Pushing voucher used to API

a:5:{s:5:”APIId”;s:36:”5642F7AA-8344-4C7B-B149-72FC49F30A53″;s:6:”APIKey”;s:24:”2XeaQij8lcA2UaAF8Ce9hw==”;s:10:”CardNumber”;s:14:”TO-CS-00000024″;s:13:”externalrefno”;s:0:””;s:9:”VoucherID”;s:8:”pzrmzpnh”;}