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APIs.guru vs QR code Generator

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

APIAPIs.guruNEW—QR code GeneratorNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree and open, no keyFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

APIs.guru vs QR code Generator: common questions

Which is more reliable, APIs.guru or QR code Generator?

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

APIs.guru needs no key, while QR code Generator requires a free API key. If you want to start calling without signup, reach for APIs.guru first.

Can I call APIs.guru and QR code Generator from the browser?

Yes — both APIs.guru and QR code Generator 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 APIs.guru and QR code Generator free for commercial use?

APIs.guru has unclear commercial terms, and QR code Generator 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.