curl --request GET \
  --url https://api-dev.narrative.io/datasets/{dataset_id}/interfaces \
  --header 'Authorization: Bearer <token>'

{
  "dataset_id": 18923,
  "accepted": [
    {
      "app_id": 42,
      "interface_id": "audience_export"
    }
  ],
  "errors": [
    {
      "app_id": 99,
      "interface_id": "people_match",
      "details": {
        "valid": false,
        "errors": [
          {
            "instanceLocation": "$.properties",
            "error": "required property 'email' missing"
          }
        ]
      }
    }
  ]
}