It's good to learn you're using QuickBooks to streamline your work. The program offers the flexibility that allows you to connect your favourite apps so you can seamlessly sync your data. I'll be happy to steer you in the right direction.
The good thing about QuickBooks is you can sync your SaasAnt transactions using a third-party app which you can find on our app store using this link here. Once you've successfully connected the app, I recommend you to check out this article which shows you how to import your transactions into QB Online.
You can also upload Excel files into QuickBooks and I encourage you to check out this article here that shows you how. Let me know if this info here helps. I'll be here in case you have other questions.