curl --request POST \
  --url https://{api_endpoint}/api/v1/integration/slack/app \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "channel": "<string>",
  "app_id": "<string>",
  "client_id": "<string>",
  "client_secret": "<string>",
  "signing_secret": "<string>",
  "created_on": "<string>",
  "updated_at": "<string>",
  "tenant_id": "<string>"
}
'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}