curl --request POST \
  --url 'https://api.flashcat.cloud/incident/responder/add?app_key=' \
  --header 'Content-Type: <content-type>' \
  --data '
{
  "incident_id": "<string>",
  "person_ids": [
    123
  ],
  "notify": {
    "personal_channels": [
      "email"
    ],
    "follow_preference": true,
    "template_id": "<string>"
  }
}
'

{
  "error": {
    "code": "<string>",
    "message": "<string>"
  }
}