With WebAutomation you can upload a list of URL's as starter links to run in your extractor
How to upload files
Before uploading files make sure that they are individual product pages/category pages or search urls (depending on what the extractor supports). File format also must be in .txt. Any duplicate links will be dropped, Any links that don't belong to domain of extractor will also be dropped.
Navigate to the Extractor view and select the extractor you wanted
In the Starter links navigation, click Upload Files
Browse your computer's hard drive for files to upload. Select your files and click Open