This service is still alpha/beta at best. I tried them and I got customers with double charges, missing emails, and their interface is difficult to understand and make use of. Give them one more year before trying.
At the same time it's being used for https://realpython.com which has millions of monthly views and an unknown (but likely high) amount of developers paying for their subscription through Paddle.
If you want to hear a success story about it, we talked about it when Dan (the guy who runs Real Python) went over his entire tech stack on this podcast: https://runninginproduction.com/podcast/4-real-python-is-one...
36:36 is when the Paddle bits starts.
Did you have a bad experience with it? If so, how long ago was that? I was thinking about using it on a future project.