FastDOL vs PermisAPI
Same instrument, two spec sheets — measured, not claimed.
FastDOL vs PermisAPI: common questions
Which is more reliable, FastDOL or PermisAPI?
On our scheduled checks, PermisAPI leads on measured uptime — FastDOL at 76.1% 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, FastDOL or PermisAPI?
FastDOL has the lower median latency in our checks — FastDOL responds in 443 ms versus PermisAPI at 748 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 FastDOL and PermisAPI need an API key?
Both ask you to authenticate — FastDOL 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 FastDOL and PermisAPI from the browser?
Neither sends browser-friendly CORS headers reliably, so call FastDOL and PermisAPI from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are FastDOL and PermisAPI free for commercial use?
FastDOL 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.