ELI vs Wahlumfragen Datenbank API

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

Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms5911215
P95 · ms18173172
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ELI vs Wahlumfragen Datenbank API: common questions

Which is more reliable, ELI or Wahlumfragen Datenbank API?

On our scheduled checks, Wahlumfragen Datenbank API leads on measured uptime — ELI at 99.02% versus Wahlumfragen Datenbank API at 100% 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, ELI or Wahlumfragen Datenbank API?

ELI has the lower median latency in our checks — ELI responds in 591 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 ELI and Wahlumfragen Datenbank API need an API key?

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

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

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

ELI 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.