curl --request POST \
  --url https://1a557de0-701c-477d-bedd-433520441dae.mock.pstmn.io/api/hawb/drafts \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "awbNumber": "157-12345675",
  "hawbNumber": "HAWB-0001",
  "origin": "DOH",
  "destination": "LHR",
  "shipper": {
    "name": "ACME Export",
    "address": "123 Export Street"
  },
  "consignee": {
    "name": "ACME UK",
    "address": "456 Import Avenue"
  },
  "pieces": 5,
  "weight": 250.5,
  "volume": 1.2,
  "goodsDescription": "Electronics",
  "iataMessages": {
    "xfzb": "<XFZB XML or IMP here>",
    "fhl": "<FHL if sent>"
  }
}
'

import requests

url = "https://1a557de0-701c-477d-bedd-433520441dae.mock.pstmn.io/api/hawb/drafts"

payload = {
    "awbNumber": "157-12345675",
    "hawbNumber": "HAWB-0001",
    "origin": "DOH",
    "destination": "LHR",
    "shipper": {
        "name": "ACME Export",
        "address": "123 Export Street"
    },
    "consignee": {
        "name": "ACME UK",
        "address": "456 Import Avenue"
    },
    "pieces": 5,
    "weight": 250.5,
    "volume": 1.2,
    "goodsDescription": "Electronics",
    "iataMessages": {
        "xfzb": "<XFZB XML or IMP here>",
        "fhl": "<FHL if sent>"
    }
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    awbNumber: '157-12345675',
    hawbNumber: 'HAWB-0001',
    origin: 'DOH',
    destination: 'LHR',
    shipper: {name: 'ACME Export', address: '123 Export Street'},
    consignee: {name: 'ACME UK', address: '456 Import Avenue'},
    pieces: 5,
    weight: 250.5,
    volume: 1.2,
    goodsDescription: 'Electronics',
    iataMessages: {xfzb: '<XFZB XML or IMP here>', fhl: '<FHL if sent>'}
  })
};

fetch('https://1a557de0-701c-477d-bedd-433520441dae.mock.pstmn.io/api/hawb/drafts', 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://1a557de0-701c-477d-bedd-433520441dae.mock.pstmn.io/api/hawb/drafts",
  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([
    'awbNumber' => '157-12345675',
    'hawbNumber' => 'HAWB-0001',
    'origin' => 'DOH',
    'destination' => 'LHR',
    'shipper' => [
        'name' => 'ACME Export',
        'address' => '123 Export Street'
    ],
    'consignee' => [
        'name' => 'ACME UK',
        'address' => '456 Import Avenue'
    ],
    'pieces' => 5,
    'weight' => 250.5,
    'volume' => 1.2,
    'goodsDescription' => 'Electronics',
    'iataMessages' => [
        'xfzb' => '<XFZB XML or IMP here>',
        'fhl' => '<FHL if sent>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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://1a557de0-701c-477d-bedd-433520441dae.mock.pstmn.io/api/hawb/drafts"

	payload := strings.NewReader("{\n  \"awbNumber\": \"157-12345675\",\n  \"hawbNumber\": \"HAWB-0001\",\n  \"origin\": \"DOH\",\n  \"destination\": \"LHR\",\n  \"shipper\": {\n    \"name\": \"ACME Export\",\n    \"address\": \"123 Export Street\"\n  },\n  \"consignee\": {\n    \"name\": \"ACME UK\",\n    \"address\": \"456 Import Avenue\"\n  },\n  \"pieces\": 5,\n  \"weight\": 250.5,\n  \"volume\": 1.2,\n  \"goodsDescription\": \"Electronics\",\n  \"iataMessages\": {\n    \"xfzb\": \"<XFZB XML or IMP here>\",\n    \"fhl\": \"<FHL if sent>\"\n  }\n}")

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

	req.Header.Add("Authorization", "<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://1a557de0-701c-477d-bedd-433520441dae.mock.pstmn.io/api/hawb/drafts")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"awbNumber\": \"157-12345675\",\n  \"hawbNumber\": \"HAWB-0001\",\n  \"origin\": \"DOH\",\n  \"destination\": \"LHR\",\n  \"shipper\": {\n    \"name\": \"ACME Export\",\n    \"address\": \"123 Export Street\"\n  },\n  \"consignee\": {\n    \"name\": \"ACME UK\",\n    \"address\": \"456 Import Avenue\"\n  },\n  \"pieces\": 5,\n  \"weight\": 250.5,\n  \"volume\": 1.2,\n  \"goodsDescription\": \"Electronics\",\n  \"iataMessages\": {\n    \"xfzb\": \"<XFZB XML or IMP here>\",\n    \"fhl\": \"<FHL if sent>\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://1a557de0-701c-477d-bedd-433520441dae.mock.pstmn.io/api/hawb/drafts")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"awbNumber\": \"157-12345675\",\n  \"hawbNumber\": \"HAWB-0001\",\n  \"origin\": \"DOH\",\n  \"destination\": \"LHR\",\n  \"shipper\": {\n    \"name\": \"ACME Export\",\n    \"address\": \"123 Export Street\"\n  },\n  \"consignee\": {\n    \"name\": \"ACME UK\",\n    \"address\": \"456 Import Avenue\"\n  },\n  \"pieces\": 5,\n  \"weight\": 250.5,\n  \"volume\": 1.2,\n  \"goodsDescription\": \"Electronics\",\n  \"iataMessages\": {\n    \"xfzb\": \"<XFZB XML or IMP here>\",\n    \"fhl\": \"<FHL if sent>\"\n  }\n}"

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

{
  "hawbId": "hawb_01HXYZ",
  "hawbNumber": "HAWB-0001",
  "status": "draft",
  "linkedAwb": "157-12345675"
}