curl --request POST \
  --url https://merchant-url.com/api/order_shipping_and_tax \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "event": "order.shipping_and_tax",
  "data": {
    "shipping_address": {
      "id": "addres-1",
      "street_address1": "42 Wallaby Way",
      "street_address2": "42 Wallaby Way",
      "street_address3": "42 Wallaby Way",
      "street_address4": "42 Wallaby Way",
      "locality": "Wayne County",
      "region": "Quebec",
      "postal_code": "11209",
      "country_code": "US",
      "country": "Canada",
      "name": "Charlotte Charles",
      "first_name": "Charlotte",
      "last_name": "Charles",
      "company": "ACME Corp.",
      "phone": "867-5309",
      "email": "my.email@gmail.com"
    },
    "cart": {
      "items": [
        {
          "reference": "1123",
          "name": "Blue Hat",
          "total_amount": 9900,
          "unit_price": 500,
          "quantity": 3,
          "description": " Large blue satin hat with initials embroidered.",
          "options": "string option",
          "uom": "string",
          "upc": "string",
          "sku": "SKU-11021",
          "isbn": "12-345-678-90123",
          "brand": "Bolt Swagstore",
          "manufacturer": "Bolt Factory",
          "category": "hats",
          "collections": [
            "summer"
          ],
          "tags": "red",
          "color": "Red",
          "size": "XXL",
          "weight": {
            "weight": 22,
            "unit": "kg"
          },
          "image_url": "https://boltswagstore.com/inventory/hats/red-hat.png",
          "details_url": "https://boltswagstore.com/inventory/hats/red-hat.png",
          "type": "physical",
          "taxable": true,
          "properties": [
            {
              "name": "a-name",
              "value": "a-value"
            }
          ],
          "item_group": "Ships Immediately",
          "customizations": [
            {
              "name": "Bedazzled",
              "price": {
                "amount": 754,
                "currency": "USD",
                "currency_symbol": "$"
              },
              "attributes": {
                "key1": "value1",
                "key2": "value2"
              }
            }
          ],
          "bolt_product_id": "e2bb0e7e-5625-536f-8ad7-25a26537ee28"
        }
      ],
      "currency": "USD",
      "total_amount": 9900,
      "display_id": "ID-12345",
      "order_reference": "order-12345",
      "metadata": {
        "key1": "value1",
        "key2": "value2"
      }
    },
    "request_source": "checkout",
    "shipping_option": {
      "service": "Option 1",
      "description": "The <span id=\"1\">most</span> popular choice",
      "cost": 770,
      "tax_amount": 230,
      "reference": "1123",
      "signature": "a1B2s3dC4f5g5D6hj6E7k8F9l0",
      "estimated_delivery_date": "08-30-2022",
      "tax_code": "tax-12345",
      "discount_by_membership": false,
      "default": true,
      "description_tooltips": [
        {
          "target": 1,
          "html_content": "Timeline may vary depending on <b>location</b>."
        }
      ]
    },
    "pickup_option": {
      "reference": "1123",
      "signature": "a1B2s3dC4f5g5D6hj6E7k8F9l0",
      "cost": 770,
      "tax_amount": 230,
      "store_name": "Bolt Swag Store #47",
      "pickup_window_open": 1578904185,
      "pickup_window_close": 1578904185,
      "address": {
        "street_address1": "42 Wallaby Way",
        "street_address2": "42 Wallaby Way",
        "street_address3": "42 Wallaby Way",
        "street_address4": "42 Wallaby Way",
        "locality": "Wayne County",
        "region": "Quebec",
        "postal_code": "11209",
        "country_code": "US",
        "country": "Canada"
      },
      "distance": 2,
      "distance_unit": "miles"
    },
    "ship_to_store_option": {
      "service": "Option 1",
      "reference": "1123",
      "signature": "1123",
      "cost": 770,
      "tax_amount": 230,
      "store_name": "Bolt Swag Store #47",
      "address": {
        "id": "addres-1",
        "street_address1": "42 Wallaby Way",
        "street_address2": "42 Wallaby Way",
        "street_address3": "42 Wallaby Way",
        "street_address4": "42 Wallaby Way",
        "locality": "Wayne County",
        "region": "Quebec",
        "postal_code": "11209",
        "country_code": "US",
        "country": "Canada",
        "name": "Charlotte Charles",
        "first_name": "Charlotte",
        "last_name": "Charles",
        "company": "ACME Corp.",
        "phone": "867-5309",
        "email": "my.email@gmail.com"
      },
      "distance": 2,
      "distance_unit": "miles"
    },
    "metadata": {
      "key1": "value1",
      "key2": "value2"
    }
  }
}
'

import requests

url = "https://merchant-url.com/api/order_shipping_and_tax"

payload = {
    "event": "order.shipping_and_tax",
    "data": {
        "shipping_address": {
            "id": "addres-1",
            "street_address1": "42 Wallaby Way",
            "street_address2": "42 Wallaby Way",
            "street_address3": "42 Wallaby Way",
            "street_address4": "42 Wallaby Way",
            "locality": "Wayne County",
            "region": "Quebec",
            "postal_code": "11209",
            "country_code": "US",
            "country": "Canada",
            "name": "Charlotte Charles",
            "first_name": "Charlotte",
            "last_name": "Charles",
            "company": "ACME Corp.",
            "phone": "867-5309",
            "email": "my.email@gmail.com"
        },
        "cart": {
            "items": [
                {
                    "reference": "1123",
                    "name": "Blue Hat",
                    "total_amount": 9900,
                    "unit_price": 500,
                    "quantity": 3,
                    "description": " Large blue satin hat with initials embroidered.",
                    "options": "string option",
                    "uom": "string",
                    "upc": "string",
                    "sku": "SKU-11021",
                    "isbn": "12-345-678-90123",
                    "brand": "Bolt Swagstore",
                    "manufacturer": "Bolt Factory",
                    "category": "hats",
                    "collections": ["summer"],
                    "tags": "red",
                    "color": "Red",
                    "size": "XXL",
                    "weight": {
                        "weight": 22,
                        "unit": "kg"
                    },
                    "image_url": "https://boltswagstore.com/inventory/hats/red-hat.png",
                    "details_url": "https://boltswagstore.com/inventory/hats/red-hat.png",
                    "type": "physical",
                    "taxable": True,
                    "properties": [
                        {
                            "name": "a-name",
                            "value": "a-value"
                        }
                    ],
                    "item_group": "Ships Immediately",
                    "customizations": [
                        {
                            "name": "Bedazzled",
                            "price": {
                                "amount": 754,
                                "currency": "USD",
                                "currency_symbol": "$"
                            },
                            "attributes": {
                                "key1": "value1",
                                "key2": "value2"
                            }
                        }
                    ],
                    "bolt_product_id": "e2bb0e7e-5625-536f-8ad7-25a26537ee28"
                }
            ],
            "currency": "USD",
            "total_amount": 9900,
            "display_id": "ID-12345",
            "order_reference": "order-12345",
            "metadata": {
                "key1": "value1",
                "key2": "value2"
            }
        },
        "request_source": "checkout",
        "shipping_option": {
            "service": "Option 1",
            "description": "The <span id=\"1\">most</span> popular choice",
            "cost": 770,
            "tax_amount": 230,
            "reference": "1123",
            "signature": "a1B2s3dC4f5g5D6hj6E7k8F9l0",
            "estimated_delivery_date": "08-30-2022",
            "tax_code": "tax-12345",
            "discount_by_membership": False,
            "default": True,
            "description_tooltips": [
                {
                    "target": 1,
                    "html_content": "Timeline may vary depending on <b>location</b>."
                }
            ]
        },
        "pickup_option": {
            "reference": "1123",
            "signature": "a1B2s3dC4f5g5D6hj6E7k8F9l0",
            "cost": 770,
            "tax_amount": 230,
            "store_name": "Bolt Swag Store #47",
            "pickup_window_open": 1578904185,
            "pickup_window_close": 1578904185,
            "address": {
                "street_address1": "42 Wallaby Way",
                "street_address2": "42 Wallaby Way",
                "street_address3": "42 Wallaby Way",
                "street_address4": "42 Wallaby Way",
                "locality": "Wayne County",
                "region": "Quebec",
                "postal_code": "11209",
                "country_code": "US",
                "country": "Canada"
            },
            "distance": 2,
            "distance_unit": "miles"
        },
        "ship_to_store_option": {
            "service": "Option 1",
            "reference": "1123",
            "signature": "1123",
            "cost": 770,
            "tax_amount": 230,
            "store_name": "Bolt Swag Store #47",
            "address": {
                "id": "addres-1",
                "street_address1": "42 Wallaby Way",
                "street_address2": "42 Wallaby Way",
                "street_address3": "42 Wallaby Way",
                "street_address4": "42 Wallaby Way",
                "locality": "Wayne County",
                "region": "Quebec",
                "postal_code": "11209",
                "country_code": "US",
                "country": "Canada",
                "name": "Charlotte Charles",
                "first_name": "Charlotte",
                "last_name": "Charles",
                "company": "ACME Corp.",
                "phone": "867-5309",
                "email": "my.email@gmail.com"
            },
            "distance": 2,
            "distance_unit": "miles"
        },
        "metadata": {
            "key1": "value1",
            "key2": "value2"
        }
    }
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    event: 'order.shipping_and_tax',
    data: {
      shipping_address: {
        id: 'addres-1',
        street_address1: '42 Wallaby Way',
        street_address2: '42 Wallaby Way',
        street_address3: '42 Wallaby Way',
        street_address4: '42 Wallaby Way',
        locality: 'Wayne County',
        region: 'Quebec',
        postal_code: '11209',
        country_code: 'US',
        country: 'Canada',
        name: 'Charlotte Charles',
        first_name: 'Charlotte',
        last_name: 'Charles',
        company: 'ACME Corp.',
        phone: '867-5309',
        email: 'my.email@gmail.com'
      },
      cart: {
        items: [
          {
            reference: '1123',
            name: 'Blue Hat',
            total_amount: 9900,
            unit_price: 500,
            quantity: 3,
            description: ' Large blue satin hat with initials embroidered.',
            options: 'string option',
            uom: 'string',
            upc: 'string',
            sku: 'SKU-11021',
            isbn: '12-345-678-90123',
            brand: 'Bolt Swagstore',
            manufacturer: 'Bolt Factory',
            category: 'hats',
            collections: ['summer'],
            tags: 'red',
            color: 'Red',
            size: 'XXL',
            weight: {weight: 22, unit: 'kg'},
            image_url: 'https://boltswagstore.com/inventory/hats/red-hat.png',
            details_url: 'https://boltswagstore.com/inventory/hats/red-hat.png',
            type: 'physical',
            taxable: true,
            properties: [{name: 'a-name', value: 'a-value'}],
            item_group: 'Ships Immediately',
            customizations: [
              {
                name: 'Bedazzled',
                price: {amount: 754, currency: 'USD', currency_symbol: '$'},
                attributes: {key1: 'value1', key2: 'value2'}
              }
            ],
            bolt_product_id: 'e2bb0e7e-5625-536f-8ad7-25a26537ee28'
          }
        ],
        currency: 'USD',
        total_amount: 9900,
        display_id: 'ID-12345',
        order_reference: 'order-12345',
        metadata: {key1: 'value1', key2: 'value2'}
      },
      request_source: 'checkout',
      shipping_option: {
        service: 'Option 1',
        description: 'The <span id="1">most</span> popular choice',
        cost: 770,
        tax_amount: 230,
        reference: '1123',
        signature: 'a1B2s3dC4f5g5D6hj6E7k8F9l0',
        estimated_delivery_date: '08-30-2022',
        tax_code: 'tax-12345',
        discount_by_membership: false,
        default: true,
        description_tooltips: [{target: 1, html_content: 'Timeline may vary depending on <b>location</b>.'}]
      },
      pickup_option: {
        reference: '1123',
        signature: 'a1B2s3dC4f5g5D6hj6E7k8F9l0',
        cost: 770,
        tax_amount: 230,
        store_name: 'Bolt Swag Store #47',
        pickup_window_open: 1578904185,
        pickup_window_close: 1578904185,
        address: {
          street_address1: '42 Wallaby Way',
          street_address2: '42 Wallaby Way',
          street_address3: '42 Wallaby Way',
          street_address4: '42 Wallaby Way',
          locality: 'Wayne County',
          region: 'Quebec',
          postal_code: '11209',
          country_code: 'US',
          country: 'Canada'
        },
        distance: 2,
        distance_unit: 'miles'
      },
      ship_to_store_option: {
        service: 'Option 1',
        reference: '1123',
        signature: '1123',
        cost: 770,
        tax_amount: 230,
        store_name: 'Bolt Swag Store #47',
        address: {
          id: 'addres-1',
          street_address1: '42 Wallaby Way',
          street_address2: '42 Wallaby Way',
          street_address3: '42 Wallaby Way',
          street_address4: '42 Wallaby Way',
          locality: 'Wayne County',
          region: 'Quebec',
          postal_code: '11209',
          country_code: 'US',
          country: 'Canada',
          name: 'Charlotte Charles',
          first_name: 'Charlotte',
          last_name: 'Charles',
          company: 'ACME Corp.',
          phone: '867-5309',
          email: 'my.email@gmail.com'
        },
        distance: 2,
        distance_unit: 'miles'
      },
      metadata: {key1: 'value1', key2: 'value2'}
    }
  })
};

fetch('https://merchant-url.com/api/order_shipping_and_tax', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://merchant-url.com/api/order_shipping_and_tax",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'event' => 'order.shipping_and_tax',
    'data' => [
        'shipping_address' => [
                'id' => 'addres-1',
                'street_address1' => '42 Wallaby Way',
                'street_address2' => '42 Wallaby Way',
                'street_address3' => '42 Wallaby Way',
                'street_address4' => '42 Wallaby Way',
                'locality' => 'Wayne County',
                'region' => 'Quebec',
                'postal_code' => '11209',
                'country_code' => 'US',
                'country' => 'Canada',
                'name' => 'Charlotte Charles',
                'first_name' => 'Charlotte',
                'last_name' => 'Charles',
                'company' => 'ACME Corp.',
                'phone' => '867-5309',
                'email' => 'my.email@gmail.com'
        ],
        'cart' => [
                'items' => [
                                [
                                                                'reference' => '1123',
                                                                'name' => 'Blue Hat',
                                                                'total_amount' => 9900,
                                                                'unit_price' => 500,
                                                                'quantity' => 3,
                                                                'description' => ' Large blue satin hat with initials embroidered.',
                                                                'options' => 'string option',
                                                                'uom' => 'string',
                                                                'upc' => 'string',
                                                                'sku' => 'SKU-11021',
                                                                'isbn' => '12-345-678-90123',
                                                                'brand' => 'Bolt Swagstore',
                                                                'manufacturer' => 'Bolt Factory',
                                                                'category' => 'hats',
                                                                'collections' => [
                                                                                                                                'summer'
                                                                ],
                                                                'tags' => 'red',
                                                                'color' => 'Red',
                                                                'size' => 'XXL',
                                                                'weight' => [
                                                                                                                                'weight' => 22,
                                                                                                                                'unit' => 'kg'
                                                                ],
                                                                'image_url' => 'https://boltswagstore.com/inventory/hats/red-hat.png',
                                                                'details_url' => 'https://boltswagstore.com/inventory/hats/red-hat.png',
                                                                'type' => 'physical',
                                                                'taxable' => true,
                                                                'properties' => [
                                                                                                                                [
                                                                                                                                                                                                                                                                'name' => 'a-name',
                                                                                                                                                                                                                                                                'value' => 'a-value'
                                                                                                                                ]
                                                                ],
                                                                'item_group' => 'Ships Immediately',
                                                                'customizations' => [
                                                                                                                                [
                                                                                                                                                                                                                                                                'name' => 'Bedazzled',
                                                                                                                                                                                                                                                                'price' => [
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                'amount' => 754,
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                'currency' => 'USD',
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                'currency_symbol' => '$'
                                                                                                                                                                                                                                                                ],
                                                                                                                                                                                                                                                                'attributes' => [
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                'key1' => 'value1',
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                'key2' => 'value2'
                                                                                                                                                                                                                                                                ]
                                                                                                                                ]
                                                                ],
                                                                'bolt_product_id' => 'e2bb0e7e-5625-536f-8ad7-25a26537ee28'
                                ]
                ],
                'currency' => 'USD',
                'total_amount' => 9900,
                'display_id' => 'ID-12345',
                'order_reference' => 'order-12345',
                'metadata' => [
                                'key1' => 'value1',
                                'key2' => 'value2'
                ]
        ],
        'request_source' => 'checkout',
        'shipping_option' => [
                'service' => 'Option 1',
                'description' => 'The <span id="1">most</span> popular choice',
                'cost' => 770,
                'tax_amount' => 230,
                'reference' => '1123',
                'signature' => 'a1B2s3dC4f5g5D6hj6E7k8F9l0',
                'estimated_delivery_date' => '08-30-2022',
                'tax_code' => 'tax-12345',
                'discount_by_membership' => false,
                'default' => true,
                'description_tooltips' => [
                                [
                                                                'target' => 1,
                                                                'html_content' => 'Timeline may vary depending on <b>location</b>.'
                                ]
                ]
        ],
        'pickup_option' => [
                'reference' => '1123',
                'signature' => 'a1B2s3dC4f5g5D6hj6E7k8F9l0',
                'cost' => 770,
                'tax_amount' => 230,
                'store_name' => 'Bolt Swag Store #47',
                'pickup_window_open' => 1578904185,
                'pickup_window_close' => 1578904185,
                'address' => [
                                'street_address1' => '42 Wallaby Way',
                                'street_address2' => '42 Wallaby Way',
                                'street_address3' => '42 Wallaby Way',
                                'street_address4' => '42 Wallaby Way',
                                'locality' => 'Wayne County',
                                'region' => 'Quebec',
                                'postal_code' => '11209',
                                'country_code' => 'US',
                                'country' => 'Canada'
                ],
                'distance' => 2,
                'distance_unit' => 'miles'
        ],
        'ship_to_store_option' => [
                'service' => 'Option 1',
                'reference' => '1123',
                'signature' => '1123',
                'cost' => 770,
                'tax_amount' => 230,
                'store_name' => 'Bolt Swag Store #47',
                'address' => [
                                'id' => 'addres-1',
                                'street_address1' => '42 Wallaby Way',
                                'street_address2' => '42 Wallaby Way',
                                'street_address3' => '42 Wallaby Way',
                                'street_address4' => '42 Wallaby Way',
                                'locality' => 'Wayne County',
                                'region' => 'Quebec',
                                'postal_code' => '11209',
                                'country_code' => 'US',
                                'country' => 'Canada',
                                'name' => 'Charlotte Charles',
                                'first_name' => 'Charlotte',
                                'last_name' => 'Charles',
                                'company' => 'ACME Corp.',
                                'phone' => '867-5309',
                                'email' => 'my.email@gmail.com'
                ],
                'distance' => 2,
                'distance_unit' => 'miles'
        ],
        'metadata' => [
                'key1' => 'value1',
                'key2' => 'value2'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://merchant-url.com/api/order_shipping_and_tax"

	payload := strings.NewReader("{\n  \"event\": \"order.shipping_and_tax\",\n  \"data\": {\n    \"shipping_address\": {\n      \"id\": \"addres-1\",\n      \"street_address1\": \"42 Wallaby Way\",\n      \"street_address2\": \"42 Wallaby Way\",\n      \"street_address3\": \"42 Wallaby Way\",\n      \"street_address4\": \"42 Wallaby Way\",\n      \"locality\": \"Wayne County\",\n      \"region\": \"Quebec\",\n      \"postal_code\": \"11209\",\n      \"country_code\": \"US\",\n      \"country\": \"Canada\",\n      \"name\": \"Charlotte Charles\",\n      \"first_name\": \"Charlotte\",\n      \"last_name\": \"Charles\",\n      \"company\": \"ACME Corp.\",\n      \"phone\": \"867-5309\",\n      \"email\": \"my.email@gmail.com\"\n    },\n    \"cart\": {\n      \"items\": [\n        {\n          \"reference\": \"1123\",\n          \"name\": \"Blue Hat\",\n          \"total_amount\": 9900,\n          \"unit_price\": 500,\n          \"quantity\": 3,\n          \"description\": \" Large blue satin hat with initials embroidered.\",\n          \"options\": \"string option\",\n          \"uom\": \"string\",\n          \"upc\": \"string\",\n          \"sku\": \"SKU-11021\",\n          \"isbn\": \"12-345-678-90123\",\n          \"brand\": \"Bolt Swagstore\",\n          \"manufacturer\": \"Bolt Factory\",\n          \"category\": \"hats\",\n          \"collections\": [\n            \"summer\"\n          ],\n          \"tags\": \"red\",\n          \"color\": \"Red\",\n          \"size\": \"XXL\",\n          \"weight\": {\n            \"weight\": 22,\n            \"unit\": \"kg\"\n          },\n          \"image_url\": \"https://boltswagstore.com/inventory/hats/red-hat.png\",\n          \"details_url\": \"https://boltswagstore.com/inventory/hats/red-hat.png\",\n          \"type\": \"physical\",\n          \"taxable\": true,\n          \"properties\": [\n            {\n              \"name\": \"a-name\",\n              \"value\": \"a-value\"\n            }\n          ],\n          \"item_group\": \"Ships Immediately\",\n          \"customizations\": [\n            {\n              \"name\": \"Bedazzled\",\n              \"price\": {\n                \"amount\": 754,\n                \"currency\": \"USD\",\n                \"currency_symbol\": \"$\"\n              },\n              \"attributes\": {\n                \"key1\": \"value1\",\n                \"key2\": \"value2\"\n              }\n            }\n          ],\n          \"bolt_product_id\": \"e2bb0e7e-5625-536f-8ad7-25a26537ee28\"\n        }\n      ],\n      \"currency\": \"USD\",\n      \"total_amount\": 9900,\n      \"display_id\": \"ID-12345\",\n      \"order_reference\": \"order-12345\",\n      \"metadata\": {\n        \"key1\": \"value1\",\n        \"key2\": \"value2\"\n      }\n    },\n    \"request_source\": \"checkout\",\n    \"shipping_option\": {\n      \"service\": \"Option 1\",\n      \"description\": \"The <span id=\\\"1\\\">most</span> popular choice\",\n      \"cost\": 770,\n      \"tax_amount\": 230,\n      \"reference\": \"1123\",\n      \"signature\": \"a1B2s3dC4f5g5D6hj6E7k8F9l0\",\n      \"estimated_delivery_date\": \"08-30-2022\",\n      \"tax_code\": \"tax-12345\",\n      \"discount_by_membership\": false,\n      \"default\": true,\n      \"description_tooltips\": [\n        {\n          \"target\": 1,\n          \"html_content\": \"Timeline may vary depending on <b>location</b>.\"\n        }\n      ]\n    },\n    \"pickup_option\": {\n      \"reference\": \"1123\",\n      \"signature\": \"a1B2s3dC4f5g5D6hj6E7k8F9l0\",\n      \"cost\": 770,\n      \"tax_amount\": 230,\n      \"store_name\": \"Bolt Swag Store #47\",\n      \"pickup_window_open\": 1578904185,\n      \"pickup_window_close\": 1578904185,\n      \"address\": {\n        \"street_address1\": \"42 Wallaby Way\",\n        \"street_address2\": \"42 Wallaby Way\",\n        \"street_address3\": \"42 Wallaby Way\",\n        \"street_address4\": \"42 Wallaby Way\",\n        \"locality\": \"Wayne County\",\n        \"region\": \"Quebec\",\n        \"postal_code\": \"11209\",\n        \"country_code\": \"US\",\n        \"country\": \"Canada\"\n      },\n      \"distance\": 2,\n      \"distance_unit\": \"miles\"\n    },\n    \"ship_to_store_option\": {\n      \"service\": \"Option 1\",\n      \"reference\": \"1123\",\n      \"signature\": \"1123\",\n      \"cost\": 770,\n      \"tax_amount\": 230,\n      \"store_name\": \"Bolt Swag Store #47\",\n      \"address\": {\n        \"id\": \"addres-1\",\n        \"street_address1\": \"42 Wallaby Way\",\n        \"street_address2\": \"42 Wallaby Way\",\n        \"street_address3\": \"42 Wallaby Way\",\n        \"street_address4\": \"42 Wallaby Way\",\n        \"locality\": \"Wayne County\",\n        \"region\": \"Quebec\",\n        \"postal_code\": \"11209\",\n        \"country_code\": \"US\",\n        \"country\": \"Canada\",\n        \"name\": \"Charlotte Charles\",\n        \"first_name\": \"Charlotte\",\n        \"last_name\": \"Charles\",\n        \"company\": \"ACME Corp.\",\n        \"phone\": \"867-5309\",\n        \"email\": \"my.email@gmail.com\"\n      },\n      \"distance\": 2,\n      \"distance_unit\": \"miles\"\n    },\n    \"metadata\": {\n      \"key1\": \"value1\",\n      \"key2\": \"value2\"\n    }\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-API-Key", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://merchant-url.com/api/order_shipping_and_tax")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"event\": \"order.shipping_and_tax\",\n  \"data\": {\n    \"shipping_address\": {\n      \"id\": \"addres-1\",\n      \"street_address1\": \"42 Wallaby Way\",\n      \"street_address2\": \"42 Wallaby Way\",\n      \"street_address3\": \"42 Wallaby Way\",\n      \"street_address4\": \"42 Wallaby Way\",\n      \"locality\": \"Wayne County\",\n      \"region\": \"Quebec\",\n      \"postal_code\": \"11209\",\n      \"country_code\": \"US\",\n      \"country\": \"Canada\",\n      \"name\": \"Charlotte Charles\",\n      \"first_name\": \"Charlotte\",\n      \"last_name\": \"Charles\",\n      \"company\": \"ACME Corp.\",\n      \"phone\": \"867-5309\",\n      \"email\": \"my.email@gmail.com\"\n    },\n    \"cart\": {\n      \"items\": [\n        {\n          \"reference\": \"1123\",\n          \"name\": \"Blue Hat\",\n          \"total_amount\": 9900,\n          \"unit_price\": 500,\n          \"quantity\": 3,\n          \"description\": \" Large blue satin hat with initials embroidered.\",\n          \"options\": \"string option\",\n          \"uom\": \"string\",\n          \"upc\": \"string\",\n          \"sku\": \"SKU-11021\",\n          \"isbn\": \"12-345-678-90123\",\n          \"brand\": \"Bolt Swagstore\",\n          \"manufacturer\": \"Bolt Factory\",\n          \"category\": \"hats\",\n          \"collections\": [\n            \"summer\"\n          ],\n          \"tags\": \"red\",\n          \"color\": \"Red\",\n          \"size\": \"XXL\",\n          \"weight\": {\n            \"weight\": 22,\n            \"unit\": \"kg\"\n          },\n          \"image_url\": \"https://boltswagstore.com/inventory/hats/red-hat.png\",\n          \"details_url\": \"https://boltswagstore.com/inventory/hats/red-hat.png\",\n          \"type\": \"physical\",\n          \"taxable\": true,\n          \"properties\": [\n            {\n              \"name\": \"a-name\",\n              \"value\": \"a-value\"\n            }\n          ],\n          \"item_group\": \"Ships Immediately\",\n          \"customizations\": [\n            {\n              \"name\": \"Bedazzled\",\n              \"price\": {\n                \"amount\": 754,\n                \"currency\": \"USD\",\n                \"currency_symbol\": \"$\"\n              },\n              \"attributes\": {\n                \"key1\": \"value1\",\n                \"key2\": \"value2\"\n              }\n            }\n          ],\n          \"bolt_product_id\": \"e2bb0e7e-5625-536f-8ad7-25a26537ee28\"\n        }\n      ],\n      \"currency\": \"USD\",\n      \"total_amount\": 9900,\n      \"display_id\": \"ID-12345\",\n      \"order_reference\": \"order-12345\",\n      \"metadata\": {\n        \"key1\": \"value1\",\n        \"key2\": \"value2\"\n      }\n    },\n    \"request_source\": \"checkout\",\n    \"shipping_option\": {\n      \"service\": \"Option 1\",\n      \"description\": \"The <span id=\\\"1\\\">most</span> popular choice\",\n      \"cost\": 770,\n      \"tax_amount\": 230,\n      \"reference\": \"1123\",\n      \"signature\": \"a1B2s3dC4f5g5D6hj6E7k8F9l0\",\n      \"estimated_delivery_date\": \"08-30-2022\",\n      \"tax_code\": \"tax-12345\",\n      \"discount_by_membership\": false,\n      \"default\": true,\n      \"description_tooltips\": [\n        {\n          \"target\": 1,\n          \"html_content\": \"Timeline may vary depending on <b>location</b>.\"\n        }\n      ]\n    },\n    \"pickup_option\": {\n      \"reference\": \"1123\",\n      \"signature\": \"a1B2s3dC4f5g5D6hj6E7k8F9l0\",\n      \"cost\": 770,\n      \"tax_amount\": 230,\n      \"store_name\": \"Bolt Swag Store #47\",\n      \"pickup_window_open\": 1578904185,\n      \"pickup_window_close\": 1578904185,\n      \"address\": {\n        \"street_address1\": \"42 Wallaby Way\",\n        \"street_address2\": \"42 Wallaby Way\",\n        \"street_address3\": \"42 Wallaby Way\",\n        \"street_address4\": \"42 Wallaby Way\",\n        \"locality\": \"Wayne County\",\n        \"region\": \"Quebec\",\n        \"postal_code\": \"11209\",\n        \"country_code\": \"US\",\n        \"country\": \"Canada\"\n      },\n      \"distance\": 2,\n      \"distance_unit\": \"miles\"\n    },\n    \"ship_to_store_option\": {\n      \"service\": \"Option 1\",\n      \"reference\": \"1123\",\n      \"signature\": \"1123\",\n      \"cost\": 770,\n      \"tax_amount\": 230,\n      \"store_name\": \"Bolt Swag Store #47\",\n      \"address\": {\n        \"id\": \"addres-1\",\n        \"street_address1\": \"42 Wallaby Way\",\n        \"street_address2\": \"42 Wallaby Way\",\n        \"street_address3\": \"42 Wallaby Way\",\n        \"street_address4\": \"42 Wallaby Way\",\n        \"locality\": \"Wayne County\",\n        \"region\": \"Quebec\",\n        \"postal_code\": \"11209\",\n        \"country_code\": \"US\",\n        \"country\": \"Canada\",\n        \"name\": \"Charlotte Charles\",\n        \"first_name\": \"Charlotte\",\n        \"last_name\": \"Charles\",\n        \"company\": \"ACME Corp.\",\n        \"phone\": \"867-5309\",\n        \"email\": \"my.email@gmail.com\"\n      },\n      \"distance\": 2,\n      \"distance_unit\": \"miles\"\n    },\n    \"metadata\": {\n      \"key1\": \"value1\",\n      \"key2\": \"value2\"\n    }\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://merchant-url.com/api/order_shipping_and_tax")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"event\": \"order.shipping_and_tax\",\n  \"data\": {\n    \"shipping_address\": {\n      \"id\": \"addres-1\",\n      \"street_address1\": \"42 Wallaby Way\",\n      \"street_address2\": \"42 Wallaby Way\",\n      \"street_address3\": \"42 Wallaby Way\",\n      \"street_address4\": \"42 Wallaby Way\",\n      \"locality\": \"Wayne County\",\n      \"region\": \"Quebec\",\n      \"postal_code\": \"11209\",\n      \"country_code\": \"US\",\n      \"country\": \"Canada\",\n      \"name\": \"Charlotte Charles\",\n      \"first_name\": \"Charlotte\",\n      \"last_name\": \"Charles\",\n      \"company\": \"ACME Corp.\",\n      \"phone\": \"867-5309\",\n      \"email\": \"my.email@gmail.com\"\n    },\n    \"cart\": {\n      \"items\": [\n        {\n          \"reference\": \"1123\",\n          \"name\": \"Blue Hat\",\n          \"total_amount\": 9900,\n          \"unit_price\": 500,\n          \"quantity\": 3,\n          \"description\": \" Large blue satin hat with initials embroidered.\",\n          \"options\": \"string option\",\n          \"uom\": \"string\",\n          \"upc\": \"string\",\n          \"sku\": \"SKU-11021\",\n          \"isbn\": \"12-345-678-90123\",\n          \"brand\": \"Bolt Swagstore\",\n          \"manufacturer\": \"Bolt Factory\",\n          \"category\": \"hats\",\n          \"collections\": [\n            \"summer\"\n          ],\n          \"tags\": \"red\",\n          \"color\": \"Red\",\n          \"size\": \"XXL\",\n          \"weight\": {\n            \"weight\": 22,\n            \"unit\": \"kg\"\n          },\n          \"image_url\": \"https://boltswagstore.com/inventory/hats/red-hat.png\",\n          \"details_url\": \"https://boltswagstore.com/inventory/hats/red-hat.png\",\n          \"type\": \"physical\",\n          \"taxable\": true,\n          \"properties\": [\n            {\n              \"name\": \"a-name\",\n              \"value\": \"a-value\"\n            }\n          ],\n          \"item_group\": \"Ships Immediately\",\n          \"customizations\": [\n            {\n              \"name\": \"Bedazzled\",\n              \"price\": {\n                \"amount\": 754,\n                \"currency\": \"USD\",\n                \"currency_symbol\": \"$\"\n              },\n              \"attributes\": {\n                \"key1\": \"value1\",\n                \"key2\": \"value2\"\n              }\n            }\n          ],\n          \"bolt_product_id\": \"e2bb0e7e-5625-536f-8ad7-25a26537ee28\"\n        }\n      ],\n      \"currency\": \"USD\",\n      \"total_amount\": 9900,\n      \"display_id\": \"ID-12345\",\n      \"order_reference\": \"order-12345\",\n      \"metadata\": {\n        \"key1\": \"value1\",\n        \"key2\": \"value2\"\n      }\n    },\n    \"request_source\": \"checkout\",\n    \"shipping_option\": {\n      \"service\": \"Option 1\",\n      \"description\": \"The <span id=\\\"1\\\">most</span> popular choice\",\n      \"cost\": 770,\n      \"tax_amount\": 230,\n      \"reference\": \"1123\",\n      \"signature\": \"a1B2s3dC4f5g5D6hj6E7k8F9l0\",\n      \"estimated_delivery_date\": \"08-30-2022\",\n      \"tax_code\": \"tax-12345\",\n      \"discount_by_membership\": false,\n      \"default\": true,\n      \"description_tooltips\": [\n        {\n          \"target\": 1,\n          \"html_content\": \"Timeline may vary depending on <b>location</b>.\"\n        }\n      ]\n    },\n    \"pickup_option\": {\n      \"reference\": \"1123\",\n      \"signature\": \"a1B2s3dC4f5g5D6hj6E7k8F9l0\",\n      \"cost\": 770,\n      \"tax_amount\": 230,\n      \"store_name\": \"Bolt Swag Store #47\",\n      \"pickup_window_open\": 1578904185,\n      \"pickup_window_close\": 1578904185,\n      \"address\": {\n        \"street_address1\": \"42 Wallaby Way\",\n        \"street_address2\": \"42 Wallaby Way\",\n        \"street_address3\": \"42 Wallaby Way\",\n        \"street_address4\": \"42 Wallaby Way\",\n        \"locality\": \"Wayne County\",\n        \"region\": \"Quebec\",\n        \"postal_code\": \"11209\",\n        \"country_code\": \"US\",\n        \"country\": \"Canada\"\n      },\n      \"distance\": 2,\n      \"distance_unit\": \"miles\"\n    },\n    \"ship_to_store_option\": {\n      \"service\": \"Option 1\",\n      \"reference\": \"1123\",\n      \"signature\": \"1123\",\n      \"cost\": 770,\n      \"tax_amount\": 230,\n      \"store_name\": \"Bolt Swag Store #47\",\n      \"address\": {\n        \"id\": \"addres-1\",\n        \"street_address1\": \"42 Wallaby Way\",\n        \"street_address2\": \"42 Wallaby Way\",\n        \"street_address3\": \"42 Wallaby Way\",\n        \"street_address4\": \"42 Wallaby Way\",\n        \"locality\": \"Wayne County\",\n        \"region\": \"Quebec\",\n        \"postal_code\": \"11209\",\n        \"country_code\": \"US\",\n        \"country\": \"Canada\",\n        \"name\": \"Charlotte Charles\",\n        \"first_name\": \"Charlotte\",\n        \"last_name\": \"Charles\",\n        \"company\": \"ACME Corp.\",\n        \"phone\": \"867-5309\",\n        \"email\": \"my.email@gmail.com\"\n      },\n      \"distance\": 2,\n      \"distance_unit\": \"miles\"\n    },\n    \"metadata\": {\n      \"key1\": \"value1\",\n      \"key2\": \"value2\"\n    }\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "event": "order.shipping_and_tax",
  "status": "success",
  "data": {
    "shipping_options": [
      {
        "service": "Option 1",
        "description": "The <span id=\"1\">most</span> popular choice",
        "cost": 770,
        "tax_amount": 230,
        "reference": "1123",
        "signature": "a1B2s3dC4f5g5D6hj6E7k8F9l0",
        "estimated_delivery_date": "08-30-2022",
        "tax_code": "tax-12345",
        "discount_by_membership": false,
        "default": true,
        "description_tooltips": [
          {
            "target": 1,
            "html_content": "Timeline may vary depending on <b>location</b>."
          }
        ]
      }
    ],
    "pickup_options": [
      {
        "reference": "1123",
        "signature": "a1B2s3dC4f5g5D6hj6E7k8F9l0",
        "cost": 770,
        "tax_amount": 230,
        "store_name": "Bolt Swag Store #47",
        "pickup_window_open": 1578904185,
        "pickup_window_close": 1578904185,
        "address": {
          "street_address1": "42 Wallaby Way",
          "street_address2": "42 Wallaby Way",
          "street_address3": "42 Wallaby Way",
          "street_address4": "42 Wallaby Way",
          "locality": "Wayne County",
          "region": "Quebec",
          "postal_code": "11209",
          "country_code": "US",
          "country": "Canada"
        },
        "distance": 2,
        "distance_unit": "miles"
      }
    ],
    "ship_to_store_options": [
      {
        "service": "Option 1",
        "description": "The <span id=\"1\">most</span> popular choice",
        "cost": 770,
        "tax_amount": 230,
        "reference": "1123",
        "signature": "a1B2s3dC4f5g5D6hj6E7k8F9l0",
        "estimated_delivery_date": "08-30-2022",
        "tax_code": "tax-12345",
        "discount_by_membership": false,
        "default": true,
        "description_tooltips": [
          {
            "target": 1,
            "html_content": "Timeline may vary depending on <b>location</b>."
          }
        ]
      }
    ],
    "tax_result": {
      "items": [
        {
          "reference": "1123",
          "name": "Blue Hat",
          "total_amount": 9900,
          "unit_price": 500,
          "quantity": 3,
          "description": " Large blue satin hat with initials embroidered.",
          "options": "string option",
          "tax_amount": {
            "amount": 754,
            "currency": "USD",
            "currency_symbol": "$"
          },
          "uom": "string",
          "upc": "string",
          "sku": "SKU-11021",
          "isbn": "12-345-678-90123",
          "brand": "Bolt Swagstore",
          "manufacturer": "Bolt Factory",
          "category": "hats",
          "collections": [
            "summer"
          ],
          "tags": "red",
          "color": "Red",
          "size": "XXL",
          "weight": {
            "weight": 22,
            "unit": "kg"
          },
          "image_url": "https://boltswagstore.com/inventory/hats/red-hat.png",
          "details_url": "https://boltswagstore.com/inventory/hats/red-hat.png",
          "type": "physical",
          "taxable": true,
          "properties": [
            {
              "name": "a-name",
              "value": "a-value"
            }
          ],
          "item_group": "Ships Immediately",
          "shipment_type": "unknown",
          "customizations": [
            {
              "name": "Bedazzled",
              "price": {
                "amount": 754,
                "currency": "USD",
                "currency_symbol": "$"
              },
              "attributes": {
                "key1": "value1",
                "key2": "value2"
              }
            }
          ],
          "bolt_product_id": "e2bb0e7e-5625-536f-8ad7-25a26537ee28",
          "gift_options": {
            "wrap": false,
            "merchant_product_id": "881",
            "message": "Happy Anniversary, Smoochy Poo!",
            "cost": 785
          }
        }
      ],
      "rate_subtotal": 300,
      "rate_shipping": 234,
      "subtotal_amount": 754
    },
    "metadata": {
      "key1": "value1",
      "key2": "value2"
    }
  }
}

{
  "event": "order.order_shipping_and_tax",
  "status": "failure",
  "error": {
    "code": 2001005,
    "data": [
      {
        "reason": "This product is out of stock."
      }
    ]
  }
}