curl --request DELETE \
  --url https://api.sx.bet/orders-v3 \
  --header 'Content-Type: application/json' \
  --header 'x-sx-api-key: <api-key>' \
  --data '
{
  "orders": [
    {
      "orderId": "0x0e9e6910f10e0aced2059f2736011c05b9a9cf5c587d150f3b413159560c7a76"
    }
  ]
}
'

import requests

url = "https://api.sx.bet/orders-v3"

payload = { "orders": [{ "orderId": "0x0e9e6910f10e0aced2059f2736011c05b9a9cf5c587d150f3b413159560c7a76" }] }
headers = {
    "x-sx-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'DELETE',
  headers: {'x-sx-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    orders: [
      {orderId: '0x0e9e6910f10e0aced2059f2736011c05b9a9cf5c587d150f3b413159560c7a76'}
    ]
  })
};

fetch('https://api.sx.bet/orders-v3', 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.sx.bet/orders-v3",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "DELETE",
  CURLOPT_POSTFIELDS => json_encode([
    'orders' => [
        [
                'orderId' => '0x0e9e6910f10e0aced2059f2736011c05b9a9cf5c587d150f3b413159560c7a76'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-sx-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.sx.bet/orders-v3"

	payload := strings.NewReader("{\n  \"orders\": [\n    {\n      \"orderId\": \"0x0e9e6910f10e0aced2059f2736011c05b9a9cf5c587d150f3b413159560c7a76\"\n    }\n  ]\n}")

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

	req.Header.Add("x-sx-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.delete("https://api.sx.bet/orders-v3")
  .header("x-sx-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"orders\": [\n    {\n      \"orderId\": \"0x0e9e6910f10e0aced2059f2736011c05b9a9cf5c587d150f3b413159560c7a76\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sx.bet/orders-v3")

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

request = Net::HTTP::Delete.new(url)
request["x-sx-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"orders\": [\n    {\n      \"orderId\": \"0x0e9e6910f10e0aced2059f2736011c05b9a9cf5c587d150f3b413159560c7a76\"\n    }\n  ]\n}"

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

{
  "status": "success",
  "data": {
    "cancelled": [
      {
        "orderId": "0x0e9e6910f10e0aced2059f2736011c05b9a9cf5c587d150f3b413159560c7a76",
        "commandId": "74a01fe8-6555-4492-8d28-879c151aef8b"
      }
    ],
    "notCancelled": [
      {
        "orderId": "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
        "reason": "NOT_FOUND"
      }
    ],
    "unconfirmed": []
  }
}

{
  "message": [
    "orders must be an array"
  ],
  "error": "Bad Request",
  "statusCode": 400
}

{
  "message": "BAD_AUTH",
  "error": "Unauthorized",
  "statusCode": 401
}

{
  "message": "Failed to publish cancel command(s) to the orderbook",
  "error": "Internal Server Error",
  "statusCode": 500
}

{
  "message": "Service Unavailable",
  "statusCode": 503
}