APIs.guru vs WakaTime

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree and open, no keyFree public endpoints; personal data needs API key/OAuth
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

APIs.guru vs WakaTime: common questions

Which is more reliable, APIs.guru or WakaTime?

On our scheduled checks, WakaTime leads on measured uptime — APIs.guru 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 APIs.guru and WakaTime need an API key?

Neither needs a paid key — APIs.guru is callable with no signup, and WakaTime is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call APIs.guru and WakaTime from the browser?

Only APIs.guru 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 APIs.guru and WakaTime free for commercial use?

APIs.guru 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.