Data USA vs OpenRegistry
Same instrument, two spec sheets — measured, not claimed.
Data USA vs OpenRegistry: common questions
Which is more reliable, Data USA or OpenRegistry?
On our scheduled checks, Data USA leads on measured uptime — Data USA at 100% versus OpenRegistry at 98.0% 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, Data USA or OpenRegistry?
OpenRegistry has the lower median latency in our checks — Data USA responds in 433 ms versus OpenRegistry at 363 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 Data USA and OpenRegistry need an API key?
Data USA needs no key, while OpenRegistry requires a free API key. If you want to start calling without signup, reach for Data USA first.
Can I call Data USA and OpenRegistry from the browser?
Yes — both Data USA and OpenRegistry 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 Data USA and OpenRegistry free for commercial use?
Data USA has unclear commercial terms, and OpenRegistry 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.