Airtel IP
Geocoding
IP Geolocation API. Collecting data from multiple sources
No keyCORSHTTPS
Kölner Adressen API
This API provides access to a dataset containing addresses within the city of Cologne. It includes geospatial information and various formats for data retrieval, enabling navigation and analysis of geographic data related to buildings and urban structures.
Checked 4 days ago: not responding
API key
Unconfirmed
HTTPS
Supported
Browser calls
Yes, CORS enabled
Status
Failing · 48/100
What our checks found
- Health score
- 48/100
- Reliability
- 100%
- Average latency
- 1788ms
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
How to call it
A starting template for Kölner Adressen API. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# Authentication requirement is unconfirmed. Check the documentation before relying on this.
curl -s "https://offenedaten-koeln.de/ENDPOINT" \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "Accept: application/json"Where this listing comes from
Aggregated from one public source (freepublicapis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
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Kölner Adressen API — common questions
Answered from what our own scheduled checks found, not from the provider's marketing.
Is Kölner Adressen API free to use?
Kölner Adressen API is listed in our free catalogue, but it requires some form of authentication, so you will need to register before your first call. Providers frequently reserve higher limits and commercial use for paid plans.
Does Kölner Adressen API need an API key?
Kölner Adressen API requires some form of authentication. Check the provider's documentation for which scheme it expects.
Can I call Kölner Adressen API from browser JavaScript?
Yes. Kölner Adressen API returned CORS headers when we checked it, so a browser will let your page read the response. You can fetch it directly from client-side JavaScript with no proxy and no backend.
Is Kölner Adressen API still working?
Not at our last check on 2026-09-18. Kölner Adressen API did not respond successfully, which is why it is marked as down here. This may be temporary; we re-check on a schedule and the badge above reflects the most recent run.
Is Kölner Adressen API available over HTTPS?
Yes. Kölner Adressen API serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.