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Sheetsu vs WakaTime

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

APISheetsuHEALTHY92WakaTimeHEALTHY86
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms572969
P95 · ms12592993
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree public endpoints; personal data needs API key/OAuth
Rate limit90 req/window · 89 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Sheetsu vs WakaTime: common questions

Which is more reliable, Sheetsu or WakaTime?

Both are neck-and-neck — Sheetsu and WakaTime 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, Sheetsu or WakaTime?

Sheetsu has the lower median latency in our checks — Sheetsu responds in 572 ms versus WakaTime at 969 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 Sheetsu and WakaTime need an API key?

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

Can I call Sheetsu and WakaTime from the browser?

Only Sheetsu is browser-friendly — it returns CORS headers over HTTPS. WakaTime needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Sheetsu and WakaTime free for commercial use?

Sheetsu has unclear commercial terms, and WakaTime 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.