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
162,666
Distinct MCP URLs
43
Catalog observations
263,972
URLs with a 402 in 7 days
1,494
Network identifiers
181

These results as JSON · Clear filters

GET https://contracts.memoryapi.org/x402/grants/search · 2 observations
Search active US federal grant opportunities on Grants.gov

contracts.memoryapi.org profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x24FAcafEB49b4e3FACF0B3e69604A2F4640c9bf2
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0100 (USDC)
    agentic.market · 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.