Open Dog Registry vs RescueGroups
Same instrument, two spec sheets — measured, not claimed.
Open Dog Registry vs RescueGroups: common questions
Which is more reliable, Open Dog Registry or RescueGroups?
On our scheduled checks, RescueGroups leads on measured uptime — Open Dog Registry at 41.2% versus RescueGroups at 97.1% 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, Open Dog Registry or RescueGroups?
RescueGroups has the lower median latency in our checks — Open Dog Registry responds in 2963 ms versus RescueGroups at 700 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 Open Dog Registry and RescueGroups need an API key?
RescueGroups needs no key, while Open Dog Registry requires a free API key. If you want to start calling without signup, reach for RescueGroups first.
Can I call Open Dog Registry and RescueGroups from the browser?
Neither sends browser-friendly CORS headers reliably, so call Open Dog Registry and RescueGroups from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Open Dog Registry and RescueGroups free for commercial use?
Open Dog Registry has unclear commercial terms, and RescueGroups 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.