To use this code:

1. Create a `.env` file in the root directory with your configuration:
```env
API_KEY=your_api_key
OPENAI_API_KEY=your_openai_api_key
DATABASE_URL=your_database_url
SECRET_KEY=your_secret_key
```

2. Install the requirements:
```bash
pip install -r requirements.txt
```

3. Run the API:
```bash
uvicorn api.endpoints:app --reload
```

This code provides a foundation for:
- Processing and analyzing CRM data
- Generating marketing content using AI
- Answering NLP and Timeline Therapy questions
- Securing the application
- Validating data
- Exposing functionality through API endpoints