Geoportal Stadt Köln catalog Open data in a single API request

Datasets published by Geoportal Stadt Köln. datasets available on official portal for European data

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Available datasets

Open data Portal Geoportal Stadt Köln catalog Open Data API in development

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Bandbreitenübersicht Schulen Köln Open Data

<p>Wir haben die Bandbreitenübersicht der städtischen Schulen erstellt, um die voranschreitende...

Issued on 2026-04-07T01:05:07+02:00

Bandbreitenübersicht Schulen Köln details >

Amtliches Liegenschaftskataster Köln Open Data

<p>ALKIS (Amtliches Liegenschaftskataster-Informationssystem) Daten ohne Eigentümer nach...

Issued on 2026-04-07T01:05:07+02:00

Amtliches Liegenschaftskataster Köln details >

Bibliotheken in Köln Open Data

<p>Georeferenzierte Auflistung der Bibliotheken in Köln. Eine kartebasierte Darstellung ist hier zu...

Issued on 2026-04-07T01:05:07+02:00

Bibliotheken in Köln details >
European data infrastructure with broad catalog discovery, free evaluation access and production-grade API options.
190K+
indexed dataset pages
32
countries and EU institutions
2019
API-first since
Free API quota
for evaluation and prototypes
SLA
history and push on production APIs
FAQ

Questions before production use

Practical answers on evaluation, licensing, freshness, versioning and support.

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Yes. Selected APIs include a free API quota, so your team can validate coverage, freshness, response shape and workflow fit before asking for a production plan.
Often yes, but usage rights depend on the source license and dataset. We surface source, license and update metadata where available, and can help review terms before a production integration.
Maintained APIs include update metadata where available. For production integrations, we can add history, monitoring and push updates so changes are easier to detect and act on.
Production APIs can add SLA, stable identifiers, versioning support, history, push updates and direct support around the data your product or AI workflow depends on.

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