create customer (4.8.0)

curl --location '/customer' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "address": {
        "customerid": "4711",
        "name1": "Hermann GmbH",
        "name2": "",
        "name3": "",
        "name4": "",
        "street": "Damm 50",
        "postalcode": 49439,
        "city": "Steinfeld",
        "po_box": null,
        "po_box_postalcode": null,
        "po_box_city": null,
        "website": "www.demandsoftware.de",
        "email": "info@demandsoftware.de",
        "fax": 5492123456,
        "country": "DEU",
        "language": "D",
        "sector": 4,
        "classification": 5492123456,
        "type_of_customer": null,
        "clerk": 7,
        "group": null,
        "currency": "EUR",
        "abc_indicator": "A"
    },
    "delivery": {
        "address": 1,
        "method": 0,
        "packaging": null,
        "condition": null,
        "zone": null,
        "shipping_point": null,
        "processing_time": null,
        "priority": null,
        "carrier": null,
        "regulator": null,
        "supplier_no": null,
        "delivery_block": null,
        "delivery_block_date": null,
        "delivery_mark": null,
        "consignment_storage_location": null,
        "auto_storno": 20,
        "partial_delivery": null
    },
    "billing": {
        "invoice_recipient": 4712,
        "billing_address": null,
        "terms_of_payment": 1,
        "number_of_payment_days": 1,
        "member_of": 4712,
        "in_association_with": 4712,
        "parent_company": 4712,
        "regulation": "N",
        "tax_number": null,
        "tax_id_number": null,
        "iban": null,
        "bic": null,
        "leitweg_id": null,
        "bonus_date": null,
        "credit_limit": null,
        "private_customer": "N",
        "bonus_plate": "N",
        "credit_limit_lock": 0
    },
    "terms": {
        "default_price_list": 1,
        "default_discount": 0,
        "pricing": "Y",
        "representative1": 1,
        "representative2": 2,
        "commission1": 3,
        "commission2": 0,
        "surcharge_discount1": 1,
        "surcharge_discount2": 1,
        "surcharge_discount3": 1,
        "surcharge_discount1_value": 1,
        "surcharge_discount2_value": 1,
        "surcharge_discount3_value": 1,
        "surcharge_discount1_total_order": 1,
        "surcharge_discount2_total_order": 1,
        "surcharge_discount3_total_order": 1,
        "surcharge_discount1_positions": 1,
        "surcharge_discount2_positions": 1,
        "surcharge_discount3_positions": 1
    }
}'