curl --request GET \
  --url https://api.paywise.de/partner/v1/users/{id}/ \
  --header 'Authorization: Bearer <token>'

{
  "href": "https://api.paywise.de/partner/v1/users/ab5fc850-7bb3-4c33-9741-d1305dfa41d9/",
  "id": "ab5fc850-7bb3-4c33-9741-d1305dfa41d9",
  "email": "[email protected]",
  "first_name": "Max",
  "last_name": "Mustermann",
  "company": "6196ba03-83f2-46ea-83e1-a087bd0c5acc",
  "email_verified": true,
  "notification_channels": [
    {
      "channel_type": "EMAIL",
      "value": "[email protected]",
      "notification_types": [
        "REQUESTS_TO_CLIENT",
        "STATUS_UPDATE",
        "STATEMENTS"
      ]
    }
  ]
}