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

# Installation

> Install the HTTPayer Python SDK

## Requirements

* Python 3.10+
* pip or uv package manager

## Install via pip

```bash theme={null}
pip install httpayer
```

## Install via uv

```bash theme={null}
uv add httpayer
```

## Environment Setup

Create a `.env` file with your credentials:

```env theme={null}
# Proxy mode (API key)
HTTPAYER_API_KEY=your-api-key

# Relay mode (private keys)
EVM_PRIVATE_KEY=0x...
SOLANA_PRIVATE_KEY=base58-key
SOLANA_KEYPAIR=[64,bytes,array,...]
```

## Verify Installation

```python theme={null}
from httpayer import HTTPayerClient

print("HTTPayer SDK installed successfully!")
```

## Next Steps

* [Quick Start Guide](/sdks/python/quickstart)