Pushing voucher used to API

a:5:{s:5:”APIId”;s:36:”0884DD12-6F51-417B-8529-B3BC8D0AB3CE”;s:6:”APIKey”;s:24:”fbi3ct8ndplR4J/vyLdCJg==”;s:10:”CardNumber”;s:14:”TO-CS-00000048″;s:13:”externalrefno”;s:0:””;s:9:”VoucherID”;s:8:”tbuat100″;}