Group topics

You can group topics with the group_by parameter:

• Get counts of topics by domain: https://api.openalex.org/topics?group_by=domain.id

Or you can group using one the attributes below.

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.

Topics group_by attributes

• cited_by_count

• domain.id

• field.id

• subfield.id

• works_count