JSONPlaceholder vs WakaTime

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms401969
P95 · ms10962993
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree public endpoints; personal data needs API key/OAuth
Rate limit1000 req/window · 999 remaining · resets 1783509378Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

JSONPlaceholder vs WakaTime: common questions

Which is more reliable, JSONPlaceholder or WakaTime?

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

JSONPlaceholder has the lower median latency in our checks — JSONPlaceholder responds in 401 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 JSONPlaceholder and WakaTime need an API key?

Neither needs a paid key — JSONPlaceholder 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 JSONPlaceholder and WakaTime from the browser?

Only JSONPlaceholder 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 JSONPlaceholder and WakaTime free for commercial use?

JSONPlaceholder 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.