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APIs.guru vs WakaTime

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

APIAPIs.guruHEALTHY97WakaTimeHEALTHY86
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms266969
P95 · ms14212993
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?

Both are neck-and-neck — APIs.guru 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, APIs.guru or WakaTime?

APIs.guru has the lower median latency in our checks — APIs.guru responds in 266 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 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.