December 28, 2018
AccessGUDID V2 APIs Promoted From Beta to Production
Version 2 (V2) APIs will be promoted from beta to production status on January 1, 2019. If you are using our V1 APIs, we encourage you to update your code to use the V2 APIs. After December 31, 2019, the V1 APIs will be deprecated and no longer available for use. If you have questions about the migration to V2, please contact us via the NLM Support Center.