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Check the historical data availability range for currency rates. Returns the earliest available date for a given currency pair.
Returns a map showing the date range for which historical data is available for each supported currency.
Authorize every request with your API key, passed either as a header or as a query parameter:
X-apiKeyapiKeyThis is version v1.0 of the API.
A successful request returns a 200 OK response with the availability periods for all currencies.
Map of all currency codes to their historical data availability range.
Besides the response body, every response carries custom headers you can use to track credit usage, and concurrency usage on endpoints that enforce a concurrency limit. See the Custom Response Headers documentation and the endpoints with concurrency limits for more details.
X-Concurrent-Threadsheaderconcurrency-limited endpointsSpecifies the maximum number of concurrent requests allowed.
X-Concurrent-Threads-Activeheaderconcurrency-limited endpointsIndicates the number of active concurrent requests being processed.
X-AF-Credits-Costheaderall responsesSpecifies the number of credits consumed by the current request.