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OpenQR vs Poptin API

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

APIOpenQRHEALTHY75Poptin APIREACHABLE100
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms2356698
P95 · ms49871705
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree tier — key may be required
Rate limitUnpublished120 req/window · 119 remaining
In directory since2026-07-052026-10-04
operationalpartialdownno data

OpenQR vs Poptin API: common questions

Which is more reliable, OpenQR or Poptin API?

Both are neck-and-neck — OpenQR and Poptin API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, OpenQR or Poptin API?

Poptin API has the lower median latency in our checks — OpenQR responds in 2356 ms versus Poptin API at 698 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do OpenQR and Poptin API need an API key?

Both ask you to authenticate — OpenQR uses an API key and Poptin API 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 OpenQR and Poptin API from the browser?

Yes — both OpenQR and Poptin API 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 OpenQR and Poptin API free for commercial use?

OpenQR has unclear commercial terms, and Poptin API 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.