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Istanbul (İBB) Open Data vs Open Government, Poland

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

APIIstanbul (İBB) Open DataNEW—Open Government, PolandNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (varies per dataset)Per dataset (many CC0 1.0 / CC BY)
Free tierFree — limits not publishedFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Istanbul (İBB) Open Data vs Open Government, Poland: common questions

Which is more reliable, Istanbul (İBB) Open Data or Open Government, Poland?

On our scheduled checks, Open Government, Poland leads on measured uptime — Istanbul (İBB) Open Data at —% versus Open Government, Poland 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 Istanbul (İBB) Open Data and Open Government, Poland need an API key?

Neither needs a paid key — Istanbul (İBB) Open Data is callable with no signup, and Open Government, Poland is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Istanbul (İBB) Open Data and Open Government, Poland from the browser?

Only Open Government, Poland is browser-friendly — it returns CORS headers over HTTPS. Istanbul (İBB) Open Data needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Istanbul (İBB) Open Data and Open Government, Poland free for commercial use?

Istanbul (İBB) Open Data has unclear commercial terms, and Open Government, Poland 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.