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ConvertHub API vs Sheetsu

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

APIConvertHub APINEW—SheetsuNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — key may be required
Rate limitUnpublished90 req/window · 89 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

ConvertHub API vs Sheetsu: common questions

Which is more reliable, ConvertHub API or Sheetsu?

On our scheduled checks, Sheetsu leads on measured uptime — ConvertHub API at —% versus Sheetsu 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 ConvertHub API and Sheetsu need an API key?

Both ask you to authenticate — ConvertHub API uses an API key and Sheetsu uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call ConvertHub API and Sheetsu from the browser?

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

Are ConvertHub API and Sheetsu free for commercial use?

ConvertHub API has unclear commercial terms, and Sheetsu 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.