curl -L -X GET "https://api.box.com/2.0/integration_mappings/teams" \
     -H "authorization: Bearer <ACCESS_TOKEN>"

{
  "entries": [
    {
      "id": "12345",
      "type": "integration_mapping",
      "partner_item": {
        "id": "19%3ABCD-Avgfggkggyftdtfgghjhkhkhh%40thread:tacv2",
        "type": "channel",
        "tenant_id": "E1234567"
      },
      "box_item": {
        "type": "folder",
        "id": "42037322"
      },
      "integration_type": "teams",
      "is_overridden_by_manual_mapping": true,
      "created_at": "2012-12-12T10:53:43-08:00",
      "modified_at": "2012-12-12T10:53:43-08:00"
    }
  ]
}