OkSurf vs RestoSignals
Same instrument, two spec sheets — measured, not claimed.
OkSurf vs RestoSignals: common questions
Which is more reliable, OkSurf or RestoSignals?
Both are neck-and-neck — OkSurf and RestoSignals each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, OkSurf or RestoSignals?
OkSurf has the lower median latency in our checks — OkSurf responds in 373 ms versus RestoSignals 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 OkSurf and RestoSignals need an API key?
OkSurf needs no key, while RestoSignals requires a free API key. If you want to start calling without signup, reach for OkSurf first.
Can I call OkSurf and RestoSignals from the browser?
Neither sends browser-friendly CORS headers reliably, so call OkSurf and RestoSignals from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are OkSurf and RestoSignals free for commercial use?
OkSurf has unclear commercial terms, and RestoSignals 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.