Welcome to Windback

Windback helps SaaS businesses detect subscription cancellations and recover churned customers using AI-generated personalized emails.

What Windback Does

1. Detects cancellations — Receives webhooks from Stripe, Razorpay, and other payment providers when subscriptions are cancelled.
2. Analyzes context — Captures customer data, tenure, plan details, and cancellation reasons.
3. Generates recovery emails — AI creates 9 personalized email variants using different strategies (discounts, feature highlights, founder outreach, etc.).
4. Sends and tracks — Send emails with one click and track recovery outcomes.

Key Features

• Universal webhooks — Stripe, Razorpay, Paddle, PayPal, and custom providers
• AI recovery engine — GPT-4o generates personalized winback emails
• Cancellation widget — Embed a lightweight JS widget to capture reasons
• Recovery dashboard — Track MRR at risk, recovery rate, and event outcomes
• Developer-first — RESTful API with SDKs for Node.js, Python, and Go
• Resilient by design — Webhooks never fail, widgets always work, even if your subscription expires

Quick Links

• Quickstart Guide — Get set up in 5 minutes
• Authentication — JWT auth and API keys
• API Reference — Full endpoint documentation
• Integrations — Connect your payment provider