curl --request POST \
  --url https://demo.onlinebillingform.com/api/v2/customer/create \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "address_1": "<string>",
  "city": "<string>",
  "county_id": 123,
  "country_id": 123,
  "postal_code": "<string>",
  "phone": "<string>",
  "username": "jsmith@example.com",
  "password": "<string>",
  "address_2": "<string>",
  "fax": "<string>",
  "website": "<string>",
  "credit": 123,
  "business_name": "<string>",
  "comment": "<string>"
}
'

{
  "success": true
}