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EU open data in Duaer

In Duaer: Find public datasets from EU institutions and national portals on data.europa.eu: title, publisher, country, file formats, and last update. One successful search uses 1 credit.

What you get

Duaer EU open data searches the data.europa.eu catalog of more than a million datasets. Titles come in English when the publisher provides a translation.

Pick Duaer Data → EU open data in the node creator, or open the data market. Related: World Bank indicators, re3data.

When to use it

  • Find an official dataset on energy, transport, environment, or statistics in Europe.
  • List what a country publishes on a topic before building a pipeline.

When not to use it

  • Reading the rows of a dataset. Open the dataset link to download its files.
  • Research data repositories. Use zenodo or re3data.

Search on the canvas

  1. Open the node creator and pick Duaer Data → EU open data.
  2. Fill Words (such as energy prices). Optional: Country.
  3. Limit defaults to 10, max 20. Execute.

A search uses 1 credit only when it returns rows. No rows, wrong input, or an upstream failure uses 0.

Call the API

  • GET https://api.duaer.com/v1/data/eu-open-data?words=air%20quality&country=de
  • Authorization: Bearer <Duaer key>

The call skill below matches Copy skill in the Duaer data market, with parameters, examples, and result fields.

Call skill

Same text as Copy skill.

---
name: duaer-eu-open-data
description: >-
  Duaer EU open data. Find public datasets from EU institutions and national portals on data.europa.eu: title, publisher, country, file formats, and last update.
  One successful search uses 1 Duaer credit.
---

# Duaer EU open data

Duaer EU open data searches the data.europa.eu catalog of more than a million datasets. Titles come in English when the publisher provides a translation.

## When to use

- Find an official dataset on energy, transport, environment, or statistics in Europe.
- List what a country publishes on a topic before building a pipeline.

## When not to use

- Reading the rows of a dataset. Open the dataset link to download its files.
- Research data repositories. Use https://skills.duaer.com/zenodo.md or https://skills.duaer.com/re3data.md.

## Call

`GET https://api.duaer.com/v1/data/eu-open-data?words=air%20quality&country=de`

Header: `Authorization: Bearer <Duaer key>`

Use an account key or a model API key.

Get a Duaer key: https://skills.duaer.com/keys.md

## Parameters

Provide `words`.

- `words` — Words in the dataset, such as air quality.
- `country` — Optional. Two-letter code of the publishing country, such as de.
- `limit` — Optional. Rows to return, from 1 to 20. Default 10.

## Examples

- `GET https://api.duaer.com/v1/data/eu-open-data?words=air%20quality&country=de` — German air-quality datasets.
- `GET https://api.duaer.com/v1/data/eu-open-data?words=energy%20prices&limit=5` — energy price datasets across Europe.

## Result

The response is `{ "items": [...] }`. Each item has `source`, `title`, `url`, and `summary`, plus:

- `datasetId` — catalog id.
- `publisher`, `country` — who publishes it.
- `formats` — distribution formats, such as CSV or JSON.
- `modified` — last update date.
- `description` — short description.

Fields without a value are left out.

## Credits

A search that returns at least one row uses 1 credit.
An empty search, a search that finds nothing, or a failed search uses 0.
Wrong input returns 400 with a message and uses 0.
No remaining credits returns 402 and does not search.
A missing key returns 401.

## Related

- https://skills.duaer.com/world-bank.md — Duaer World Bank indicators
- https://skills.duaer.com/re3data.md

Questions

How many credits does a EU open data search use in Duaer?

One credit when Duaer returns rows. A search with no rows or an error uses 0.

Does Duaer EU open data return the data itself?

No. Duaer returns the dataset record with a link; download the files from that page.

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Search re3data in Duaer

In Duaer, search research data repositories in re3data. One successful search uses 1 credit.