Question

Is it possible to process multiple files within one job via API?

Answer

In SOAP API you may use the method POST /api/workflows/{workflowName}/input/files to process multiple files within one job: 

 
Find a more detailed description in the article below: 
https://help.abbyy.com/en-us/finereaderserver/14/api_help/workflows_controller/
 
Note: there is no counterpart SOAP method.