Can I see more detailed affiliation information in the REST API?

DataCite added support for affiliation identifiers in Metadata Schema 4.3, released August 2019. This information is not visible in the JSON REST API to avoid breaking changes that could cause problems with existing API integrations. Please add the URL parameter &affiliation=true to your REST API requests to see additional affiliation information such as the affiliation identifier.

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Why don't I see affiliations even when I've added affiliation=true?

Affiliation information is only available if it was included in the metadata for a given DOI by the organization that registered the DOI. For DOIs that do not include affiliation information in the metadata, adding affiliation=true will not change the API response.

Examples

$ curl https://api.test.datacite.org/dois?query=climate%20change&affiliation=true

$ curl https://api.test.datacite.org/dois/10.24427/8gt9-nk59?affiliation=true