Release 5.1 of the COUNTER Code of Practice is now live

Release 5.1 (published May 2023) will become the current Code of Practice and the requirement for COUNTER compliance effective from January 2025.

The version of record can be read online and downloaded in PDF format at cop5.projectcounter.org/en/5.1.

The COUNTER_SUSHI API specification and the associated JSON schema for Release 5.1 are available from countermetrics.stoplight.io/docs/counter-sushi-api.

Release 5.1 is accompanied by a new suite of Friendly Guides, video classes and one-page introductions, which can be found on the COUNTER Media Library.