Photon API vs RestoSignals
Same instrument, two spec sheets — measured, not claimed.
Photon API vs RestoSignals: common questions
Which is more reliable, Photon API or RestoSignals?
On our scheduled checks, RestoSignals leads on measured uptime — Photon API at 97.8% versus RestoSignals 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, Photon API or RestoSignals?
RestoSignals has the lower median latency in our checks — Photon API responds in 768 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 Photon API and RestoSignals need an API key?
Photon API needs no key, while RestoSignals requires a free API key. If you want to start calling without signup, reach for Photon API first.
Can I call Photon API and RestoSignals from the browser?
Only Photon API 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 Photon API and RestoSignals free for commercial use?
Photon API 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.