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
161,395
Distinct MCP URLs
43
Catalog observations
271,079
URLs with a 402 in 7 days
1,198
Network identifiers
181

These results as JSON

POST http://api.blueprintstech.org/api/agent-preflight · 1 observation
Algorand agent safety preflight returning an ALLOW, REVIEW, or BLOCK decision before a paid action.
  • algorand:SGO1GKSzyE7IEPItTxCByw9x8FmnrCDexi9/cOUJOiI= · exact
    3000 minor units
    Recipient TV3772EIRZ5UTEMYG4NQJN7HKA5J3J6UKDC7RZKM2JI52E5KMYMAAFDKPU
    GoPlausible · seen
POST http://api.blueprintstech.org/api/verify-asset · 1 observation
Algorand ASA and NFT verification with supply, control-address, and metadata checks.
  • algorand:SGO1GKSzyE7IEPItTxCByw9x8FmnrCDexi9/cOUJOiI= · exact
    1000 minor units
    Recipient TV3772EIRZ5UTEMYG4NQJN7HKA5J3J6UKDC7RZKM2JI52E5KMYMAAFDKPU
    GoPlausible · seen
POST http://api.blueprintstech.org/api/verify-counterparty · 1 observation
Deterministic Algorand counterparty check for agents before they transfer assets or call a service.
  • algorand:SGO1GKSzyE7IEPItTxCByw9x8FmnrCDexi9/cOUJOiI= · exact
    1000 minor units
    Recipient TV3772EIRZ5UTEMYG4NQJN7HKA5J3J6UKDC7RZKM2JI52E5KMYMAAFDKPU
    GoPlausible · seen
GET http://api.chainward.ai/api/risk/x402 · 1 observation
Fresh on-chain risk report for a Base address before you pay it: neutral signal band, every flag with its evidence and source, what was not assessed, and the EAS attestation if one exists. Never a safety verdict.

ChainWard profile

  • Base · exact
    $0.0500 (USDC)
    Recipient 0xf7Ee65130Fb2B3bb42Cc5cbFED085d7D482667cD
    PayAI · seen
HTTP http://api.compute3.ai/api/x402/top_up · 1 observation

Api profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x657baDC86C3169505435dc4DB34803CDd91446E0
    PayAI · seen
GET http://api.crushrewards.dev/v1/analyst/category-summary · 1 observation

Api profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0xe2e662cF219025AFC0C9Bf850b6a2B0a0b5517fe
    PayAI · seen
GET http://api.crushrewards.dev/v1/analyst/inflation · 1 observation

Api profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0xe2e662cF219025AFC0C9Bf850b6a2B0a0b5517fe
    PayAI · seen
GET http://api.crushrewards.dev/v1/analyst/price-dispersion · 1 observation

Api profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0xe2e662cF219025AFC0C9Bf850b6a2B0a0b5517fe
    PayAI · seen
GET http://api.crushrewards.dev/v1/analyst/retailer-index · 1 observation

Api profile

  • Base · exact
    $0.0200 (USDC)
    Recipient 0xe2e662cF219025AFC0C9Bf850b6a2B0a0b5517fe
    PayAI · seen
GET http://api.crushrewards.dev/v1/marketing/brand-tracker · 1 observation

Api profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0xe2e662cF219025AFC0C9Bf850b6a2B0a0b5517fe
    PayAI · seen
GET http://api.crushrewards.dev/v1/marketing/competitive-landscape · 1 observation

Api profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0xe2e662cF219025AFC0C9Bf850b6a2B0a0b5517fe
    PayAI · seen
GET http://api.crushrewards.dev/v1/marketing/price-positioning · 1 observation

Api profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0xe2e662cF219025AFC0C9Bf850b6a2B0a0b5517fe
    PayAI · seen
GET http://api.crushrewards.dev/v1/marketing/promo-intelligence · 1 observation

Api profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0xe2e662cF219025AFC0C9Bf850b6a2B0a0b5517fe
    PayAI · seen
GET http://api.crushrewards.dev/v1/marketing/share-of-shelf · 1 observation

Api profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0xe2e662cF219025AFC0C9Bf850b6a2B0a0b5517fe
    PayAI · seen
GET http://api.crushrewards.dev/v1/shopper/best-price · 1 observation

Api profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0xe2e662cF219025AFC0C9Bf850b6a2B0a0b5517fe
    PayAI · seen
GET http://api.crushrewards.dev/v1/shopper/deal-finder · 1 observation

Api profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0xe2e662cF219025AFC0C9Bf850b6a2B0a0b5517fe
    PayAI · seen
GET http://api.crushrewards.dev/v1/shopper/price-drop-alert · 1 observation

Api profile

  • Solana · exact
    $0.0050 (USDC)
    Recipient Dzdv4rvBcp322PR3yUYyZxrxniPQSrXscrDNMEejZc17
    PayAI · seen
GET http://api.crushrewards.dev/v1/shopper/price-history · 1 observation

Api profile

  • Solana · exact
    $0.0050 (USDC)
    Recipient Dzdv4rvBcp322PR3yUYyZxrxniPQSrXscrDNMEejZc17
    PayAI · seen
GET http://api.d0xeddev.com/agent-intel · 1 observation
Agent intelligence: metadata for D0XEDDEV ecosystem agents (devio, helixa, neural-mesh, pcmd) by id. Real agent registry, one request at a time.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0500 (USDC)
    Recipient F22UWM4HD45QKDLNGT66CR6XJEANNRXUF2WKBF42VV333INY3O3YJMF55U
    GoPlausible · seen
POST http://api.d0xeddev.com/scam-score · 1 observation
Scam score: heuristic risk score (0-100) for any EVM wallet address. Format validation, known-scam blacklist, EIP-55 checksum, entropy analysis. Real engine, no fabrication.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0100 (USDC)
    Recipient F22UWM4HD45QKDLNGT66CR6XJEANNRXUF2WKBF42VV333INY3O3YJMF55U
    GoPlausible · seen
GET http://api.d0xeddev.com/trading-signals · 1 observation
Trading signals: real-time ETH price, 24h change, and signal direction from live market data. Honest 503 degradation when data source is unreachable.
  • algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= · exact
    $0.0100 (USDC)
    Recipient F22UWM4HD45QKDLNGT66CR6XJEANNRXUF2WKBF42VV333INY3O3YJMF55U
    GoPlausible · seen
HTTP http://api.ethyai.app/x402/ta · 1 observation

Api profile

  • Base · exact
    $0.5000 (USDC)
    Recipient 0xe0865fFca21a8f120a80997CBbDBa8C92cac5697
    PayAI · seen
GET http://api.fastaf.co/x402/v1/amazon · 1 observation
Amazon product search and pricing API for AI agents: JSON product details by ASIN, keyword search results, offers and bestsellers. Supports Amazon marketplace domains for ecommerce research, with titles, prices, ratings and availability when available. Provided by FastAF Amazon Product Data. Price: $0.001000 USDC per successful call.

api.fastaf.co profile

  • Base · exact
    $0.0010 (USDC)
    Recipient 0x05B75e13f071A09A26B50a18Ce5BD02a0755d76F
    PayAI · seen
HTTP http://api.g402.ai/api/today-test · 1 observation

Api profile

  • Base · exact
    $0.0010 (USDC)
    Recipient 0xDa151Cbc2804A1531d61E6650eFa5819e919353B
    PayAI · 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.