curl --request POST \
  --url https://api.example.com/api/DocumentGeneration/fcv \
  --header 'Content-Type: application/json' \
  --data '
{
  "templateId": 123,
  "resumeTypeId": 0,
  "jobId": 123,
  "candidateId": 123,
  "applicationId": 123,
  "placeholders": [
    {
      "placeholder": "<string>",
      "value": "<string>"
    }
  ]
}
'

{
  "documentId": 123,
  "documentName": "<string>"
}