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User Agent Lookup API vs Wahlumfragen Datenbank API

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

APIUser Agent Lookup APIHEALTHY96Wahlumfragen Datenbank APIHEALTHY64
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms4261215
P95 · ms7643172
Authnonenone
CORSnoyes
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

User Agent Lookup API vs Wahlumfragen Datenbank API: common questions

Which is more reliable, User Agent Lookup API or Wahlumfragen Datenbank API?

Both are neck-and-neck — User Agent Lookup API and Wahlumfragen Datenbank API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, User Agent Lookup API or Wahlumfragen Datenbank API?

User Agent Lookup API has the lower median latency in our checks — User Agent Lookup API responds in 426 ms versus Wahlumfragen Datenbank API at 1215 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 User Agent Lookup API and Wahlumfragen Datenbank API need an API key?

Neither needs a paid key — User Agent Lookup API is callable with no signup, and Wahlumfragen Datenbank API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call User Agent Lookup API and Wahlumfragen Datenbank API from the browser?

Only Wahlumfragen Datenbank API is browser-friendly — it returns CORS headers over HTTPS. User Agent Lookup API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are User Agent Lookup API and Wahlumfragen Datenbank API free for commercial use?

User Agent Lookup API has unclear commercial terms, and Wahlumfragen Datenbank API 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.