group-sources.md

Group sources

You can group sources with the group_by parameter:

• Get counts of sources by publisher:
  https://api.openalex.org/sources?group_by=publisher

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 %}

/sources group_by attributes

• apc_prices.currency
• apc_usd
• cited_by_count
• has_issn
• continent
• country_code
• host_organization (alias: host_organization.id)
• host_organization_lineage (alias: host_organization.id)
• is_global_south
• is_in_doaj
• is_oa
• issn
• publisher
• summary_stats.2yr_mean_citedness
• summary_stats.h_index
• summary_stats.i10_index
• type
• works_count