curl --request POST \
  --url https://api.quiva.ai/accounts/submit-contact-form \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "to_email": "[email protected]",
  "subject": "Billing question",
  "location": "Account settings",
  "message": "I have a question about my billing cycle.",
  "phone_number": "+1234567890",
  "preferred_contact_method": "email"
}
'

{
  "message": "<string>"
}