curl --location --request POST '/api/v1/checkout-sessions//webhook' \
--header 'Content-Type: application/json' \
--data-raw '{
"event": "payment.confirmed",
"data": {
"transactionId": "trxn_123",
"amount": 750.12,
"currency": "USDT",
"network": "TRON",
"txHash": "0xabc...",
"confirmations": 12,
"timestamp": "2025-01-01T12:05:00Z"
},
"signature": "t=1704101100,v1=abcdef..."
}'
{
"success": true,
"message": "Received"
}