Customer

{
  "category": "SMB",
  "customer_owner": 20,
  "invoice_recipient": null,
  "external_customer_id": "extid-4321",
  "comment": "any comment can go here, but no more than 255 characters",
  "name": "A SMB customer",
  "company_number": "123456789",
  "ean/gln_number": "87654321",
  "department_number": "54321678911",
  "address": {
    "country": "NO",
    "postcode": "0579",
    "city": "OSLO",
    "street_name": "GAMLE SLEVIKVEI",
    "house_number": 1,
    "house_letter": null
  },
  "telephone": "48997474",
  "email": "test@test.no",
  "hide_free_rows_on_invoice": 0,
  "origin_system": "YOURSYSTEM",
  "default_currency": "NOK",
  "key_account_manager": {
    "name": "A Key account manager",
    "email": "akeyaccountmanager@donotemail.com",
    "telephone": "+4712345678",
    "id": null
  },
  "default_contact": {
    "name": "A default Contact",
    "email": "adefaultcontact@donotemail.com",
    "telephone": "+4712345678",
    "id": null
  }
}