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QR code Generator vs Shotstack

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

APIQR code GeneratorNEW—ShotstackNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

QR code Generator vs Shotstack: common questions

Which is more reliable, QR code Generator or Shotstack?

On our scheduled checks, Shotstack leads on measured uptime — QR code Generator at —% versus Shotstack 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 QR code Generator and Shotstack need an API key?

Both ask you to authenticate — QR code Generator uses an API key and Shotstack 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 QR code Generator and Shotstack from the browser?

Yes — both QR code Generator and Shotstack send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are QR code Generator and Shotstack free for commercial use?

QR code Generator has unclear commercial terms, and Shotstack 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.