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Gcore CDN vs ReqRes

Same instrument, two spec sheets — measured, not claimed.

APIGcore CDNHEALTHY96ReqResHEALTHY98
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms362256
P95 · ms1221582
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Gcore CDN vs ReqRes: common questions

Which is more reliable, Gcore CDN or ReqRes?

Both are neck-and-neck — Gcore CDN 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, Gcore CDN or ReqRes?

ReqRes has the lower median latency in our checks — Gcore CDN responds in 362 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 Gcore CDN and ReqRes need an API key?

ReqRes needs no key, while Gcore CDN requires a free API key. If you want to start calling without signup, reach for ReqRes first.

Can I call Gcore CDN and ReqRes from the browser?

Only Gcore CDN 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 Gcore CDN and ReqRes free for commercial use?

Gcore CDN 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.