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QuickChart vs Randommer

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

APIQuickChartNEW—RandommerNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

QuickChart vs Randommer: common questions

Which is more reliable, QuickChart or Randommer?

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

QuickChart needs no key, while Randommer requires a free API key. If you want to start calling without signup, reach for QuickChart first.

Can I call QuickChart and Randommer from the browser?

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

Are QuickChart and Randommer free for commercial use?

QuickChart has unclear commercial terms, and Randommer 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.