Open Dog Registry vs PlaceDog

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d41.2%97.1%
Uptime · 30d6.7%95.0%
P50 · ms2963405
P95 · ms46371089
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Open Dog Registry vs PlaceDog: common questions

Which is more reliable, Open Dog Registry or PlaceDog?

On our scheduled checks, PlaceDog leads on measured uptime — Open Dog Registry at 41.2% versus PlaceDog 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 PlaceDog?

PlaceDog has the lower median latency in our checks — Open Dog Registry responds in 2963 ms versus PlaceDog at 405 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 PlaceDog need an API key?

PlaceDog needs no key, while Open Dog Registry requires a free API key. If you want to start calling without signup, reach for PlaceDog first.

Can I call Open Dog Registry and PlaceDog from the browser?

Neither sends browser-friendly CORS headers reliably, so call Open Dog Registry and PlaceDog 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 PlaceDog free for commercial use?

Open Dog Registry has unclear commercial terms, and PlaceDog 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.