Integrations

StripePaste a restricted, read-only Stripe key and Sumly reads every subscription and payment on the account: MRR, churn, refunds, fees and what reaches your bank. PaddleConnect Paddle Billing with an API key limited to reading. Sumly counts what you earn after tax and Paddle's fee, in the currency Paddle pays you in. Lemon SqueezySumly reads your Lemon Squeezy store: subscriptions with their real prices, one-off orders and every renewal, without counting a first payment twice. PolarGive Sumly an organization token with read scopes, and every Polar subscription and order is counted after discounts, without tax and less Polar's fee. CreemConnect a Creem key with full access switched off. Sumly reads subscriptions and transactions and counts them without tax. RevenueCatApp Store and Google Play subscriptions through RevenueCat, on the same screen as the Stripe or Paddle revenue of the same product.

React Native and ExpoOne TypeScript file, no native code. Screens, events and sign-ins from your app, next to your website's visitors and the money they bring. iOS (Swift)One Swift file, no dependencies. Count screens and events in your iPhone and iPad app and see which ones lead to a purchase. Android (Kotlin)One Kotlin file, no dependencies. Screens can count themselves, and campaign links count as the app's source through the Play install referrer.

ChatGPT and Claude (MCP)Ask ChatGPT, Claude or any assistant that speaks MCP about your MRR, payments, plans, costs and visitors. It reads with your permission and changes nothing.