curl --request GET \
  --url https://api.qfex.com/user/referrals/notional-volume \
  --header 'x-qfex-hmac-signature: <api-key>' \
  --header 'x-qfex-nonce: <api-key>' \
  --header 'x-qfex-public-key: <api-key>' \
  --header 'x-qfex-timestamp: <api-key>'

import requests

url = "https://api.qfex.com/user/referrals/notional-volume"

headers = {
    "x-qfex-hmac-signature": "<api-key>",
    "x-qfex-nonce": "<api-key>",
    "x-qfex-public-key": "<api-key>",
    "x-qfex-timestamp": "<api-key>"
}

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

print(response.text)

const options = {
  method: 'GET',
  headers: {
    'x-qfex-hmac-signature': '<api-key>',
    'x-qfex-nonce': '<api-key>',
    'x-qfex-public-key': '<api-key>',
    'x-qfex-timestamp': '<api-key>'
  }
};

fetch('https://api.qfex.com/user/referrals/notional-volume', 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.qfex.com/user/referrals/notional-volume",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "x-qfex-hmac-signature: <api-key>",
    "x-qfex-nonce: <api-key>",
    "x-qfex-public-key: <api-key>",
    "x-qfex-timestamp: <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"
	"net/http"
	"io"
)

func main() {

	url := "https://api.qfex.com/user/referrals/notional-volume"

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

	req.Header.Add("x-qfex-hmac-signature", "<api-key>")
	req.Header.Add("x-qfex-nonce", "<api-key>")
	req.Header.Add("x-qfex-public-key", "<api-key>")
	req.Header.Add("x-qfex-timestamp", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.qfex.com/user/referrals/notional-volume")
  .header("x-qfex-hmac-signature", "<api-key>")
  .header("x-qfex-nonce", "<api-key>")
  .header("x-qfex-public-key", "<api-key>")
  .header("x-qfex-timestamp", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.qfex.com/user/referrals/notional-volume")

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

request = Net::HTTP::Get.new(url)
request["x-qfex-hmac-signature"] = '<api-key>'
request["x-qfex-nonce"] = '<api-key>'
request["x-qfex-public-key"] = '<api-key>'
request["x-qfex-timestamp"] = '<api-key>'

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

{
  "direct_referral_count": 123,
  "end": "2023-11-07T05:31:56Z",
  "self_lifetime_notional_volume": 123,
  "start": "2023-11-07T05:31:56Z",
  "total_lifetime_notional_volume": 123,
  "total_notional_volume": 123,
  "users": [
    {
      "account_ids": [
        "<string>"
      ],
      "lifetime_notional_volume": 123,
      "notional_volume": 123,
      "relationship": "<string>",
      "user_id": "<string>"
    }
  ],
  "$schema": "https://api.qfex.com/schemas/ReferralNotionalVolumeResponseBody.json"
}

{
  "$schema": "https://api.qfex.com/schemas/ErrorModel.json",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example"
}