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Open Exchange Rates · Markets

Open Exchange Rates / Historical rates for a date

End of day exchange rates for one past date, back to 1999 on most plans. Runs on your own Open Exchange Rates App ID and the provider bills you.

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Published API evidence
Public metadata only. Response bodies, credentials, and internal review notes are never displayed.

No verification date is claimed. No response capture is claimed.

Request parameters

  • base query · optional

    Base currency, 3-letter code. Default USD. Changing the base needs a paid plan.

  • show_alternative query · optional

    true adds alternative, black market and digital currency rates.

  • symbols query · optional

    Comma separated 3-letter codes to return, e.g. EUR,GBP,JPY. Default all.

No allowlisted official documentation or pricing reference is available.

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