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GET
Retrieve the currency mapping for every country in the database. Each item links a country (by ISO2) to its currency code, name, and symbol. Use the optional ?code= query parameter to perform a reverse lookup and find every country that uses a given ISO 4217 currency code (e.g., all Eurozone countries).
Availability: Supporter plan and above. Returns 403 on lower tiers.
The list is alphabetically ordered by country ISO2 and excludes countries without currency data (~0.1% of records). Results are cached server-side for 24 hours.

Authentication

string
required
Your API key for authentication

Query Parameters

string
Optional ISO 4217 currency code (3 letters, case-insensitive). When set, returns only countries that use that currency. Invalid codes return 400.

Response

Returns an array of objects with this shape:
string
ISO2 code of the country (e.g., "US", "IN", "FR")
object
Currency information