SyncStaq sells the pipe instead of the dashboard.

#9 on Product Hunt with 107 upvotes, syncing Stripe billing data continuously into Google Sheets. Small launch, recurring pattern: rather than build a revenue-analytics UI, keep the incumbent's spreadsheet as the interface. It's a direct wedge under ChartMogul/Baremetrics-tier subscription analytics, and it survives the agent era better than a dashboard does, because a spreadsheet is already a thing an agent can read and write.