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Istanbul (İBB) Open Data vs Open Government, Finland

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

APIIstanbul (İBB) Open DataNEW—Open Government, FinlandNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (varies per dataset)Per-dataset (many CC BY 4.0)
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, Finland: common questions

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

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

Neither needs a paid key — Istanbul (İBB) Open Data is callable with no signup, and Open Government, Finland 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, Finland from the browser?

Neither sends browser-friendly CORS headers reliably, so call Istanbul (İBB) Open Data and Open Government, Finland from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

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

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