PyJWT

What it is

PyJWT is a Python implementation of the JWT standard. It allows developers to encode and decode JWTs, providing secure token-based authentication in web applications.

PyJWT stands out as a simple and efficient library specifically tailored for handling JSON Web Tokens in Python applications.

When it fits — and when it doesn’t

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

1. 01

   Limited support for advanced JWT features

   PyJWT lacks built-in support for more complex JWT functionalities such as JWK sets, token refreshing, and audience validation without additional libraries.

2. 02

   Documentation is sparse on practical examples

   The official documentation focuses mainly on API reference but lacks comprehensive guides or tutorials for real-world use cases.

3. 03

   Performance can be an issue at scale

   PyJWT's performance in high-throughput environments may degrade due to its pure Python implementation, which is slower compared to C-based alternatives like PyCryptodomex or Cryptography.

4. 04

   Security updates and maintenance can be inconsistent

   While open-source, the project's update frequency and responsiveness to security issues can vary, potentially leaving users vulnerable if they do not actively track releases.

What it does well

• Supports encoding and decoding of JWTs

• Provides algorithms for signing tokens (HS256, RS256)

• Offers utilities to handle token expiration

Pricing

Free tier

YesOpen source — free to use

Paid from

$0

Model

Flat rate

Enterprise plan

No

Pricing not independently confirmed — check the vendor’s page.