Is there any webservice for updating period amounts in financial project plan?

Summary:

We need to bulk update the period amounts for planned resources in financial project plan, is there any REST API or SOAP webservice available

Content (required):

We need to bulk update the period amounts for planned resources in financial project plan, is there any REST API or SOAP webservice available

Version (include the version you are using, if applicable): 22B

Code Snippet (add any code snippets that support your topic, if applicable):