Agent-first directory of x402 protocol services
The open directory of x402 protocol APIs.
Machine-readable. Live-monitored. Built for autonomous agents that pay per request.
Directory statistics
32
SERVICES
72
ENDPOINTS
96.8%
AVG UPTIME 24H
4
NETWORKS
HOW AGENTS USE x402 LIST
- 1 · DISCOVER
Fetch the live directory as JSON. Filter by network, category, or price range.
$ curl https://x402-list.com/api/v1/services | jq
- 2 · CALL
Hit any listed endpoint. Unpaid requests return HTTP 402 with payment terms.
$ curl -i https://api.example.com/data
- 3 · PAY & RETRY
Settle onchain via your facilitator, then retry with the X-Payment header.
$ curl -H "X-Payment: ..." https://api.example.com/data