Mainframe wires Gumroad, Lemon Squeezy and Stripe into one store view. Recovers abandoned carts, bundles slow-movers with hits, emails past buyers the right next thing.
Start free → See all appsPulled live from the tools you already use. One glance, every surface.
Event happens. Mainframe picks the right adapter. It executes.
Cart idle 2h → email with social proof + 10% off, 24h expiry.
Hit SKU + 2 slow SKUs → auto-bundle at 15% off, test for 7 days.
Past buyer 30d later → recommend complementary SKU in their voice.
Bring your credential. Pay per call. Swap any one without breaking the others.
Every template is a starting point. Rename, reskin, re-route. Your copy, your APIs, your customers.
Start free → Browse all templates