Abstract API vs OpenQR
Same instrument, two spec sheets — measured, not claimed.
Abstract API vs OpenQR: common questions
Which is more reliable, Abstract API or OpenQR?
On our scheduled checks, OpenQR leads on measured uptime — Abstract API at —% versus OpenQR 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 Abstract API and OpenQR need an API key?
Both ask you to authenticate — Abstract API uses an API key and OpenQR 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 Abstract API and OpenQR from the browser?
Yes — both Abstract API and OpenQR 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 Abstract API and OpenQR free for commercial use?
Abstract API has unclear commercial terms, and OpenQR 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.