Accept, hold and send crypto through one secure gate.

import crypto from "node:crypto";

const body = JSON.stringify({
  amount: "49.90",
  currency: "USD",
  order_id: "order-1042",
  url_callback: "https://shop.example/webhook",
});

// Request signing: md5(base64(body) + API key)
const sign = crypto.createHash("md5")
  .update(Buffer.from(body).toString("base64") + process.env.PAYMENT_KEY)
  .digest("hex");

const res = await fetch("https://api.vexoragate.com/v1/payment", {
  method: "POST",
  headers: { merchant: process.env.MERCHANT_UUID, sign, "Content-Type": "application/json" },
  body,
});
const { result } = await res.json();
console.log(result.url); // hosted payment page

<?php
$body = json_encode([
    'amount'       => '49.90',
    'currency'     => 'USD',
    'order_id'     => 'order-1042',
    'url_callback' => 'https://shop.example/webhook',
]);

// Request signing: md5(base64(body) + API key)
$sign = md5(base64_encode($body) . getenv('PAYMENT_KEY'));

$ch = curl_init('https://api.vexoragate.com/v1/payment');
curl_setopt_array($ch, [
    CURLOPT_POST           => true,
    CURLOPT_POSTFIELDS     => $body,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER     => [
        'merchant: ' . getenv('MERCHANT_UUID'),
        'sign: ' . $sign,
        'Content-Type: application/json',
    ],
]);
$result = json_decode(curl_exec($ch), true)['result'];
header('Location: ' . $result['url']); // hosted payment page

import base64, hashlib, json, os, requests

body = json.dumps({
    "amount": "49.90",
    "currency": "USD",
    "order_id": "order-1042",
    "url_callback": "https://shop.example/webhook",
})

# Request signing: md5(base64(body) + API key)
sign = hashlib.md5(
    (base64.b64encode(body.encode()).decode() + os.environ["PAYMENT_KEY"]).encode()
).hexdigest()

r = requests.post(
    "https://api.vexoragate.com/v1/payment",
    data=body,
    headers={"merchant": os.environ["MERCHANT_UUID"], "sign": sign, "Content-Type": "application/json"},
    timeout=30,
)
print(r.json()["result"]["url"])  # hosted payment page