Fixer API vs Mediastack
Same instrument, two spec sheets — measured, not claimed.
Fixer API vs Mediastack: common questions
Which is more reliable, Fixer API or Mediastack?
On our scheduled checks, Mediastack leads on measured uptime — Fixer API at 99.02% versus Mediastack 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 API or Mediastack?
Fixer API has the lower median latency in our checks — Fixer API responds in 448 ms versus Mediastack at 449 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 API and Mediastack need an API key?
Both ask you to authenticate — Fixer API uses an API key and Mediastack 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 API and Mediastack from the browser?
Neither sends browser-friendly CORS headers reliably, so call Fixer API and Mediastack from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Fixer API and Mediastack free for commercial use?
Fixer API has unclear commercial terms, and Mediastack 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.