---
title: Chronos2 Forecasting API
emoji: 📊
colorFrom: blue
colorTo: green
sdk: docker
app_file: Dockerfile.spaces
app_port: 7860
---

# Chronos2 Excel Forecasting API

Time series forecasting API powered by Amazon Chronos-2 model with Excel Add-in support.

## Features

- ✅ **Univariate & Multivariate Forecasting** - Multiple time series support
- ✅ **Anomaly Detection** - Detect outliers in your data
- ✅ **Backtesting** - Validate forecast accuracy
- ✅ **Excel Add-in** - Direct integration with Microsoft Excel
- ✅ **Interactive Charts** - Visualize forecasts and anomalies
- ✅ **REST API** - Easy integration with any platform

## Quick Start

### API Endpoints

- **Health Check**: `GET /health`
- **Documentation**: `GET /docs`
- **Univariate Forecast**: `POST /forecast/univariate`
- **Multivariate Forecast**: `POST /forecast/multivariate`
- **Anomaly Detection**: `POST /forecast/anomaly`
- **Backtesting**: `POST /forecast/backtest`

### Excel Add-in

Load the add-in in Excel:
1. Insert → Add-ins → Upload My Add-in
2. Paste URL: `https://ttzzs-chronos2-excel-forecasting-api.hf.space/manifest.xml`

### Example API Call

```bash
curl -X POST https://ttzzs-chronos2-excel-forecasting-api.hf.space/forecast/univariate \
  -H "Content-Type: application/json" \
  -d '{
    "values": [100, 102, 105, 108, 110],
    "prediction_length": 3,
    "model_id": "amazon/chronos-2"
  }'
```

## Architecture

Built with Clean Architecture principles:
- **Domain Layer** - Business logic and entities
- **Application Layer** - Use cases and services
- **Infrastructure Layer** - External dependencies (ML models, storage)
- **API Layer** - FastAPI routes and DTOs

## Technology Stack

- **Framework**: FastAPI 0.115.5
- **ML Model**: Amazon Chronos-2 (Transformer-based forecasting)
- **Python**: 3.10+
- **Docker**: Optimized multi-stage build

## License

MIT License

## Support

For issues and questions, visit the [GitHub repository](https://github.com/vargasjosej/aprender_ai/tree/refactor/solid-architecture/chronos2-server).