REST API or SOAP webservice for Updating Customer Site End-Date

Summary:

Is there a REST API or SOAP webservice available for UPDATING Customer Site End-date?

We have found sample payloads close to our requirements but we will need the exact path to be used for the above.

In addition to this, we would like to know whether the same is possible for a BULK Update on Customer Site End-date through REST API or SOAP webservice. If yes, kindly provide the exact path to be used.

Content (please ensure you mask any confidential information):

REST API or SOAP webservice available for UPDATING Customer Site End-date

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