opendata.swiss API
FreeLiveLast verified 24 Sept 2026
CKAN-based search over ~16,000 Swiss federal, cantonal, and municipal open datasets.
Example request
curl -s 'https://ckan.opendata.swiss/api/3/action/package_search?fq=tags:economy'
Free tier, in plain English
Read access to the CKAN API is free and keyless; an API key is only needed for write/publish operations, which aren't used by data consumers.
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