlausible · seen
GET http://dipbuyerx402-production.up.railway.app/v1/proof · 1 observation
A cryptographically-signed, on-chain-anchored Peter Lynch decision proof for a stock (?symbol=AAPL).
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0100 (USDC)
    Recipient U3N3GOGANJAI6YPJ5IEP4L6HTNTYUX7WHQU5XTYJCDXL3C7N7EFCDME2Z4
    GoPlausible · seen
POST http://dollarone-x402-mainnet-production.up.railway.app/resolve-location · 1 observation
Normalize a messy Mexican location string into structured state, municipality, postal-code signal, confidence, and provenance.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0100 (USDC)
    Recipient LQEZRMV66Z75K7AQPFLR4L66MXTDTVWGKCPZNPESDGUQ3HEIMBZIAX7IPY
    GoPlausible · seen

Counts describe directory coverage, including testnets. Each resource groups the same URL, HTTP method or MCP tool across sources. A catalog sighting records published terms. A live 402 records the endpoint’s reply to an unpaid request.