---
id: reflex-base
version: "0.9.8"
license: Apache-2.0
license_treatment: permissive
maintenance: active
---

# reflex-base — Core types for the Reflex framework.

License: permissive · Maintenance: active · Downloads: 297.9K/mo

## What it is and what it does

reflex-base is a foundational package that supplies core type definitions and shared utilities for the Reflex framework. It serves as a lightweight dependency layer, providing the type infrastructure that Reflex applications and other framework components rely on. The package depends on pydantic for data validation, rich for terminal output formatting, platformdirs for cross-platform directory handling, packaging for version management, and typing-extensions for modern type hints.

This is a support library rather than an end-user tool—it exists to reduce duplication and establish a consistent type contract across the Reflex ecosystem. If you are building with Reflex, you will likely install this as a transitive dependency; direct installation is most relevant for framework developers or those building Reflex extensions.

Use it for:

- Building Reflex applications that depend on shared type definitions and utilities
- Developing extensions or plugins for the Reflex framework
- Ensuring type safety and consistency across Reflex-based projects

## Worth the install?

AI-flagged interpretation of the facts above — verify before relying.

Provides core type definitions and shared utilities for the Reflex framework.

Yes, if you are using Reflex—it will be installed automatically as a dependency. Direct installation is unnecessary for typical Reflex users but may be relevant for framework contributors or those building Reflex extensions. No known security vulnerabilities and low install friction make it safe to include.

## Install

pip install reflex-base
uv add reflex-base
poetry add reflex-base

## Installing reflex-base

Before you install: Low install friction with five lightweight runtime dependencies (packaging, platformdirs, pydantic, rich, typing-extensions). Package is actively maintained with a release within the last 10 days.

License in practice: Licensed under Apache-2.0 (permissive), allowing free use, modification, and distribution with minimal restrictions.

Quickstart:

pip install reflex-base

from reflex_base import ...

Requires Python >=3.10

Verify before relying:

- Whether this package is intended for direct use or primarily as a transitive dependency
- What specific type definitions and utilities are provided beyond framework core needs

## Package facts

- License: Apache-2.0 (permissive)
- Python support: supports_current
- Install friction: low
- Maintenance: active
- Downloads: 297.9K/month (top 15,000 on PyPI)
- Known vulnerabilities: none known

## Tags

reflex framework types, reflex core types, reflex base types, reflex framework utilities, reflex type definitions, reflex-ecosystem, type-definitions

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