IBANforge vs Frankfurter
Same instrument, two spec sheets — measured, not claimed.
IBANforge vs Frankfurter: common questions
Which is more reliable, IBANforge or Frankfurter?
On our scheduled checks, Frankfurter leads on measured uptime — IBANforge 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 IBANforge and Frankfurter need an API key?
Neither needs a paid key — IBANforge 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 IBANforge and Frankfurter from the browser?
Yes — both IBANforge 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 IBANforge and Frankfurter free for commercial use?
IBANforge 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.