curl --request GET \
  --url https://test.deribit.com/api/v2/private/withdraw \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": 6931,
  "method": "private/withdraw",
  "params": {
    "currency": "BTC",
    "address": "2NBqqD5GRJ8wHy1PYyCXTe9ke5226FhavBz",
    "amount": 0.4,
    "priority": "mid"
  }
}
'

import requests

url = "https://test.deribit.com/api/v2/private/withdraw"

payload = {
    "jsonrpc": "2.0",
    "id": 6931,
    "method": "private/withdraw",
    "params": {
        "currency": "BTC",
        "address": "2NBqqD5GRJ8wHy1PYyCXTe9ke5226FhavBz",
        "amount": 0.4,
        "priority": "mid"
    }
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'GET',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    jsonrpc: '2.0',
    id: 6931,
    method: 'private/withdraw',
    params: {
      currency: 'BTC',
      address: '2NBqqD5GRJ8wHy1PYyCXTe9ke5226FhavBz',
      amount: 0.4,
      priority: 'mid'
    }
  })
};

fetch('https://test.deribit.com/api/v2/private/withdraw', 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://test.deribit.com/api/v2/private/withdraw",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_POSTFIELDS => json_encode([
    'jsonrpc' => '2.0',
    'id' => 6931,
    'method' => 'private/withdraw',
    'params' => [
        'currency' => 'BTC',
        'address' => '2NBqqD5GRJ8wHy1PYyCXTe9ke5226FhavBz',
        'amount' => 0.4,
        'priority' => 'mid'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "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://test.deribit.com/api/v2/private/withdraw"

	payload := strings.NewReader("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 6931,\n  \"method\": \"private/withdraw\",\n  \"params\": {\n    \"currency\": \"BTC\",\n    \"address\": \"2NBqqD5GRJ8wHy1PYyCXTe9ke5226FhavBz\",\n    \"amount\": 0.4,\n    \"priority\": \"mid\"\n  }\n}")

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

	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.get("https://test.deribit.com/api/v2/private/withdraw")
  .header("Content-Type", "application/json")
  .body("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 6931,\n  \"method\": \"private/withdraw\",\n  \"params\": {\n    \"currency\": \"BTC\",\n    \"address\": \"2NBqqD5GRJ8wHy1PYyCXTe9ke5226FhavBz\",\n    \"amount\": 0.4,\n    \"priority\": \"mid\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://test.deribit.com/api/v2/private/withdraw")

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

request = Net::HTTP::Get.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 6931,\n  \"method\": \"private/withdraw\",\n  \"params\": {\n    \"currency\": \"BTC\",\n    \"address\": \"2NBqqD5GRJ8wHy1PYyCXTe9ke5226FhavBz\",\n    \"amount\": 0.4,\n    \"priority\": \"mid\"\n  }\n}"

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

{
  "jsonrpc": "2.0",
  "id": 7420,
  "result": {
    "address": "2NBqqD5GRJ8wHy1PYyCXTe9ke5226FhavBz",
    "amount": 0.5,
    "confirmed_timestamp": null,
    "created_timestamp": 1550571443070,
    "currency": "BTC",
    "fee": 0.0001,
    "id": 1,
    "priority": 0.15,
    "state": "cancelled",
    "transaction_id": null,
    "updated_timestamp": 1550571443070
  }
}