We are trying to automatically delete accounts. However, when we try to call the Delete an Organization Member endpoint with the following scopes:

the request returns this response:

It seems, that you are currently using an organization auth token. This specific endpoint is one that needs a token that is associated with your account instead.

To create one, click on the Organization name at the top left of your page -> User auth tokens (right below User Settings) -> Create New Token -> give the token member:admin permissions. Using this new token should allow you to delete organization members using this endpoint.