curl --location --request POST 'https://api.staging.vrtx.sa/cl/v1/refunds' \
--header 'Idempotency-Key: refund-req-123' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"original_transaction_id": "da6d857d-0bbf-411d-9902-ec90e0e92963",
"amount": "20",
"external_reference": "REFff-1955555",
"notes": "Customer refund"
}'{
"id": "4e0f5b1f-c449-4083-a408-bfe1355a3b6b",
"amount": "10.00",
"currency": "SAR",
"external_reference": "REF-123456789",
"original_transaction_reference": "PO-0013579",
"sender_account_number": "054200002027",
"receiver_account_number": "054200001011",
"notes": "Customer refund",
"status": "SUCCESS",
"created_at": "2025-10-25T14:35:46.011Z",
"original_transaction_id": "b6327558-741e-411c-866b-0eec8ea26005",
"original_transaction_amount": "10.00",
"total_refunded_amount": "10.00"
}