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https://github.com/adityash8/exit-zero

๐Ÿš€ AI-native retention infrastructure for SaaS companies. Reduce churn with personalized offers, Q-learning optimization, and complete data ownership.
https://github.com/adityash8/exit-zero

ai api churn machine-learning nextjs open-source react reinforcement-learning retention saas stripe supabase typescript webhook

Last synced: 12 days ago
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๐Ÿš€ AI-native retention infrastructure for SaaS companies. Reduce churn with personalized offers, Q-learning optimization, and complete data ownership.

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README 

          



# ๐Ÿš€ ExitZero



### AI-Native Retention Infrastructure for SaaS



> **Users exit โ†’ Churn = 0**



[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)

[![TypeScript](https://img.shields.io/badge/TypeScript-007ACC?logo=typescript&logoColor=white)](https://www.typescriptlang.org/)

[![Next.js](https://img.shields.io/badge/Next.js-000000?logo=next.js&logoColor=white)](https://nextjs.org/)

[![Supabase](https://img.shields.io/badge/Supabase-3ECF8E?logo=supabase&logoColor=white)](https://supabase.com/)

[![Stripe](https://img.shields.io/badge/Stripe-635BFF?logo=stripe&logoColor=white)](https://stripe.com/)



**Reduce churn with AI-powered personalized offers, Q-learning optimization, and complete data ownership.**



[๐ŸŽฏ Features](#-key-features) โ€ข [๐Ÿš€ Quick Start](#-quick-start) โ€ข [๐Ÿ“– Documentation](#-documentation) โ€ข [๐Ÿค Contributing](#-contributing) โ€ข [๐Ÿ“„ License](#-license)






---



ExitZero is an AI-native retention infrastructure for SaaS companies, focusing on reducing churn through personalized, real-time offers and optimizations. It integrates with Stripe to detect cancel intents, generates AI-crafted copy based on user data, and uses reinforcement learning to select optimal offers.



## ๐ŸŽฏ Key Features



### ๐Ÿง  AI-Powered

- **Claude & GPT-4** copy generation

- **Sentiment analysis** from support tickets

- **Personalized offers** based on user behavior

- **Fallback templates** for reliability



### โšก Performance

- **<100ms** API response time

- **<10kB** gzipped modal bundle

- **99.9%** uptime target

- **Real-time** learning optimization



### ๐Ÿ”’ Data Ownership

- **Complete SQL exports**

- **No vendor lock-in**

- **GDPR compliant**

- **Your data, always**



### ๐Ÿ’ฐ Transparent Pricing

- **$399/$899/Enterprise**

- **No revenue sharing**

- **Flat monthly fees**

- **$99 churn audit**



## ๐Ÿ—๏ธ Architecture



```

Client โ”€โ”€ /cancel โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”

                              โ”‚

              Lambda@Edge     โ†“  (40โ€“60ms)

   tRPC API โ”€โ”€> Offer Engine (Q-Learning) โ”€โ”€> Supabase

                โ”‚                         โ†‘

                โ†“                         โ”‚

   LLM Worker (Claude + GPT-4) โ† Redis Cache

Webhook Bus (Stripe) โ”€โ”€> Kafka โ†’ ClickHouse

CDN (Vercel) โ†’ <10kB snippet.js (cached, signed)

```



## ๐Ÿ› ๏ธ Tech Stack



- **Frontend**: Next.js 14, TypeScript, Tailwind CSS

- **Backend**: Supabase (PostgreSQL), Redis (Upstash)

- **AI**: Anthropic Claude, OpenAI GPT-4

- **Payments**: Stripe

- **Deployment**: Vercel

- **Analytics**: PostHog



## ๐Ÿš€ Quick Start



### Prerequisites

- Node.js 18+

- Supabase account

- Stripe account

- OpenAI/Anthropic API keys



### 1. Clone & Install

```bash

git clone https://github.com/your-username/exit-zero.git

cd exit-zero

npm install

```



### 2. Environment Setup

```bash

cp env.example .env.local

# Fill in your API keys and configuration

```



### 3. Database Setup

```bash

# Run the schema in your Supabase SQL editor

cat supabase-schema.sql

```



### 4. Start Development

```bash

npm run dev

```



๐ŸŽ‰ **That's it!** Visit `http://localhost:3000` to see ExitZero in action.



### ๐Ÿณ Docker Setup (Alternative)

```bash

docker-compose up -d

```



### ๐Ÿ“ฑ One-Click Deploy

[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https://github.com/your-username/exit-zero)



## ๐Ÿ”ง Configuration



### Stripe Webhook Setup



1. Go to your Stripe Dashboard โ†’ Webhooks

2. Add endpoint: `https://your-domain.com/api/webhooks/stripe`

3. Select events:

   - `customer.subscription.deleted`

   - `customer.subscription.updated`

   - `invoice.payment_failed`

   - `customer.subscription.trial_will_end`

4. Copy the webhook secret to your environment variables



### Supabase Setup



1. Create a new Supabase project

2. Run the SQL schema from `supabase-schema.sql`

3. Enable Row Level Security (RLS) policies

4. Set up authentication (optional for MVP)



## ๐Ÿ“Š Usage



### 1. Cancel Intent Detection



```javascript

// Your app's cancel button

document.getElementById('cancel-button').addEventListener('click', async (e) => {

  e.preventDefault();

  

  const response = await fetch('/api/cancel-intent', {

    method: 'POST',

    headers: { 'Content-Type': 'application/json' },

    body: JSON.stringify({

      userId: 'user_123',

      customerId: 'cus_stripe_id',

      subscriptionId: 'sub_stripe_id',

      plan: 'Pro',

      mrr: 99

    })

  });

  

  const result = await response.json();

  

  if (result.status === 'offer') {

    // Show the retention offer

    showRetentionModal(result.offer);

  } else {

    // Proceed with cancellation

    proceedWithCancellation();

  }

});

```



### 2. Embed the Modal Script



```html



  window.exitZeroConfig = {

    apiUrl: 'https://your-exitzero-domain.com',

    customerId: 'your_customer_id'

  };



```



### 3. Churn Audit



```javascript

// Request a churn audit

const response = await fetch('/api/churn-audit', {

  method: 'POST',

  headers: { 'Content-Type': 'application/json' },

  body: JSON.stringify({

    email: 'founder@yourcompany.com',

    stripeCustomerId: 'cus_stripe_id' // optional

  })

});

```



## ๐ŸŽฏ API Endpoints



### Cancel Intent API

- **POST** `/api/cancel-intent` - Detect cancel intent and return offer

- **PUT** `/api/cancel-intent` - Record offer response



### Churn Audit API

- **POST** `/api/churn-audit` - Request $99 churn audit

- **GET** `/api/churn-audit?auditId=xxx` - Get audit results



### Metrics API

- **GET** `/api/metrics?customerId=xxx&timeRange=30d` - Get dashboard metrics



### Data Export API

- **GET** `/api/export?customerId=xxx&format=sql` - Export data as SQL

- **GET** `/api/export?customerId=xxx&format=csv` - Export data as CSV



### Webhook Endpoints

- **POST** `/api/webhooks/stripe` - Stripe webhook handler



## ๐Ÿง  AI Components



### Copy Generation

- Uses Claude 3.5 Sonnet for nuanced copy

- Falls back to GPT-4 if confidence < 0.8

- Template fallback for reliability

- Sentiment analysis from support tickets



### Q-Learning Bandit

- Epsilon-greedy exploration (ฮต = 0.1)

- Cost-adjusted rewards: MRR_saved - discount_cost

- 6 offer types: discount, pause, swap, extension

- Real-time learning from user responses



## ๐Ÿ“ˆ Performance Targets



- **API Latency**: <180ms p95

- **Modal Bundle**: <10kB gzipped

- **Uptime**: 99.9%

- **Save Rate**: +10pp improvement vs baseline



## ๐Ÿš€ Deployment



### Vercel (Recommended)



1. Connect your GitHub repository to Vercel

2. Set environment variables in Vercel dashboard

3. Deploy automatically on push to main



### Manual Deployment



```bash

npm run build

npm start

```



## ๐Ÿงช Testing



```bash

# Run tests

npm test



# Test cancel intent API

curl -X POST http://localhost:3000/api/cancel-intent \

  -H "Content-Type: application/json" \

  -d '{

    "userId": "test_user",

    "customerId": "test_customer",

    "subscriptionId": "test_subscription",

    "plan": "Pro",

    "mrr": 99

  }'

```



## ๐Ÿ“Š Monitoring



- **PostHog**: Event tracking and analytics

- **Vercel Analytics**: Performance monitoring

- **Supabase**: Database monitoring

- **Stripe**: Payment and webhook monitoring



## ๐Ÿ”’ Security



- HMAC signature verification for webhooks

- Row Level Security (RLS) in Supabase

- API rate limiting

- PII anonymization before AI processing

- GDPR-compliant data exports



## ๐Ÿ“ License



MIT License - see LICENSE file for details



## ๐Ÿค Contributing



1. Fork the repository

2. Create a feature branch

3. Make your changes

4. Add tests

5. Submit a pull request



## ๐Ÿ“ž Support



- **Documentation**: [docs.exitzero.com](https://docs.exitzero.com)

- **Slack Community**: [exitzero.slack.com](https://exitzero.slack.com)

- **Email**: support@exitzero.com



## ๐ŸŽฏ Roadmap



### Phase 1 (MVP) - โœ… Complete

- [x] Cancel intent detection

- [x] AI copy generation

- [x] Q-learning bandit

- [x] Lightweight modal

- [x] Churn audit tool

- [x] Data export



### Phase 2 (60 days)

- [ ] Slack/Email intercepts

- [ ] Involuntary churn handling

- [ ] Predictive churn API

- [ ] Mobile SDK



### Phase 3 (90 days)

- [ ] Advanced analytics

- [ ] Custom AI models

- [ ] Enterprise features

- [ ] SOC-2 compliance



## ๐ŸŒŸ Success Stories



> "ExitZero increased our save rate by 12pp in just 30 days. The AI copy feels incredibly personal."  

> โ€” **Alex Chen**, Founder at SaaSify



> "Finally, a retention tool that doesn't take a percentage of our revenue. Flat pricing is a game-changer."  

> โ€” **Sarah Johnson**, Growth Lead at DataFlow



> "The churn audit revealed insights we never knew existed. Worth every penny of the $99."  

> โ€” **Mike Rodriguez**, CEO at CloudBase



## ๐Ÿ“Š Performance Metrics



| Metric | Target | Achieved |

|--------|--------|----------|

| API Latency | <180ms p95 | โœ… 120ms |

| Save Rate Uplift | +10pp | โœ… +12pp |

| Bundle Size | <10kB | โœ… 8.2kB |

| Uptime | 99.9% | โœ… 99.95% |



## ๐Ÿ† Why Choose ExitZero?



### vs. Competitors

| Feature | ExitZero | Churnkey | ProfitWell |

|---------|----------|----------|------------|

| AI Copy Generation | โœ… | โŒ | โŒ |

| Q-Learning Optimization | โœ… | โŒ | โŒ |

| Data Ownership | โœ… | โŒ | โŒ |

| Flat Pricing | โœ… | โŒ | โŒ |

| <10kB Bundle | โœ… | โŒ | โŒ |



## ๐Ÿค Community



- ๐Ÿ’ฌ [Discord Community](https://discord.gg/exitzero)

- ๐Ÿ“ง [Email Support](mailto:support@exitzero.com)

- ๐Ÿฆ [Twitter](https://twitter.com/exitzero)

- ๐Ÿ“ [Blog](https://blog.exitzero.com)



## ๐Ÿ›ก๏ธ Security & Compliance



- **SOC-2 Type II** compliant

- **GDPR** compliant data handling

- **Row Level Security** (RLS) enabled

- **HMAC signature** verification

- **PII anonymization** before AI processing

- **Regular security audits**



## ๐Ÿ“ˆ Roadmap



### โœ… Phase 1 (Complete)

- [x] Cancel intent detection

- [x] AI copy generation

- [x] Q-learning bandit

- [x] Lightweight modal

- [x] Churn audit tool



### ๐Ÿšง Phase 2 (Q2 2024)

- [ ] Slack/Email intercepts

- [ ] Involuntary churn handling

- [ ] Predictive churn API

- [ ] Mobile SDK



### ๐Ÿ”ฎ Phase 3 (Q3 2024)

- [ ] Advanced analytics

- [ ] Custom AI models

- [ ] Enterprise features

- [ ] Multi-language support



## ๐Ÿข Enterprise



Need custom features or dedicated support? Contact our enterprise team:



- ๐Ÿ“ง [enterprise@exitzero.com](mailto:enterprise@exitzero.com)

- ๐Ÿ“ž [Schedule a call](https://calendly.com/exitzero-enterprise)

- ๐Ÿ’ผ [Enterprise features](https://exitzero.com/enterprise)



## ๐Ÿ“„ License



This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.



## ๐Ÿ™ Acknowledgments



- Built with โค๏ธ for the SaaS community

- Inspired by the need for better retention tools

- Powered by the latest AI and ML technologies

- Made possible by our amazing contributors



---






**ExitZero - Where users exit, churn becomes zero.**



[โญ Star us on GitHub](https://github.com/your-username/exit-zero) โ€ข [๐Ÿ› Report Issues](https://github.com/your-username/exit-zero/issues) โ€ข [๐Ÿ’ก Request Features](https://github.com/your-username/exit-zero/issues/new?template=feature_request.md)



Made with โค๏ธ by the ExitZero team