Fixer vs Stripe
Same instrument, two spec sheets — measured, not claimed.
Fixer vs Stripe: common questions
Which is more reliable, Fixer or Stripe?
On our scheduled checks, Stripe leads on measured uptime — Fixer at 99.02% versus Stripe at 100% 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, Fixer or Stripe?
Fixer has the lower median latency in our checks — Fixer responds in 481 ms versus Stripe at 670 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 Fixer and Stripe need an API key?
Both ask you to authenticate — Fixer uses an API key and Stripe uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call Fixer and Stripe from the browser?
Only Fixer is browser-friendly — it returns CORS headers over HTTPS. Stripe needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Fixer and Stripe free for commercial use?
Fixer has unclear commercial terms, and Stripe has unclear commercial terms. 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.