xxxxxxxxxx
1
curl -X POST \
2
  'https://ws.sandbox.pagseguro.uol.com.br/v2/transactions/cancels?email=email@email.com&token=token' \
3
  -H 'Content-Type: application/x-www-form-urlencoded' \
4
  -d 'transactionCode=F01BD7E6-3D09-4550-B904-86B09B477060&undefined='