Bank of Russia vs Frankfurter
Same instrument, two spec sheets — measured, not claimed.
Bank of Russia vs Frankfurter: common questions
Which is more reliable, Bank of Russia or Frankfurter?
On our scheduled checks, Bank of Russia leads on measured uptime — Bank of Russia at 100% versus Frankfurter at 88.2% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, Bank of Russia or Frankfurter?
Frankfurter has the lower median latency in our checks — Bank of Russia responds in 648 ms versus Frankfurter at 370 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
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.