OpenQR vs ReqRes
Same instrument, two spec sheets — measured, not claimed.
OpenQR vs ReqRes: common questions
Which is more reliable, OpenQR or ReqRes?
Both are neck-and-neck — OpenQR and ReqRes 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, OpenQR or ReqRes?
ReqRes has the lower median latency in our checks — OpenQR responds in 1125 ms versus ReqRes at 256 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 OpenQR and ReqRes need an API key?
ReqRes needs no key, while OpenQR requires a free API key. If you want to start calling without signup, reach for ReqRes first.
Can I call OpenQR and ReqRes from the browser?
Only OpenQR is browser-friendly — it returns CORS headers over HTTPS. ReqRes needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are OpenQR and ReqRes free for commercial use?
OpenQR has unclear commercial terms, and ReqRes 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.