> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/iii-hq/sdk/llms.txt
> Use this file to discover all available pages before exploring further.

# Installation

> Install the III SDK for Python

## Requirements

The III SDK for Python requires **Python 3.10 or higher**.

## Install via pip

Install the core SDK:

```bash theme={null}
pip install iii-sdk
```

## Optional Dependencies

### OpenTelemetry Support

To enable distributed tracing, metrics, and logging with OpenTelemetry:

```bash theme={null}
pip install iii-sdk[otel]
```

This installs:

* `opentelemetry-api>=1.25`
* `opentelemetry-sdk>=1.25`

### Development Dependencies

For development and testing:

```bash theme={null}
pip install iii-sdk[dev]
```

This includes:

* `pytest>=8.0`
* `pytest-asyncio>=0.23`
* `mypy>=1.8`
* `ruff>=0.2`
* OpenTelemetry packages

## Core Dependencies

The SDK includes these core dependencies:

* **websockets** (>=12.0) - WebSocket client for III Engine communication
* **pydantic** (>=2.0) - Data validation and serialization

## Verify Installation

Verify the SDK is installed correctly:

```python theme={null}
import iii
print(iii.__version__)
```

## Next Steps

<Card title="Quickstart" icon="rocket" href="/python/quickstart">
  Build your first III application in Python
</Card>