curl -X GET https://api.gmproxys.com/v1/balance \
  -H "X-API-Key: gm_SUA_CHAVE" \
  -H "Content-Type: application/json" \
  -d '{
    "user_id": "3627"
  }'

const response = await fetch("https://api.gmproxys.com/v1/balance", {
  method: "GET",
  headers: {
    "X-API-Key": "gm_SUA_CHAVE",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    user_id: "3627",
  }),
});

const data = await response.json();

import requests

response = requests.get(
    "https://api.gmproxys.com/v1/balance",
    headers={
        "X-API-Key": "gm_SUA_CHAVE",
        "Content-Type": "application/json",
    },
    json={"user_id": "3627"},
)

print(response.json())

{
  "balance": 12900079458,
  "balance_format": "12.01 GB",
  "balance_total": 214748364800,
  "balance_total_format": "200 GB",
  "balance_used": 201848285342,
  "balance_used_format": "187.99 GB",
  "threads_used": 320
}

{
  "success": false,
  "message": "Invalid API token."
}

{
  "success": false,
  "message": "Proxy user not found."
}