post
const timestamp = String(Date.now() / 1000).padEnd(17, '0');
const username = "username";
const signature = CryptoJS.HmacSHA256(
  `${username}@${timestamp}`, "sharedsecret"
  ).toString(CryptoJS.digest)

const response = await fetch('https://ws.xport.glopalservice.com/ops/prealert', {
  method: 'POST',
  headers: {
    "Content-Type": "application/json",
    "x-login": username,
    "x-timestamp": timestamp,
    "x-signature": signature
  },
  body: JSON.stringify({
    "order": {
      "reference": "test123",
      "transaction_id": "642edad40de2f361ba4d1684aaf3c53a0afc687b",
      "addressee": {
        "name": "Test Testington",
        "user_reference": "testref",
        "address1": "Test street 1",
        "postcode": "90210",
        "state": "CA",
        "city": "Beverly Hills",
        "country": "US"
      }
    }
  }),
});
const data = await response.json();
{
  "error": 0,
  "parcel": [
    {
      "shipin_id": 123456,
      "shipment_number": 1,
      "inboundawb": "AWB1234567890_23",
      "delivery_address": {
        "name": "Test Testington",
        "user_reference": "testref",
        "address1": "Test street 1",
        "address2": "Second floor",
        "address3": "Room 37",
        "postcode": "90210",
        "state": "CA",
        "city": "Beverly Hills",
        "country": "US",
        "service_point_reference": "SDF_hub_rr1234",
        "company": "Test company",
        "vat_number": "T12344434",
        "email": "test@test.com",
        "phone": "12345678919"
      },
      "transport": {
        "carrier": "DHL",
        "service": "DHL Express"
      }
    }
  ]
}
post
const timestamp = String(Date.now() / 1000).padEnd(17, '0');
const username = "username";
const signature = CryptoJS.HmacSHA256(
  `${username}@${timestamp}`, "sharedsecret"
  ).toString(CryptoJS.digest)

const response = await fetch('https://ws.xport.glopalservice.com/ops/create_order', {
  method: 'POST',
  headers: {
    "Content-Type": "application/json",
    "x-login": username,
    "x-timestamp": timestamp,
    "x-signature": signature
  },
  body: JSON.stringify({
    "args": {
      "from_country_id": "FR",
      "to_country_id": "US",
      "to_state_id": "CA",
      "to_post_code": "90210",
      "shipments": [
        {
          "currency": "USD",
          "weight": 12.34,
          "height": 23.45,
          "width": 34.56,
          "length": 13.57,
          "products": [
            {
              "hs_code": "330310",
              "quantity": 1,
              "unitprice": 234.56,
              "merchant_sku": "1234567890",
              "description": "Pink summer dress",
            }
          ]
        }
      ],
      "reference": "test123",
      "addressee": {
        "name": "Test Testington",
        "user_reference": "testref",
        "address1": "Test street 1",
        "address2": "Second floor",
        "address3": "Room 37",
        "postcode": "90210",
        "state": "CA",
        "city": "Beverly Hills",
        "country": "US",
        "service_point_reference": "SDF_hub_rr1234",
        "company": "Test company",
        "vat_number": "T12344434",
        "email": "test@test.com",
        "phone": "12345678919"
      }
    },
    "wants": {
      "currency": "USD",
      "transaction_id": 1
    }
  }),
});
const data = await response.json();
{
  "error": 0,
  "parcel": [
    {
      "shipin_id": 123456,
      "shipment_number": 1,
      "inboundawb": "AWB1234567890_23",
      "delivery_address": {
        "name": "Test Testington",
        "user_reference": "testref",
        "address1": "Test street 1",
        "address2": "Second floor",
        "address3": "Room 37",
        "postcode": "90210",
        "state": "CA",
        "city": "Beverly Hills",
        "country": "US",
        "service_point_reference": "SDF_hub_rr1234",
        "company": "Test company",
        "vat_number": "T12344434",
        "email": "test@test.com",
        "phone": "12345678919"
      },
      "transport": {
        "carrier": "DHL",
        "service": "DHL Express"
      }
    }
  ],
  "result": {
    "from_country_id": "FR",
    "to_country_id": "US",
    "to_state_id": "CA",
    "to_post_code": "90210",
    "delivery_type_id": "X",
    "transaction_id": "642edad40de2f361ba4d1684aaf3c53a0afc687b",
    "dutiable_value": 84.75,
    "dutiable_value_discount": 10,
    "dutiable_value_discount_tax": 1.2,
    "dutiable_value_discount_duty": 1.23,
    "dutiable_value_discount_net": 8.02,
    "dutiable_value_tax_included": 100,
    "dutiable_value_tax_charge": 4.23,
    "duty_charge": 15.25,
    "duty_charge_included": 12.12,
    "duty_charge_tax": 2.23,
    "currency": "USD",
    "dead_weight": 12.34,
    "vol_weight": 15.22,
    "weight": 15.22,
    "weight_unit": "kg",
    "duty_calculation_rule": "CIF",
    "tax_calculation_rule": "CIF",
    "is_duty_deminimis_applied": 0,
    "is_tax_deminimis_applied": 0,
    "commission_fee": 0.12,
    "incoterms": "DDP",
    "reference": "test123",
    "tax_charge": 15.25,
    "tax_charges": [
      {
        "name": "Charge",
        "code": "charge_id",
        "rate": 9.975,
        "type": "dutiable_value",
        "base": 121.5,
        "value": 12.12
      }
    ],
    "tax_charge_included": 12.12,
    "product_tax_charge": 10.03,
    "calculus_shipping_charge": 15.33,
    "shipping_charge": 13.33,
    "shipping_charge_duty": 3.33,
    "shipping_charge_tax": 2.33,
    "shipping_charge_tax_included": 2.33,
    "shipping_charge_duty_tax": 0.33,
    "merchant_shipping_charge": {
      "currency": "USD",
      "value": 5
    },
    "discount": 10,
    "discounts": [
      {
        "name": "Charge",
        "code": "charge_id",
        "rate": 9.975,
        "type": "dutiable_value",
        "base": 121.5,
        "value": 12.12
      }
    ],
    "extra_charge": 33.23,
    "extra_charges": [
      {
        "name": "Charge",
        "code": "charge_id",
        "rate": 9.975,
        "type": "dutiable_value",
        "base": 121.5,
        "value": 12.12
      }
    ],
    "total_charge": 150.23,
    "transport": {
      "carrier": "DHL",
      "service": "DHL Express"
    },
    "products": [
      {
        "calculus_duty_charge": 5.33,
        "calculus_tax_charge": 3.49,
        "documentation_code": "CITES_2000_a",
        "dutiable_value": 84.75,
        "dutiable_value_tax_charge": 4.23,
        "dutiable_value_tax_included": 100,
        "duty_charge": 15.25,
        "duty_charges": [
          {
            "name": "Charge",
            "code": "charge_id",
            "rate": 9.975,
            "type": "dutiable_value",
            "base": 121.5,
            "value": 12.12
          }
        ],
        "duty_charge_included": 12.12,
        "duty_charge_tax": 2.23,
        "duty_deminimis": 125,
        "duty_rate": 8.25,
        "gtin": "1234567890",
        "hs_code": "330310",
        "merchant_sku": "1234567890",
        "alt_merchant_sku": "AMS1234567890",
        "preference_applied": 0,
        "preference_source": "Free trade agreement",
        "product_dutiable_value_discount": 10,
        "product_dutiable_value_discount_tax": 1.2,
        "product_dutiable_value_discount_duty": 1.23,
        "product_dutiable_value_discount_net": 8.02,
        "product_shipping_charge_duty": 3.33,
        "product_shipping_charge_tax": 2.33,
        "product_shipping_charge_duty_tax": 0.33,
        "prohibition_id": "W12",
        "prohibition_note": "Warning for product type importing to destination country",
        "quantity": 1,
        "shipment_id": 123456,
        "tax_charge": 15.25,
        "tax_charges": [
          {
            "name": "Charge",
            "code": "charge_id",
            "rate": 9.975,
            "type": "dutiable_value",
            "base": 121.5,
            "value": 12.12
          }
        ],
        "tax_charge_included": 12.12,
        "tax_deminimis": 25,
        "tax_rate": 20.25
      }
    ]
  }
}