curl -X POST https://api-eu.sulpayments.ch/v1/account/validate \
-H "Authorization: Bearer {token}" \
-H "Content-Type: application/json" \
-d '{
"partner_code": "VAL-001",
"first_name": "Juan",
"last_name": "Perez",
"document": "PERJ800101HDFRRN09",
"bank_code": "002",
"account": "012180012345678901",
"notification_url": "https://yourapp.com/webhooks/account"
}'