curl --request POST \
  --url 'https://api.flashcat.cloud/incident/ack?app_key=' \
  --header 'Content-Type: <content-type>' \
  --data '
{
  "incident_ids": [
    "<string>"
  ]
}
'

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