Can I integrate Upscope into my software so that I can sell it to my clients?

Yes, you can do so with Upscope's Rest API. Find out more info here: https://help.upscope.io/en/articles/3280575-how-to-white-label-upscope-and-integrate-it-into-your-platform-for-1000s-of-your-clients-and-their-respective-support-agents