{"slug":"x402-research-iota-vercel-app-api-x402-invoice-decode-a4873c9c","name":"x402-research-iota.vercel.app/api/x402/invoice-decode","summary":"Use before paying any x402 invoice: decodes a base64 PAYMENT-REQUIRED header (query ?header= or JSON body {header}) and checks scheme exact, Base mainnet, Base USDC asset, payTo (EOA/contract/EIP-7702), human amount, timeout; returns verdict ok/warn/fail with reasons. Errors: 400 invalid header. Read-only; never signs or pays.","status":"live","indexable":true,"listed_since":"2026-10-25T17:57:58.379751Z","sources":[{"source":"x402_bazaar","external_id":"https://x402-research-iota.vercel.app/api/x402/invoice-decode","owner_address":"0xa26f179e42836bc4ae0cea997fdfc9602d5b8147","seen_at":"2026-10-28T09:20:48.448111Z","removed_at":null}],"endpoints":[{"url":"https://x402-research-iota.vercel.app/api/x402/invoice-decode","host":"x402-research-iota.vercel.app","protocol":"x402","state":"live","last_probe_at":"2026-10-28T03:58:24.232274Z","last_ok_at":"2026-10-28T03:58:24.232274Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"x402-research-iota-vercel-app-8f321d55","name":"x402-research-iota.vercel.app"}],"payment_options":[{"endpoint_url":"https://x402-research-iota.vercel.app/api/x402/invoice-decode","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"20000","pay_to":"0xa26f179e42836bc4ae0cea997fdfc9602d5b8147","observed_at":"2026-10-28T03:58:24.232274Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":1,"paid_calls_30d":1,"last_paid_at":"2026-10-25T13:32:35.827Z","reported_at":"2026-10-28T09:20:48.448111Z"},"assessment":{"method":"2026.10.2","checks":[{"id":"answers","state":"pass","reason":"Answered a check 12 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 2 days; 30 are needed."},{"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":false,"computed_at":"2026-10-28T00:47:20.670218Z"},"identity":{"endpoint_domains":["x402-research-iota.vercel.app"],"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."}