{"slug":"x402-payment-test-88e922a9","name":"x402-payment-test","summary":"Cheapest possible Base-mainnet x402 conformance call: settle $0.001 of USDC and receive payer identity, request echo and receipt. Built for agents testing wallets, Payment-Signature, facilitators and settlement. Try GET /x402-echo/sample.","status":"live","indexable":true,"listed_since":"2026-10-25T17:51:15.437501Z","sources":[{"source":"x402_bazaar","external_id":"https://x402.agentindex.world/x402-echo","owner_address":"0x3cedc3cba49c3809ee46b9bf60da75d6607b45ec","seen_at":"2026-10-26T17:11:37.824911Z","removed_at":null}],"endpoints":[{"url":"https://x402.agentindex.world/x402-echo","host":"x402.agentindex.world","protocol":"x402","state":"live","last_probe_at":"2026-10-26T07:25:17.558050Z","last_ok_at":"2026-10-26T07:25:17.558050Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"x402-agentindex-world-04b92566","name":"x402.agentindex.world"}],"payment_options":[{"endpoint_url":"https://x402.agentindex.world/x402-echo","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"1000","pay_to":"0x3cedc3cba49c3809ee46b9bf60da75d6607b45ec","observed_at":"2026-10-26T07:25:17.558050Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":6,"paid_calls_30d":39,"last_paid_at":"2026-10-25T23:33:20.797Z","reported_at":"2026-10-26T17:11:37.824911Z"},"assessment":{"method":"2026.10.1","checks":[{"id":"answers","state":"pass","reason":"Answered a check 7 hours ago."},{"id":"owner","state":"fail","reason":"No one has proven control of its domain or of the wallet it is paid at."},{"id":"track_record","state":"fail","reason":"Listed for 0 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"6 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":1,"applicable":4,"contradicted":false,"computed_at":"2026-10-26T14:49:53.718839Z"},"identity":{"endpoint_domains":["agentindex.world"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}