Виджет и API

<div id="rupayflow-widget"></div>
<script src="https://rupayflow.ru/widget.js"></script>
<script>
  RuPayFlow.mount('#rupayflow-widget', {
    publicKey: 'rpf_live_ваш_ключ',   // ключ из кабинета
    amount: 499000,                   // сумма в копейках
    orderId: 'ORDER-1024',
    methods: ['card', 'sbp'],
    collectEmail: true,
    brandColor: '#2563eb',
    onCreate: function (payment) {
      console.log('Платёж создан', payment.id);
    }
  });
</script>

curl -X POST https://rupayflow.ru/api/public/v1/payments \
  -H "Authorization: Bearer rpf_live_ваш_ключ" \
  -H "Content-Type: application/json" \
  -d '{
    "amount": 4990.00,
    "currency": "RUB",
    "method": "sbp",
    "order_id": "ORDER-1024",
    "customer_email": "client@example.com"
  }'

{
  "id": "8f2b41c9-...",
  "status": "pending",
  "amount": 4990.00,
  "fee": 159.68,
  "method": "sbp",
  "qr_code_url": "https://api.qrserver.com/v1/create-qr-code/?...",
  "payment_url": "https://rupayflow.ru/pay/8f2b41c9-...",
  "usdt_amount": 52.4211,
  "usdt_rate": 92.15
}

curl https://rupayflow.ru/api/public/v1/payments/8f2b41c9-...

# ответ
{
  "id": "8f2b41c9-...",
  "status": "succeeded",
  "amount": 4990.00,
  "usdt_amount": 52.4211
}