Amend preview does not show the AppliedToChargeNumber?

[Jyoti_Sinha]

In a specific scenario, Amend preview rest call response does not show the AppliedToChargeNumber. Please check below solution for further details.

[Jyoti_Sinha]

The rest api proxy default refer to soap version 79. The AppliedToChargeNumber is available from Version 80. 
Please add a header field "X-Zuora-WSDL-Version": 80 and then the REST AMEND Preview call response will display AppliedToChargeNumber