microsoft Graph API for creating online meeting giving error "UnknownError" response 404

Question

I am trying to create Online Meeting using Microsoft graph API with reference to this document. I am getting a response of 404 from the request.

My API: https://graph.microsoft.com/v1.0/users/vrund@microsoft.com/onlineMeetings/

This is my request in python which giving this error.

self.headers = {
                "Content-Type": "application/json",
                'Authorization': 'Bearer {}'.format(self.token)
            }

response = requests.request("POST", url=API, data=body_json, headers=self.headers)

<Response [404]>

{
  "error": {
    "code": "UnknownError",
    "message": "",
    "innerError": {
      "date": "2021-04-20T10:19:06",
      "request-id": "a82b1c87-7d3c-4006-8605-4f285068fb57",
      "client-request-id": "a82b1c87-7d3c-4006-8605-4f285068fb57"
    }
  }
}

error screenshot

Answer 1

POST /users/{userId}/onlineMeetings

userId is the object ID of a user. You can't use the userPrincipalName here.

See reference here.

Please note that if you are using Application token (Application permission), don't forget to create an application access policy.

If userPrincipalName is supported in an endpoint, the document generally states it like this: