Check e-mail or username for a data breach vs Open Topo Data

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

Uptime · 30d
Uptime · 90d100%91.7%
Uptime · 30d100%95.0%
P50 · ms158187
P95 · ms8171260
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Check e-mail or username for a data breach vs Open Topo Data: common questions

Which is more reliable, Check e-mail or username for a data breach or Open Topo Data?

On our scheduled checks, Check e-mail or username for a data breach leads on measured uptime — Check e-mail or username for a data breach at 100% versus Open Topo Data at 91.7% 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, Check e-mail or username for a data breach or Open Topo Data?

Check e-mail or username for a data breach has the lower median latency in our checks — Check e-mail or username for a data breach responds in 158 ms versus Open Topo Data at 187 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 Check e-mail or username for a data breach and Open Topo Data need an API key?

Neither needs a paid key — Check e-mail or username for a data breach is callable with no signup, and Open Topo Data is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Check e-mail or username for a data breach and Open Topo Data from the browser?

Neither sends browser-friendly CORS headers reliably, so call Check e-mail or username for a data breach and Open Topo Data from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Check e-mail or username for a data breach and Open Topo Data free for commercial use?

Check e-mail or username for a data breach has unclear commercial terms, and Open Topo Data 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.