RestoSignals vs Shields
Same instrument, two spec sheets — measured, not claimed.
RestoSignals vs Shields: common questions
Which is more reliable, RestoSignals or Shields?
Both are neck-and-neck — RestoSignals and Shields 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, RestoSignals or Shields?
Shields has the lower median latency in our checks — RestoSignals responds in 748 ms versus Shields at 28 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 RestoSignals and Shields need an API key?
Shields needs no key, while RestoSignals requires a free API key. If you want to start calling without signup, reach for Shields first.
Can I call RestoSignals and Shields from the browser?
Only Shields is browser-friendly — it returns CORS headers over HTTPS. RestoSignals needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are RestoSignals and Shields free for commercial use?
RestoSignals has unclear commercial terms, and Shields 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.