Changes to Estorna uma transação de pagamento de contas efetuada

for the path request parameter transactionId, the type changed from string to integer, and format from no format to int32

the response's body type changed from no type to object for status 400

removed the media type application/json for the response with the status 500

the response property errorCode became nullable for the status 200

the response property message became nullable for the status 200

api operation id estornar-uma-transação-de-pagamento-de-contas-efetuada removed and replaced with

the endpoint scheme security Bearer was added to the API

api tag billpayments added

removed subschema #1: FALHA NA COMUNIC COM A INSTITUICAO. subschema #2: O status dessa transacao nao permite cancelamento subschema #3: Liquidante nao permite cancelamento subschema #4: Nao foi possivel realizar o cancelamento. Pagamento ja processado subschema #5: Transacao nao encontrada from the response body oneOf list for the response status 400

added the non-success response with the status 401

added the optional property errorCode to the response with the 400 status

added the optional property message to the response with the 400 status

the status response's property default value 0 was removed for the status 200