FEC vs PermisAPI
Same instrument, two spec sheets — measured, not claimed.
FEC vs PermisAPI: common questions
Which is more reliable, FEC or PermisAPI?
On our scheduled checks, PermisAPI leads on measured uptime — FEC at 99.02% versus PermisAPI 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, FEC or PermisAPI?
PermisAPI has the lower median latency in our checks — FEC responds in 1602 ms versus PermisAPI at 1125 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 FEC and PermisAPI need an API key?
Both ask you to authenticate — FEC uses an API key and PermisAPI 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 FEC and PermisAPI from the browser?
Only FEC is browser-friendly — it returns CORS headers over HTTPS. PermisAPI needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are FEC and PermisAPI free for commercial use?
FEC has unclear commercial terms, and PermisAPI 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.