The Crossref Curriculum

Content negotiation

Content negotiation means the ability to specify the format in which a record will be returned.

Crossref and DataCite support content-negotiated DOIs via and Learn more about content negotiation.

Examples using cURL

curl -D - -L -H "Accept: application/rdf+xml" ""

curl -D - -L -H "Accept: text/turtle" ""

curl -D - -L -H "Accept: application/atom+xml" ""

The Crossref-specific ‘unixref’ format can be used as well:

curl -D - -L -H "Accept: application/unixref+xml" ""

Last Updated: 2020 April 8 by Laura J. Wilkinson