Подключение за 15 минут

curl -X POST https://api.zerokyc-payments.com/v1/invoices \
  -H "Authorization: Bearer pk_test_..." \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: order-1042" \
  -d '{
    "amount": "49.00",
    "base_currency": "USD",
    "payment_currency": "any",
    "order_id": "order-1042",
    "ttl_minutes": 360,
    "success_url": "https://yourapp.com/paid",
    "webhook_url": "https://yourapp.com/webhooks/zkp",
    "metadata": { "customer_id": "cust_8821" }
  }'

{
  "id": "inv_9f2k...",
  "status": "pending",
  "order_id": "order-1042",
  "amount": "49.00",
  "base_currency": "USD",
  "expires_at": "2026-09-06T18:20:11Z",
  "checkout_url": "https://app.zerokyc-payments.com/pay/inv_9f2k...",
  "options": [
    { "asset": "USDT", "network": "tron", "amount_crypto": "49.00", "rate": "1.0", "status": "open" },
    { "asset": "BTC",  "network": "bitcoin", "amount_crypto": "0.000524", "rate": "93457.91", "status": "open" },
    { "asset": "TON",  "network": "ton", "amount_crypto": "9.81", "rate": "4.99", "status": "open" },
    { "asset": "ETH",  "network": "ethereum", "amount_crypto": "0.0101", "rate": "2970.29", "status": "open" },
    { "asset": "BNB",  "network": "bsc", "amount_crypto": "0.0815", "rate": "601.22", "status": "open" },
    { "asset": "SOL",  "network": "solana", "amount_crypto": "0.3267", "rate": "150.06", "status": "open" ,
    { "asset": "XRP",  "network": "ripple", "amount_crypto": "9.55", "rate": "2.19", "status": "open" ,
    { "asset": "NEAR",  "network": "near", "amount_crypto": "1.8182", "rate": "5.50", "status": "open" }
  ]
}

{
  "type": "payment.confirmed",
  "created_at": "2026-09-06T14:02:33Z",
  "data": {
    "invoice_id": "inv_9f2k...",
    "order_id": "order-1042",
    "amount": "49.00",
    "base_currency": "USD",
    "option": { "asset": "TON", "network": "ton", "amount_crypto": "9.81", "paid_amount": "9.81" },
    "tx": { "hash": "9d24...", "confirmations": 1, "explorer_url": "https://tonviewer.com/transaction/9d24...", "output_index": 0 },
    "metadata": { "customer_id": "cust_8821" }
  }
}

import { createHmac, timingSafeEqual } from "node:crypto";

// X-ZKP-Signature: t=1694007753,v1=ade537fa...
const [t, v1] = Object.fromEntries(
  req.headers["x-zkp-signature"].split(",").map((p) => p.trim().split("=")),
);

const expected = createHmac("sha256", WEBHOOK_SECRET)
  .update(`${t}.${req.rawBody}`)
  .digest("hex");

const ok = timingSafeEqual(Buffer.from(expected, "hex"), Buffer.from(v1, "hex"));
if (!ok || Math.abs(Date.now() / 1000 - Number(t)) > 300) return res.status(400).end();