jwt.py: a Python JWT/JWS Library

jwt.py is a simple JWT (JSON Web Token) library for Python, with support for HS256 (HMAC-SHA256) signature using JWS (JSON Web Signature). It is distributed as a single file module and has no dependencies other than the Python Standard Library.

Minimum required runtime version is Python 3.10 or newer. Python 2.x and older is not supported.

Example Usage

• how to encode and decode a JWT token with secured JWS signature:

>>> import jwt
>>> token = jwt.encode({'data': 'foo'}, 'bar')
>>> print(token)
eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJkYXRhIjoiZm9vIn0.TjQsNFjqfo-QW4jobI-p0xF6PYPWXXudVkluuu7rXhM
>>> jwt.decode(token, 'bar')
{'data': 'foo'}

• how to encode and decode a JWT token without (unsecured) JWS signature:

>>> import jwt
>>> token = jwt.encode({'data': 'foo'}, None)
>>> print(token)
eyJ0eXAiOiJKV1QiLCJhbGciOiJub25lIn0.eyJkYXRhIjoiZm9vIn0
>>> jwt.decode(token, None)
{'data': 'foo'}