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OpenAPI Generator Online vs What The Commit

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

APIOpenAPI Generator OnlineNEW—What The CommitNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitSee documentationUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

OpenAPI Generator Online vs What The Commit: common questions

Which is more reliable, OpenAPI Generator Online or What The Commit?

On our scheduled checks, What The Commit leads on measured uptime — OpenAPI Generator Online at —% versus What The Commit 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 OpenAPI Generator Online and What The Commit need an API key?

Neither needs a paid key — OpenAPI Generator Online 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 OpenAPI Generator Online and What The Commit from the browser?

Only OpenAPI Generator Online 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 OpenAPI Generator Online and What The Commit free for commercial use?

OpenAPI Generator Online 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.