Today i needed to assign security role to team and user using rest api through postman: Below is the sample request:- Assign role to team Method : Post Url: https://yourceinstancename.api.crm9.dynamics.com/api/data/v9.1/teams(teamguid)/teamroles_association/$ref Body: {"@odata.id":"https://yourceinstancename.api.crm9.dynamics.com/api/data/v9.1/roles(roleguid)"} 2. Assign role to user Method : Post Url: https://yourceinstancename.api.crm9.dynamics.com/api/data/v9.1/systemusers(systemuserguid)/systemuserroles_association/$ref Body: {"@odata.id":"https://yourceinstancename.api.crm9.dynamics.com/api/data/v9.1/roles(roleguid)"} Just replace yourceinstancename, teamguid , systemuserguid , roleguid as per your... Continue Reading →