curl --request POST \
  --url https://app.uplifthub.io/P195_Exposed_Integrations/rest/V1/CampaignDocument \
  --header 'Content-Type: application/json' \
  --header 'X-apikey: <api-key>' \
  --data '
{
  "CampaignId": 1234567891234567,
  "Name": "",
  "DocumentTypeId": 1234567891234567,
  "FileURL": ""
}
'

{
  "Success": false,
  "Message": "",
  "Id": 1234567891234567,
  "ExternalId": ""
}