curl --request POST \
  --url https://gateway.varchev.com/crypto/getClosedOrders \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'tenantId: <tenantid>' \
  --data '
{
  "nonce": "-51296282",
  "asset": "XBT.M",
  "amount": "Duis consequat"
}
'

import requests

url = "https://gateway.varchev.com/crypto/getClosedOrders"

payload = {
    "nonce": "-51296282",
    "asset": "XBT.M",
    "amount": "Duis consequat"
}
headers = {
    "tenantId": "<tenantid>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    tenantId: '<tenantid>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({nonce: '-51296282', asset: 'XBT.M', amount: 'Duis consequat'})
};

fetch('https://gateway.varchev.com/crypto/getClosedOrders', 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://gateway.varchev.com/crypto/getClosedOrders",
  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([
    'nonce' => '-51296282',
    'asset' => 'XBT.M',
    'amount' => 'Duis consequat'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "tenantId: <tenantid>"
  ],
]);

$response = curl_exec($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://gateway.varchev.com/crypto/getClosedOrders"

	payload := strings.NewReader("{\n  \"nonce\": \"-51296282\",\n  \"asset\": \"XBT.M\",\n  \"amount\": \"Duis consequat\"\n}")

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

	req.Header.Add("tenantId", "<tenantid>")
	req.Header.Add("Authorization", "Bearer <token>")
	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://gateway.varchev.com/crypto/getClosedOrders")
  .header("tenantId", "<tenantid>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"nonce\": \"-51296282\",\n  \"asset\": \"XBT.M\",\n  \"amount\": \"Duis consequat\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://gateway.varchev.com/crypto/getClosedOrders")

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

request = Net::HTTP::Post.new(url)
request["tenantId"] = '<tenantid>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"nonce\": \"-51296282\",\n  \"asset\": \"XBT.M\",\n  \"amount\": \"Duis consequat\"\n}"

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

{
  "error": [],
  "result": {
    "closed": {
      "O37652-RJWRT-IMO74O": {
        "userref": 36493663,
        "status": "canceled",
        "reason": "User requested",
        "opentm": 1616148493.7708,
        "closetm": 1616148610.0482,
        "starttm": 0,
        "expiretm": 0,
        "descr": {
          "pair": "XBTGBP",
          "type": "buy",
          "ordertype": "Stop-loss-limit",
          "price": "2506.0",
          "price2": "0",
          "leverage": "none",
          "order": "buy 0.00100000 XBTGBP @ limit 2506.0",
          "close": ""
        },
        "vol": "0.00100000",
        "vol_exec": "0.00000000",
        "cost": "0.00000",
        "fee": "0.00000",
        "price": "0.00000",
        "stopprice": "0.00000",
        "limitprice": "0.00000",
        "misc": "",
        "oflags": "fciq",
        "trigger": "index"
      },
      "O6YDQ5-LOMWU-37YKEE": {
        "userref": 36493663,
        "status": "canceled",
        "reason": "User requested",
        "opentm": 1616148493.7708,
        "closetm": 1616148610.0477,
        "starttm": 0,
        "expiretm": 0,
        "descr": {
          "pair": "XBTGBP",
          "type": "buy",
          "ordertype": "take-profit-limit",
          "price": "2518.0",
          "price2": "0",
          "leverage": "none",
          "order": "buy 0.00100000 XBTGBP @ limit 2518.0",
          "close": ""
        },
        "vol": "0.00100000",
        "vol_exec": "0.00000000",
        "cost": "0.00000",
        "fee": "0.00000",
        "price": "0.00000",
        "stopprice": "0.00000",
        "limitprice": "0.00000",
        "misc": "",
        "oflags": "fciq",
        "trigger": "index"
      }
    },
    "count": 2
  }
}