Thanks for sharing this! I had done a PWA that displays some revenue forecasting[1] based on Stripe Subscriptions but I found their APIs can be slow[2]. Having that data synced up in a db sounds like a good enhancement so will definitely look into this more.
[1] https://github.com/hbcondo/revenut-app
[2] https://github.com/stripe/stripe-dotnet/issues/2284#issuecom...