SLA Uptime Calculator vs What The Commit

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

Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms13731312
P95 · ms27414279
Authnonenone
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

SLA Uptime Calculator vs What The Commit: common questions

Which is more reliable, SLA Uptime Calculator or What The Commit?

On our scheduled checks, SLA Uptime Calculator leads on measured uptime — SLA Uptime Calculator 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, SLA Uptime Calculator or What The Commit?

What The Commit has the lower median latency in our checks — SLA Uptime Calculator responds in 1373 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 SLA Uptime Calculator and What The Commit need an API key?

Neither needs a paid key — SLA Uptime Calculator is callable with no signup, and What The Commit is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call SLA Uptime Calculator and What The Commit from the browser?

Only SLA Uptime Calculator is browser-friendly — it returns CORS headers over HTTPS. What The Commit needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are SLA Uptime Calculator and What The Commit free for commercial use?

SLA Uptime Calculator 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.