# 🚀 FastAPI AI Detector

A production-ready FastAPI app for detecting AI vs. human-written text in English and Nepali. It uses GPT-2 and SentencePiece-based models, with Bearer token security.

## 📂 Documentation

- [Project Structure](docs/structure.md)
- [API Endpoints](docs/api_endpoints.md)
- [Setup & Installation](docs/setup.md)
- [Deployment](docs/deployment.md)
- [Security](docs/security.md)
- [NestJS Integration](docs/nestjs_integration.md)
- [Core Functions](docs/functions.md)

## ⚡ Quick Start
```bash
uvicorn app:app --host 0.0.0.0 --port 8000
```
## 🚀 Deployment

- **Local**: Use `uvicorn` as above.
- **Railway/Heroku**: Use the provided `Procfile`.
- **Hugging Face Spaces**: Use the `Dockerfile` for container deployment.

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## 💡 Tips

- **Model files auto-download at first start** if not found.
- **Keep `requirements.txt` up-to-date** after adding dependencies.
- **All endpoints require the correct `Authorization` header**.
- **For security**: Avoid committing `.env` to public repos.

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