BriefTape vs Frankfurter
Same instrument, two spec sheets — measured, not claimed.
BriefTape vs Frankfurter: common questions
Which is more reliable, BriefTape or Frankfurter?
On our scheduled checks, BriefTape leads on measured uptime — BriefTape at 99.02% 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, BriefTape or Frankfurter?
Frankfurter has the lower median latency in our checks — BriefTape responds in 1021 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 BriefTape and Frankfurter need an API key?
Frankfurter needs no key, while BriefTape requires a free API key. If you want to start calling without signup, reach for Frankfurter first.
Can I call BriefTape and Frankfurter from the browser?
Yes — both BriefTape 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 BriefTape and Frankfurter free for commercial use?
BriefTape 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.