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Frankfurter

FRANKFURTERbuyer room · privateManage buyer room

open-source, keyless exchange-rate API; the v1 endpoints serve daily ECB reference rates (live test: ~30 currencies vs USD, dated same-day). current docs advertise a v2 API aggregating 84 central banks and 201 currencies with history back to 1948, JSON/CSV/NDJSON output, and a providers filter. no key, no quotas, free for commercial use, and self-hostable via docker.

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