FastDOL vs Federal Register
Same instrument, two spec sheets — measured, not claimed.
FastDOL vs Federal Register: common questions
Which is more reliable, FastDOL or Federal Register?
On our scheduled checks, FastDOL leads on measured uptime — FastDOL at 100% versus Federal Register at 98.0% 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 Federal Register?
Federal Register has the lower median latency in our checks — FastDOL responds in 680 ms versus Federal Register at 478 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 Federal Register need an API key?
Federal Register needs no key, while FastDOL requires a free API key. If you want to start calling without signup, reach for Federal Register first.
Can I call FastDOL and Federal Register from the browser?
Only Federal Register 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 Federal Register free for commercial use?
FastDOL has unclear commercial terms, and Federal Register allows commercial use on its free tier. 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.