OpenQR vs Postman Echo
Same instrument, two spec sheets — measured, not claimed.
OpenQR vs Postman Echo: common questions
Which is more reliable, OpenQR or Postman Echo?
Both are neck-and-neck — OpenQR and Postman Echo 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 Postman Echo?
Postman Echo has the lower median latency in our checks — OpenQR responds in 1125 ms versus Postman Echo at 201 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 Postman Echo need an API key?
Postman Echo needs no key, while OpenQR requires a free API key. If you want to start calling without signup, reach for Postman Echo first.
Can I call OpenQR and Postman Echo from the browser?
Only OpenQR is browser-friendly — it returns CORS headers over HTTPS. Postman Echo needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are OpenQR and Postman Echo free for commercial use?
OpenQR has unclear commercial terms, and Postman Echo 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.