AutoChangelog vs What The Commit

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

Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms5781312
P95 · ms17294279
AuthapiKeynone
CORSnoyes
HTTPSyesno
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 What The Commit: common questions

Which is more reliable, AutoChangelog or What The Commit?

On our scheduled checks, AutoChangelog leads on measured uptime — AutoChangelog at 100% versus What The Commit at 99.02% 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, AutoChangelog or What The Commit?

AutoChangelog has the lower median latency in our checks — AutoChangelog responds in 578 ms versus What The Commit at 1312 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 What The Commit need an API key?

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

Can I call AutoChangelog and What The Commit from the browser?

Neither sends browser-friendly CORS headers reliably, so call AutoChangelog and What The Commit 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 What The Commit free for commercial use?

AutoChangelog has unclear commercial terms, and What The Commit 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.