The Crossref Curriculum

Query service accounts

Some of our query interfaces require registration so that we may monitor individual usage. These interfaces are free for non-commercial use. These interfaces are:

Members, libraries, and other metadata users may use these interfaces with their previously supplied system account username and password. If you do not have a Crossref username and password, you may register for an account. For interfaces that require a key (or pid), your username (email address) is your key. Note that pid is not the same as PID (persistent identifier, such as a DOI or an ORCID iD).

If you are a librarian and you need an OpenURL account for link resolver services, please contact us.

Last Updated: 2020 April 8 by Laura J. Wilkinson