{"slug":"api-liquidagent-ai-v1-gas-preflight-594b1860","name":"api.liquidagent.ai/v1/gas/preflight","summary":"Base transaction preflight: simulate an unsigned transaction, estimate gas and an indicative USDC sponsorship price. No signing or broadcast. $0.005 per completed preflight, including a decoded revert.","status":"live","headings":[{"slug":"blockchain","title":"Blockchain & wallets"}],"indexable":true,"listed_since":"2026-11-01T19:06:21.153423Z","sources":[{"source":"x402_bazaar","external_id":"https://api.liquidagent.ai/v1/gas/preflight","owner_address":"0x487b28a4fbba8cf46eb6e1d72e6959202bb75e90","seen_at":"2026-11-15T10:33:13.105595Z","removed_at":null}],"endpoints":[{"url":"https://api.liquidagent.ai/v1/gas/preflight","host":"api.liquidagent.ai","protocol":"x402","state":"live","last_probe_at":"2026-11-15T13:41:32.392060Z","last_ok_at":"2026-11-15T13:41:32.392060Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"api-liquidagent-ai-8bfd3d69","name":"api.liquidagent.ai"}],"payment_options":[{"endpoint_url":"https://api.liquidagent.ai/v1/gas/preflight","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"5000","pay_to":"0x7475e9e0ee7c0d9f1abcaffb74f5f4e195ef3703","observed_at":"2026-11-15T13:41:32.392060Z"},{"endpoint_url":"https://api.liquidagent.ai/v1/gas/preflight","network":"eip155:137","scheme":"exact","rail":"exact","asset":"0x3c499c542cef5e3811e1192ce70d8cc03d5c3359","coin":"USDC","asset_label":"USD Coin","amount":"5000","pay_to":"0x7475e9e0ee7c0d9f1abcaffb74f5f4e195ef3703","observed_at":"2026-11-15T13:41:32.392060Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":1,"paid_calls_30d":1,"last_paid_at":"2026-11-01T02:22:40.067Z","reported_at":"2026-11-15T10:33:13.105595Z"},"assessment":{"method":"2026.11.4","checks":[{"id":"answers","state":"pass","reason":"Answered a check within the last hour."},{"id":"owner","state":"contradicted","reason":"Its 402 answer asks to be paid at a wallet that none of its listings name."},{"id":"track_record","state":"contradicted","reason":"In the last 30 days its 402 answer switched to a payment wallet no listing names."},{"id":"real_customers","state":"fail","reason":"1 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":true,"computed_at":"2026-11-15T00:37:08.235984Z"},"identity":{"endpoint_domains":["liquidagent.ai"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0,"identity_checks":[],"wallet_attestations":[],"human_backings":[]},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}