OpenQR vs Serialif Color
Same instrument, two spec sheets — measured, not claimed.
OpenQR vs Serialif Color: common questions
Which is more reliable, OpenQR or Serialif Color?
On our scheduled checks, OpenQR leads on measured uptime — OpenQR at 100% versus Serialif Color at 35.3% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, OpenQR or Serialif Color?
OpenQR has the lower median latency in our checks — OpenQR responds in 1125 ms versus Serialif Color at 1680 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 Serialif Color need an API key?
Serialif Color needs no key, while OpenQR requires a free API key. If you want to start calling without signup, reach for Serialif Color first.
Can I call OpenQR and Serialif Color from the browser?
Only OpenQR is browser-friendly — it returns CORS headers over HTTPS. Serialif Color needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are OpenQR and Serialif Color free for commercial use?
OpenQR has unclear commercial terms, and Serialif Color 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.