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
162,634
Distinct MCP URLs
43
Catalog observations
263,972
URLs with a 402 in 7 days
1,431
Network identifiers
181

These results as JSON · Clear filters

POST http://x402.octopio.ai/v1/smoke-agent · 1 observation
Ultra-cheap $0.001 USDC end-to-end test agent for verifying x402 payment settlement, deterministic AST tool execution, and real-time macOS XNU Seatbelt sandbox isolation.

X402 profile

  • Base · exact
    $0.0010 (USDC)
    Recipient 0xc80AA89Ede4F63718b433f14Bf3A79EcF00D7FFd
    PayAI · seen
POST https://x402.octopio.ai/v1/smoke-agent · 1 observation
Ultra-cheap $0.001 USDC end-to-end test agent for verifying x402 payment settlement, deterministic AST tool execution, and real-time macOS XNU Seatbelt sandbox isolation.

X402 profile

  • Base · exact
    $0.0010 (USDC)
    Recipient 0xc80AA89Ede4F63718b433f14Bf3A79EcF00D7FFd
    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.