Change access level of a user at the organizational level programmatically - Azure DevOps Services

We are trying to change the access level of users at the organization level say for example from stakeholder to basic in Azure DevOps Services programmatically - via REST API/Powershell/ARM. Could you please direct me to some documentation or any sources which can help us through.

Solution

You can do this via the Azure DevOps REST API via the User Entitlement Endpoint.

https://learn.microsoft.com/en-us/rest/api/azure/devops/memberentitlementmanagement/user%20entitlements/update%20user%20entitlement?view=azure-devops-rest-5.0

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