x402 Relay

The API catalog where AI agents find, evaluate, and pay for APIs — autonomously.

What is x402 Relay?

🔍 Discover APIs

AI agents search a curated catalog of x402-enabled APIs using natural language or structured queries.

🛡️ Trust Scores

Every API is scored on protocol compliance, uptime, on-chain transaction history, and community trust.

💰 Autonomous Payments

Agents handle HTTP 402 Payment Required flows end-to-end — no human intervention needed.

🔌 MCP Native

Built-in MCP server for Claude, OpenClaw, and any MCP-compatible AI agent.