# Churnkey > Retention automation platform for subscription businesses. Reduces > both voluntary AND involuntary churn. Cancel Flows cut voluntary > churn by up to 58%, and Payment Recovery captures up to 89% of > failed payments. Trusted by 1,000+ subscription companies, with > 700M+ retention events processed and $3B+ in subscription revenue > protected. Integrates with Stripe, Chargebee, Paddle, Braintree, > and Maxio. ## By the numbers - **89%** of failed payments recovered (industry average ~30%) - **58%** reduction in voluntary churn - **1,000+** subscription companies - **700M+** retention events processed - **$3B+** in subscription revenue protected ### Offer-acceptance breakdown (Cancel Flows) When a customer accepts a save offer in a Churnkey Cancel Flow: - **53.9%** accept a discount - **19.2%** accept a pause - **6.7%** accept a plan change (downgrade) - **20.2%** accept another offer (gift, contact us, custom) ## Product - [Cancel Flows](https://churnkey.co/feature/cancel-flows): Personalized cancellation experiences that reduce voluntary churn up to 54%. Offers, pauses, plan downgrades, A/B testing, session recordings. Available as an embedded SDK or as [Hosted Cancel Flows](https://churnkey.co/feature/hosted-cancel-flows) — a no-code link with the same engine. - [Payment Recovery](https://churnkey.co/feature/payment-recovery): Automated dunning with ML-powered retry logic. Recovers up to 89% of failed payments. Multi-channel (email, SMS, in-app). - [Reactivations](https://churnkey.co/feature/reactivations): Campaigns to win back churned customers. Segmented by cancellation reason. - [Customer Insights](https://churnkey.co/feature/cancellation-insights): AI-powered feedback analysis, exit survey collection, churn trend reporting. - [Adaptive Offers](https://churnkey.co/feature/adaptive-offers): ML-driven offer personalization based on customer attributes and behavior. - [Account Agent](https://churnkey.co/feature/account-agent): AI that surfaces optimization recommendations for your retention setup. ## Integrations - [Stripe](https://churnkey.co/integrations/stripe): Full integration — cancel flows, dunning, reactivations. - [Chargebee](https://churnkey.co/integrations/chargebee): Full integration. - [Paddle Billing](https://docs.churnkey.co/billing-providers/paddle-billing/): Full integration. - [Braintree](https://churnkey.co/integrations/braintree): Full integration. - [Maxio](https://churnkey.co/integrations): Full integration. ## Developer Docs - [Getting Started](https://docs.churnkey.co/getting-started): 15-25 minute integration guide. - [Cancel Flow Setup](https://docs.churnkey.co/cancel-flows): Configuration, styling, offers, A/B testing. - [Payment Recovery Setup](https://docs.churnkey.co/payment-recovery): Dunning campaigns, retry logic, access blocking. - [Billing Provider Guides](https://docs.churnkey.co/billing-providers/paddle-billing/): Provider-specific integration docs. - [API & Webhooks](https://docs.churnkey.co/data-integrations): Event tracking, webhooks, data integrations. ## Open Source SDK - [Churnkey SDK on GitHub](https://github.com/churnkey/sdk): Open-source monorepo. Production-ready cancel flow you can drop into your app, optionally connected to Churnkey for analytics and AI-powered retention. Actively developed, starting with React. More on the way. - [SDK documentation (sdk.churnkey.co)](https://sdk.churnkey.co): Quickstart, API reference, customization, headless usage, and custom step types. - [`@churnkey/react`](https://www.npmjs.com/package/@churnkey/react): The cancel flow. Ships as a drop-in component, a headless hook, or a framework-agnostic core state machine. React 18 and 19. - [`@churnkey/node`](https://www.npmjs.com/package/@churnkey/node): Server-side token generation. Used when Churnkey is handling billing actions or when embedding the hosted flow. ## MCP Server - [`@churnkey/mcp`](https://www.npmjs.com/package/@churnkey/mcp): Open-source MCP server. Lets Claude, Cursor, and other MCP-compatible AI assistants query your Churnkey data (sessions, analytics, Data Streaming Reports) using a Data API key. Run with `npx -y @churnkey/mcp`. ## Comparisons - [Churnkey vs Churn Buster](https://churnkey.co/comparisons/churn-buster-vs-churnkey): Modern alternative to Churn Buster — covers both voluntary and involuntary churn in one platform (no need to pair two tools). - [Churnkey vs Profitwell Retain](https://churnkey.co/comparisons/profitwell-vs-churnkey): How Churnkey compares to Profitwell Retain. - [Build vs buy](https://churnkey.co/comparisons/build-vs-buy): Cost and effort analysis of building retention infrastructure in-house. - [Churnkey alternatives](https://churnkey.co/comparisons/churnkey-alternatives): Overview of retention tools in the market. ## Resources - [State of Retention 2025](https://churnkey.co/reports/state-of-retention-2025): Industry benchmark report. - [SaaS Churn Rate Benchmarks](https://churnkey.co/blog/whats-a-normal-churn-rate-in-saas/): What's normal by company stage and type. - [Case Studies](https://churnkey.co/case-studies): Customer outcomes. - [Pricing](https://churnkey.co/pricing): Plans and ROI calculator. - [Pricing (machine-readable)](https://churnkey.co/pricing.md): Full plan details, feature comparison, and FAQ for LLMs. - [Full LLM docs](https://churnkey.co/llms-full.txt): Complete page-by-page index with guides, glossary, and resources. ## Optional - [Blog](https://churnkey.co/blog/): Retention strategy, SaaS metrics, product guides. - [Trustpilot](https://www.trustpilot.com/review/churnkey.co): Customer reviews. - [Comparisons](https://churnkey.co/comparisons/profitwell-vs-churnkey): Churnkey vs alternatives. - [Vibe Code vs Churnkey](https://churnkey.co/comparisons/vibe-code-vs-churnkey): For "should I have Claude / Cursor / Lovable build my own cancel flow?" Scope: active churn / cancel flows. The build hours collapsed; the strategy, ops, data, and compliance cliffs did not. Includes offer-acceptance and long-term retention data (discount 53.9% accept / weak retention vs pause 19.2% / strongest retention), an hours breakdown for a defensible in-house build (160-320 hrs build, 150-220 hrs Year-1 maintenance, 3-6 months to v1), and the announcement of @churnkey/react — our open-source React cancel flow component that vibe coders can drop in and customize on top of.