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OpenQR vs Wahlumfragen Datenbank API

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

APIOpenQRHEALTHY80Wahlumfragen Datenbank APIHEALTHY64
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms11251215
P95 · ms28513172
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

OpenQR vs Wahlumfragen Datenbank API: common questions

Which is more reliable, OpenQR or Wahlumfragen Datenbank API?

Both are neck-and-neck — OpenQR 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, OpenQR or Wahlumfragen Datenbank API?

OpenQR has the lower median latency in our checks — OpenQR responds in 1125 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 OpenQR and Wahlumfragen Datenbank API need an API key?

Wahlumfragen Datenbank API needs no key, while OpenQR requires a free API key. If you want to start calling without signup, reach for Wahlumfragen Datenbank API first.

Can I call OpenQR and Wahlumfragen Datenbank API from the browser?

Yes — both OpenQR and Wahlumfragen Datenbank API 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 OpenQR and Wahlumfragen Datenbank API free for commercial use?

OpenQR 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.