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Bank of Russia vs Frankfurter

Same instrument, two spec sheets — measured, not claimed.

APIBank of RussiaNEW—FrankfurterHEALTHY—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverified (underlying rates are official Bank of Russia public data)Public data (ECB reference rates)
Free tierFree — limits not publishedUnlimited — abuse-rate-limited only
Rate limitUnpublishedUnpublished, generous
In directory since2026-07-052026-05-02
operationalpartialdownno data

Bank of Russia vs Frankfurter: common questions

Which is more reliable, Bank of Russia or Frankfurter?

On our scheduled checks, Frankfurter leads on measured uptime — Bank of Russia at —% versus Frankfurter at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Bank of Russia and Frankfurter need an API key?

Neither needs a paid key — Bank of Russia is callable with no signup, and Frankfurter is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Bank of Russia and Frankfurter from the browser?

Yes — both Bank of Russia and Frankfurter send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Bank of Russia and Frankfurter free for commercial use?

Bank of Russia has unclear commercial terms, and Frankfurter allows commercial use on its free tier. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.