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Get a single publisher

It's easy to get a publisher from from the API with: /publishers/<entity_id>. Here's an example:
That will return a Publisher object, describing everything OpenAlex knows about the publisher with that ID:
"id": "",
"display_name": "Springer Nature",
"alternate_titles": [
"Springer Nature Group",
"hierarchy_level": 0,
// other fields removed for brevity
You can make up to 50 of these queries at once by requesting a list of entities and filtering on IDs using OR syntax.

External IDs

You can look up publishers using external IDs such as a Wikidata ID:
Available external IDs for publishers are:
External ID

Select fields

You can use select to limit the fields that are returned in a publisher object. More details are here.