{"name":"onyx_x402_facilitators","tier":"free","price_usdc":"0","endpoint":"https://onyx-actions.onrender.com/v1/onyx_x402_facilitators","method":"POST","input_schema":{"type":"object","properties":{"network":{"type":"string","description":"Filter facilitators that support this network (CAIP-2 like 'eip155:8453', or short form 'base', 'base-sepolia', 'solana'). Omit for all."},"include_inactive":{"type":"boolean","default":false,"description":"Include facilitators that didn't respond on probe."}}},"description":"Directory of known x402 facilitators (Coinbase CDP, x402.org public, xpay.sh, Cronos, Faremeter, others), each with live reachability probe, supported networks, payment auth scheme (JWT / open), and median latency. Agents use this to choose where to route /verify and /settle calls. Free tier — refreshes per call, no API key.","when_to_use":"An agent or developer needs to pick which x402 facilitator to send /verify and /settle calls to. Different facilitators support different networks (CDP = EVM family, Faremeter = Solana, x402.org public = Sepolia only) with different auth requirements.","vs_alternatives":"No public x402-facilitator directory exists. Coinbase docs only list CDP; Faremeter only lists Faremeter; x402.org documents the public facilitator. Agents currently hardcode a single facilitator and fail silently when it doesn't support their chain. This tool gives them runtime routing data.","example_request":{"network":"base"},"example_response":{"ok":true,"network_filter":"base","network_normalized":"eip155:8453","alive":2,"returned":2,"facilitators":[{"name":"coinbase-cdp","owner":"Coinbase","auth_scheme":"jwt-ed25519","supported_networks":["eip155:8453","..."],"alive":true,"latency_ms":187,"status":401},{"name":"xpay-sh","owner":"xpay.sh","auth_scheme":"api-key","supported_networks":["eip155:8453"],"alive":true,"latency_ms":320,"status":200}]},"settle_to":"0x3fD9ee1373562f894D322B37DFFAd7a5D2b2d78f","network":"base","facilitator":"https://facilitator.xpay.sh","payment_required":false,"free_introspection":true,"note":"GET this URL = free introspection card. POST with x402 payment header to call."}