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Frankfurter

Finance & Markets

Free, open-source foreign-exchange rate API sourced from European Central Bank data, no key required.

Frankfurter is listed in Finance & Markets.

Auth No auth Pricing Free URL https://frankfurter.dev Docs https://frankfurter.dev/

Key metrics

No published cap Rate limit Free and keyless; no published rate limit (ECB reference rates, updated on business days).

Labels

  • No auth

    No auth

    Callable with no API key or login — lowest-friction to integrate.

forex currency exchange-rates ecb open-source
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