Discover every x402-compatible API in one place. The most comprehensive catalog of pay-per-call services for AI agents and developers.
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GET https://archtools.dev/api/v1/x402/directory
GET https://archtools.dev/api/v1/x402/directory/search?category=ai&chain=base
GET https://archtools.dev/api/v1/x402/directory/stats
AI agents can programmatically discover x402 services. No auth required. JSON responses.
Built an x402-compatible API? Submit it to the directory and get discovered by thousands of AI agents.