Sandbox — test everything risk-free

import { createHmac } from "crypto";

const body = JSON.stringify({ user_id: "demo_1", amount: 100, currency: "BRL", round_id: "r_1" });
const signature = createHmac("sha256", process.env.SANDBOX_WALLET_HMAC_SECRET!).update(body).digest("hex");

await fetch("https://sandbox.i-gaming.co/api/public/v1/sandbox/wallet/debit", {
  method: "POST",
  headers: {
    "content-type": "application/json",
    "x-signature": signature,
    "x-idempotency-key": "round_123",
  },
  body,
});

import hmac, hashlib, json, os, requests

body = json.dumps({"user_id":"demo_1","amount":100,"currency":"BRL","round_id":"r_1"}, separators=(",",":"))
sig = hmac.new(os.environ["SANDBOX_WALLET_HMAC_SECRET"].encode(), body.encode(), hashlib.sha256).hexdigest()

requests.post(
  "https://sandbox.i-gaming.co/api/public/v1/sandbox/wallet/debit",
  data=body,
  headers={
    "content-type": "application/json",
    "x-signature": sig,
    "x-idempotency-key": "round_123",
  },
)

<?php
$body = json_encode(["user_id"=>"demo_1","amount"=>100,"currency"=>"BRL","round_id"=>"r_1"]);
$sig = hash_hmac("sha256", $body, getenv("SANDBOX_WALLET_HMAC_SECRET"));
$ch = curl_init("https://sandbox.i-gaming.co/api/public/v1/sandbox/wallet/debit");
curl_setopt_array($ch, [
  CURLOPT_POST => true,
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_HTTPHEADER => [
    "content-type: application/json",
    "x-signature: $sig",
    "x-idempotency-key: round_123",
  ],
  CURLOPT_POSTFIELDS => $body,
]);
$response = curl_exec($ch);