Notion vs OpenQR
Same instrument, two spec sheets — measured, not claimed.
Notion vs OpenQR: common questions
Which is more reliable, Notion or OpenQR?
Both are neck-and-neck — Notion and OpenQR 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, Notion or OpenQR?
Notion has the lower median latency in our checks — Notion responds in 524 ms versus OpenQR at 1125 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 Notion and OpenQR need an API key?
Both ask you to authenticate — Notion uses OAuth 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 Notion and OpenQR from the browser?
Yes — both Notion 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 Notion and OpenQR free for commercial use?
Notion 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.