curl --request POST \
  --url http://sandbox.mintlify.com/pms/checkout/card-payment/validate-pin/ \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: <content-type>' \
  --header 'api-key: <api-key>' \
  --header 'api-secret: <api-secret>' \
  --data '
{
  "reference": "<string>",
  "pin": "<string>"
}
'

{
  "status": true,
  "message": "<string>",
  "data": {
    "transaction_id": "<string>",
    "status": "<string>",
    "message": "<string>"
  }
}