Создавайте с Pulse2Pay

curl -X POST "https://api.pulse2pay.com/api/merchant/v1/payments" \
  -H "X-Pulse2Pay-Key: pk_live_abc123..." \
  -H "X-Pulse2Pay-Signature: <signature>" \
  -H "X-Pulse2Pay-Timestamp: 1701432000000" \
  -H "Content-Type: application/json" \
  -d '{
    "amount": "100.00",
    "currency": "USDT",
    "externalId": "order_123",
    "callbackUrl": "https://yoursite.com/webhooks/pulse2pay"
  }'