Installation

Requirements

FastPII requires Python 3.10 or newer.

Core install

Install the base SDK:

pip install fastpii

Package details:

• package name: fastpii
• version: 0.2.4.1
• requires Python: >=3.10
• zero core dependencies

Optional integrations

Install optional extras only when you need them.

FastAPI integration

pip install fastpii[fastapi]

LangChain integration

pip install fastpii[langchain]

All optional integrations

pip install fastpii[all]

Verify the SDK install

python -c "from fastpii import PrivacyGuard; print('OK')"

Expected output:

OK

Verify the CLI

fastpii list-detectors

This should print the available built-in detectors for region cz.

Development install from source

git clone https://github.com/fastpii/fastpii.git
cd fastpii
pip install -e ".[dev]"

This installs the package in editable mode together with development tools such as pytest, ruff, and mypy.