curl --request POST \
  --url https://api.contro.me/v1/partner/sandbox/simulate-transaction \
  --header 'Content-Type: application/json' \
  --header 'x-contro-api-key: <api-key>' \
  --data '
{
  "cardId": "card_sandbox_123",
  "amount": 2500,
  "currency": "USD",
  "merchantName": "Test Coffee Shop"
}
'

{
  "transactionId": "<string>",
  "amount": 123,
  "currency": "<string>",
  "status": "<string>"
}