AutoChangelog vs ReqRes

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms578256
P95 · ms1729582
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

AutoChangelog vs ReqRes: common questions

Which is more reliable, AutoChangelog or ReqRes?

Both are neck-and-neck — AutoChangelog 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, AutoChangelog or ReqRes?

ReqRes has the lower median latency in our checks — AutoChangelog responds in 578 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 AutoChangelog and ReqRes need an API key?

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

Can I call AutoChangelog and ReqRes from the browser?

Neither sends browser-friendly CORS headers reliably, so call AutoChangelog and ReqRes from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are AutoChangelog and ReqRes free for commercial use?

AutoChangelog 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.