How to update receipt method for Credit memo through Webservice

Summary:

We need to update the receipt method for the AR Credit memo could you please suggest which webservice we can use.

We need to update the Credit memo with webservice, Currently we are using below Webservice to update the receipt method for AR Invoice but same is not working for Credit memo.

Webservice : /fscmService/RecInvoiceService?WSDL

Content (please ensure you mask any confidential information):

We need to update the Credit memo with webservice, Currently we are using below Webservice to update the receipt method for AR Invoice but same is not working for Credit memo.

Webservice : /fscmService/RecInvoiceService?WSDL