DELETE https://dev-api.bentley.com/accesscontrol/itwins/{id}/members/invitations/{invitationId}
Delete the specified iTwin member invitation.
Authorization
The calling user must be a member of the iTwin. Organization Administrator can also retrieve iTwin member invitations for any iTwin in their Organization.
An Organization Administrator must have at least one of the following roles assigned in User Management: Account Administrator, Co-Administrator, or CONNECT Services Administrator. For more information about User Management please visit our Bentley Communities Licensing, Cloud, and Web Services wiki page.