curl --request POST \
  --url https://api.example.com/api/v1/contacts/sync \
  --header 'Content-Type: application/json' \
  --data '
{
  "whatsapp_account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'

{
  "success": true,
  "message": "<string>",
  "job_id": "<string>",
  "status": "pending"
}