curl --request POST \
  --url https://api.lootexplus.com/v1/orders/buy \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "chainId": 1868,
  "orderHashes": [
    "0xaabdbab8b4485b784e00d80943964da179a92257248e665b0f035d4daabe85f8"
  ],
  "accountAddress": "0x0000000000000000000000000000000000000000"
}
'

import requests

url = "https://api.lootexplus.com/v1/orders/buy"

payload = {
    "chainId": 1868,
    "orderHashes": ["0xaabdbab8b4485b784e00d80943964da179a92257248e665b0f035d4daabe85f8"],
    "accountAddress": "0x0000000000000000000000000000000000000000"
}
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({
    chainId: 1868,
    orderHashes: ['0xaabdbab8b4485b784e00d80943964da179a92257248e665b0f035d4daabe85f8'],
    accountAddress: '0x0000000000000000000000000000000000000000'
  })
};

fetch('https://api.lootexplus.com/v1/orders/buy', 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://api.lootexplus.com/v1/orders/buy",
  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([
    'chainId' => 1868,
    'orderHashes' => [
        '0xaabdbab8b4485b784e00d80943964da179a92257248e665b0f035d4daabe85f8'
    ],
    'accountAddress' => '0x0000000000000000000000000000000000000000'
  ]),
  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://api.lootexplus.com/v1/orders/buy"

	payload := strings.NewReader("{\n  \"chainId\": 1868,\n  \"orderHashes\": [\n    \"0xaabdbab8b4485b784e00d80943964da179a92257248e665b0f035d4daabe85f8\"\n  ],\n  \"accountAddress\": \"0x0000000000000000000000000000000000000000\"\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://api.lootexplus.com/v1/orders/buy")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"chainId\": 1868,\n  \"orderHashes\": [\n    \"0xaabdbab8b4485b784e00d80943964da179a92257248e665b0f035d4daabe85f8\"\n  ],\n  \"accountAddress\": \"0x0000000000000000000000000000000000000000\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.lootexplus.com/v1/orders/buy")

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  \"chainId\": 1868,\n  \"orderHashes\": [\n    \"0xaabdbab8b4485b784e00d80943964da179a92257248e665b0f035d4daabe85f8\"\n  ],\n  \"accountAddress\": \"0x0000000000000000000000000000000000000000\"\n}"

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

{
  "steps": [
    {
      "id": "approve-tokens",
      "items": []
    },
    {
      "id": "exchange",
      "items": [
        {
          "type": "transaction",
          "data": {
            "to": "0xCb5367109e9d6b8C03c4DAF71740159fC85BCFce",
            "data": "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",
            "value": "100000000000000000"
          }
        }
      ]
    }
  ]
}