shipapis
StarSubmit an APISubmit API

Vector Express v2.0 vs Wahlumfragen Datenbank API

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

APIVector Express v2.0NEW—Wahlumfragen Datenbank APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFreeFree — limits not published
Rate limit5 req/window · 4 remaining · resets 1783513379Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Vector Express v2.0 vs Wahlumfragen Datenbank API: common questions

Which is more reliable, Vector Express v2.0 or Wahlumfragen Datenbank API?

On our scheduled checks, Wahlumfragen Datenbank API leads on measured uptime — Vector Express v2.0 at —% versus Wahlumfragen Datenbank API at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Vector Express v2.0 and Wahlumfragen Datenbank API need an API key?

Neither needs a paid key — Vector Express v2.0 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 Vector Express v2.0 and Wahlumfragen Datenbank API from the browser?

Only Wahlumfragen Datenbank API is browser-friendly — it returns CORS headers over HTTPS. Vector Express v2.0 needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Vector Express v2.0 and Wahlumfragen Datenbank API free for commercial use?

Vector Express v2.0 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.