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Umeå Open Data

Open Data

Open data of the city Umeå in northern Sweden.

Umeå Open Data's website screenshot

About Umeå Open Data

Umeå Open Data provides a REST API for accessing open datasets published by the Umeå municipality through an Opendatasoft platform. The API follows the Opendatasoft Explore API v2 specification (v2.1), using the Opendatasoft Query Language (ODSQL) for querying, and returns JSON responses with hierarchical endpoint navigation and embedded links.

The API exposes a catalog of datasets with endpoints to list and query datasets, retrieve dataset metadata, and read individual records. Data can be exported in multiple formats including CSV, Parquet, GPX, and RDF/XML (DCAT), with the records endpoint subject to result limits while the export endpoints are unlimited. Additional endpoints support listing facet values and dataset attachments.

This is aimed at developers building applications or performing analysis on Umeå municipal open data, using standard HTTP GET requests against a documented OAS3/Swagger interface.

Key features

  • REST-based Explore API v2 with hierarchical, RESTful endpoints
  • Query and browse the full dataset catalog via ODSQL
  • Export catalog or individual datasets in CSV, Parquet, GPX, or RDF/XML (DCAT) formats
  • Retrieve dataset facets and individual records
  • OAS3/Swagger API documentation

Frequently asked questions

What data format does the API return?

All API endpoints return JSON.

What query language does the API use?

The API uses the Opendatasoft Query Language (ODSQL) across most endpoints.

What export formats are supported?

Datasets can be exported as CSV, Parquet, GPX, or RDF/XML (DCAT), and the catalog can be exported as CSV or DCAT RDF/XML.

Is there a limit on the number of records returned?

The records endpoint has a limited number of returned records, while the exports endpoint has no limitations.

What HTTP methods does the API support?

Only the HTTP GET method is supported.

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