{"slug":"currency-api-production-4a8d-up-railway-app-rates-histo-378feec6","name":"currency-api-production-4a8d.up.railway.app/rates/historical","summary":"Historical fiat exchange rates for a given date (YYYY-MM-DD, back to 1999-01-04) and base currency; optionally restrict to specific targets.","status":"live","indexable":true,"listed_since":"2026-10-25T17:53:33.961953Z","sources":[{"source":"x402_bazaar","external_id":"https://currency-api-production-4a8d.up.railway.app/rates/historical","owner_address":"0xffc458db291b4abce020fe3de4f91f2770e537b1","seen_at":"2026-10-29T18:27:57.667626Z","removed_at":null}],"endpoints":[{"url":"https://currency-api-production-4a8d.up.railway.app/rates/historical","host":"currency-api-production-4a8d.up.railway.app","protocol":"x402","state":"live","last_probe_at":"2026-10-29T16:04:10.656167Z","last_ok_at":"2026-10-29T16:04:10.656167Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"currency-api-production-4a8d-up-railway-app-27140d0e","name":"currency-api-production-4a8d.up.railway.app"}],"payment_options":[{"endpoint_url":"https://currency-api-production-4a8d.up.railway.app/rates/historical","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"1000","pay_to":"0xffc458db291b4abce020fe3de4f91f2770e537b1","observed_at":"2026-10-29T16:04:10.656167Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":5,"paid_calls_30d":7,"last_paid_at":"2026-10-25T20:40:00.944Z","reported_at":"2026-10-29T18:27:57.667626Z"},"assessment":{"method":"2026.10.2","checks":[{"id":"answers","state":"pass","reason":"Answered a check 2 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 4 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"5 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":"2026-10-29T18:28:23.655271Z"},"identity":{"endpoint_domains":["currency-api-production-4a8d.up.railway.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."}