FastDOL vs Neotimo DGFiP Mirror
Same instrument, two spec sheets — measured, not claimed.
FastDOL vs Neotimo DGFiP Mirror: common questions
Which is more reliable, FastDOL or Neotimo DGFiP Mirror?
On our scheduled checks, Neotimo DGFiP Mirror leads on measured uptime — FastDOL at 76.1% versus Neotimo DGFiP Mirror 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 Neotimo DGFiP Mirror?
Neotimo DGFiP Mirror has the lower median latency in our checks — FastDOL responds in 443 ms versus Neotimo DGFiP Mirror at 337 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 Neotimo DGFiP Mirror need an API key?
Neotimo DGFiP Mirror needs no key, while FastDOL requires a free API key. If you want to start calling without signup, reach for Neotimo DGFiP Mirror first.
Can I call FastDOL and Neotimo DGFiP Mirror from the browser?
Only Neotimo DGFiP Mirror is browser-friendly — it returns CORS headers over HTTPS. FastDOL needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are FastDOL and Neotimo DGFiP Mirror free for commercial use?
FastDOL has unclear commercial terms, and Neotimo DGFiP Mirror 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.