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
162,322
Distinct MCP URLs
43
Catalog observations
263,972
URLs with a 402 in 7 days
1,340
Network identifiers
181

These results as JSON · Clear filters

HTTP http://x101.fun/test4 · 1 observation

X101 profile

  • Base · exact
    $0.0010 (USDC)
    Recipient 0x3710Fb667928722dc9113B30454A0b3DfeD4A9E2
    PayAI · seen
HTTP http://x101.fun/test5 · 1 observation

X101 profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x3710Fb667928722dc9113B30454A0b3DfeD4A9E2
    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.