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JSONPlaceholder vs What The Commit

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

APIJSONPlaceholderHEALTHY95What The CommitHEALTHY79
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms4011312
P95 · ms10964279
Authnonenone
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limit1000 req/window · 999 remaining · resets 1783509378Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

JSONPlaceholder vs What The Commit: common questions

Which is more reliable, JSONPlaceholder or What The Commit?

On our scheduled checks, JSONPlaceholder leads on measured uptime — JSONPlaceholder at 100% versus What The Commit at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, JSONPlaceholder or What The Commit?

JSONPlaceholder has the lower median latency in our checks — JSONPlaceholder responds in 401 ms versus What The Commit at 1312 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 What The Commit need an API key?

Neither needs a paid key — JSONPlaceholder is callable with no signup, and What The Commit is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call JSONPlaceholder and What The Commit from the browser?

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

Are JSONPlaceholder and What The Commit free for commercial use?

JSONPlaceholder has unclear commercial terms, and What The Commit 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.