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serpstack vs WakaTime

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

APIserpstackNEW—WakaTimeNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree public endpoints; personal data needs API key/OAuth
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

serpstack vs WakaTime: common questions

Which is more reliable, serpstack or WakaTime?

On our scheduled checks, WakaTime leads on measured uptime — serpstack at —% versus WakaTime at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do serpstack and WakaTime need an API key?

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

Can I call serpstack and WakaTime from the browser?

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

Are serpstack and WakaTime free for commercial use?

serpstack 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.