{% hint style="warning" %} These are the original OpenAlex Concepts, which are being deprecated in favor of Topics. We will continue to provide these Concepts for Works, but we will not be actively maintaining, updating, or providing support for these concepts. Unless you have a good reason to be relying on them, we encourage you to look into Topics instead. {% endhint %}
You can group concepts with the group_by parameter:
- Get counts of concepts by
level:
https://api.openalex.org/concepts?group_by=level
Or you can group using one the attributes below.
{% hint style="info" %} It's best to read about group by before trying these out. It will show you how results are formatted, the number of results returned, and how to sort results. {% endhint %}