FastUI

lastmod 2026-11-10created 2024-06-182 edits

FastUI is a library from the Pydantic team for defining web user interfaces in Python code alone. The backend declares UI components as Pydantic models and sends them down as JSON, and prebuilt React components render them on screen, so you do not have to write JavaScript yourself. It is designed to be used with FastAPI and is suited to quickly building admin screens and form-centric tools.

Build better UIs faster.

See also

• FastAPI

Favorite site

• Github - pydantic/FastUI