curl --request GET \
  --url https://api.erlcrussia.com/v3/auth/session \
  --cookie erlc_auth=

import requests

url = "https://api.erlcrussia.com/v3/auth/session"

headers = {"cookie": "erlc_auth="}

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

print(response.text)

const options = {method: 'GET', headers: {cookie: 'erlc_auth='}};

fetch('https://api.erlcrussia.com/v3/auth/session', 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.erlcrussia.com/v3/auth/session",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_COOKIE => "erlc_auth=",
]);

$response = curl_exec($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.erlcrussia.com/v3/auth/session"

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

	req.Header.Add("cookie", "erlc_auth=")

	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.erlcrussia.com/v3/auth/session")
  .header("cookie", "erlc_auth=")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.erlcrussia.com/v3/auth/session")

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

request = Net::HTTP::Get.new(url)
request["cookie"] = 'erlc_auth='

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

{
  "user": {
    "id": "123456789012345678",
    "name": "player",
    "image": "https://cdn.discordapp.com/avatars/123456789012345678/a_1b2c3d4e5f.gif?size=256",
    "discordId": "123456789012345678",
    "discordAvatar": "a_1b2c3d4e5f",
    "discordAvatarDecoration": null,
    "robloxId": "156",
    "robloxName": "Builderman",
    "robloxDisplayName": "Builder",
    "robloxAvatar": "https://tr.rbxcdn.com/avatar.png",
    "username": "player",
    "provider": "discord",
    "eCoins": 250
  }
}