{"api":"v1","generated_at":"2026-09-16T02:16:51.703Z","licence":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/","attribution":"TOLL, with a link to the page cited"},"page":"https://tollindex.com/e/api-certaindata-ai-ca054d66abad4d6ea80ba43013b61743-cd-fx-rates-base-1dde87","pinned_page":"https://tollindex.com/e/api-certaindata-ai-ca054d66abad4d6ea80ba43013b61743-cd-fx-rates-base-1dde87/at/2026-09-15T21-20Z","pinned":false,"method":"https://tollindex.com/ledger/method","snapshot_at":"2026-09-15T21:20:12.737Z","snapshot_stamp":"2026-09-15T21-20Z","endpoint":{"slug":"api-certaindata-ai-ca054d66abad4d6ea80ba43013b61743-cd-fx-rates-base-1dde87","canonical_url":"https://api.certaindata.ai/ca054d66abad4d6ea80ba43013b61743-cd/fx-rates/:base","resource":"https://api.certaindata.ai/ca054d66abad4d6ea80ba43013b61743-cd/fx-rates/:base","http_method":"GET","type":"http","x402_version":2,"registries":["cdp"],"primary_registry":"cdp","curated_by_coinbase":false,"description":"Mid-market reference rates for one base currency against all published currencies, from the European Central Bank.","service_name":"CertainData","declared_category":null,"declared_tags":["Rates","Exchange Rate","FX","Currency"],"route_template":"/ca054d66abad4d6ea80ba43013b61743-cd/fx-rates/:base","registry_updated":"2026-08-28T14:15:47.040Z"},"derived":{"note":"fields no registry supplies; TOLL derives them and marks them derived on the page","title":"ca054d66abad4d6ea80ba43013b61743 cd fx rates","category":"market-data","first_observed_by_toll":"2026-09-10T19:08:24.178Z","last_observed_by_toll":"2026-09-15T21:20:12.737Z","observation_began":"2026-09-10"},"presence":{"listed_now":true,"first_absent_at":null,"delisting_confirmed_at":null,"events":[{"registry":"cdp","at":"2026-09-10T19:08:24.178Z","event":"listed"}]},"accepts":[{"registry":"cdp","ordinal":0,"network":"eip155:8453","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USD Coin","symbol":"USDC","decimals":6,"amount_display":"0.007 USDC","amount_units":0.007,"decimals_known":true,"pay_to":"0x9A4fb84633C690e422c33491D1FCC319849E6BB0","scheme":"exact"}],"counters":{"observed_at":"2026-09-15T21:20:12.737Z","calls_30d":1,"unique_payers_30d":1,"last_called_at":"2026-08-28T14:15:46.031Z"},"validation":{"latest":{"observed_at":"2026-09-15T04:08:07.562Z","state":"fail","failed_checks":["returns_402"],"endpoint_http_status":404,"run_id":"daily-2026-09-15"},"uptime":[{"days":7,"observed":5,"passed":0,"ratio":0},{"days":30,"observed":5,"passed":0,"ratio":0},{"days":90,"observed":5,"passed":0,"ratio":0}],"history_90d":[{"observed_at":"2026-09-15T04:08:07.562Z","state":"fail","failed_checks":["returns_402"],"run_id":"daily-2026-09-15","state_changed":false},{"observed_at":"2026-09-14T04:06:40.946Z","state":"fail","failed_checks":["returns_402"],"run_id":"daily-2026-09-14","state_changed":false},{"observed_at":"2026-09-13T04:06:08.171Z","state":"fail","failed_checks":["returns_402"],"run_id":"daily-2026-09-13","state_changed":false},{"observed_at":"2026-09-12T06:21:18.133Z","state":"fail","failed_checks":["returns_402"],"run_id":"daily-2026-09-12","state_changed":false},{"observed_at":"2026-09-11T09:48:45.453Z","state":"fail","failed_checks":["returns_402"],"run_id":"daily-2026-09-11","state_changed":true}]},"seller":{"wallet":"0x9A4fb84633C690e422c33491D1FCC319849E6BB0","page":"https://tollindex.com/seller/0x9A4fb84633C690e422c33491D1FCC319849E6BB0","endpoints":9,"hosts":2},"reports":0,"registry_record":{"cdp":[{"tags":["Rates","Exchange Rate","FX","Currency"],"type":"http","accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x9A4fb84633C690e422c33491D1FCC319849E6BB0","amount":"7000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"iconUrl":"https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1784035029/bazaar-icons/ad6c54840ab1b42f.png","quality":{"lastCalledAt":"2026-08-28T14:15:46.031Z","l30DaysTotalCalls":1,"l30DaysUniquePayers":1},"resource":"https://api.certaindata.ai/ca054d66abad4d6ea80ba43013b61743-cd/fx-rates/:base","extensions":{"bazaar":{"info":{"input":{"type":"http","method":"GET","pathParams":{"base":"string"},"queryParams":{"date":"string"}},"output":{"type":"json","example":{}}},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","pathParams"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object","required":["base"],"properties":{"base":{"type":"string","description":"Base currency as a 3-letter ISO code, e.g. EUR."}}},"queryParams":{"type":"object","properties":{"date":{"type":"string","description":"Optional. A specific date (YYYY-MM-DD) for a historical rate, e.g. 2026-01-01. Omit for the latest."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"routeTemplate":"/ca054d66abad4d6ea80ba43013b61743-cd/fx-rates/:base"}},"description":"Mid-market reference rates for one base currency against all published currencies, from the European Central Bank.","lastUpdated":"2026-08-28T14:15:47.04Z","serviceName":"CertainData","x402Version":2}]}}