# Java JWT
**Wikidata**: [Q117780019](https://www.wikidata.org/wiki/Q117780019)  
**Source**: https://4ort.xyz/entity/java-jwt

## Summary
Java JWT (JSON Web Token) is an open-source Java library for creating, parsing, and validating JWTs, which are compact, URL-safe tokens used for secure authentication and information exchange. Released under the Apache Software License 2.0, it is maintained on GitHub and has evolved through multiple versions since its initial release in 2014.

## Key Facts
- **Use**: Java JWT is designed for handling JSON Web Tokens (JWTs), a standard for securely transmitting information between parties.
- **License**: The project is licensed under the Apache Software License 2.0, as verified by GitHub.
- **Initial Release**: Version 0.1 was released on September 20, 2014.
- **Latest Version**: As of 2023-04-19, the most recent release is version 0.9.0, published on July 5, 2018.
- **Repository**: The source code is hosted on GitHub at [https://github.com/jwtk/jjwt](https://github.com/jwtk/jjwt).
- **Classification**: Java JWT is classified as software, specifically a non-tangible executable component of a computer system.
- **Versions**: The library has been updated multiple times, with releases occurring as frequently as every few months, reflecting ongoing development and maintenance.

## FAQs
### Q: What is Java JWT used for?
A: Java JWT is used to create, parse, and validate JSON Web Tokens (JWTs), which are compact and URL-safe tokens for secure authentication and data transmission.

### Q: Who maintains Java JWT?
A: The project is maintained by contributors on GitHub, with the repository hosted at [https://github.com/jwtk/jjwt](https://github.com/jwtk/jjwt).

### Q: What license does Java JWT use?
A: Java JWT is licensed under the Apache Software License 2.0, as confirmed by the project's GitHub repository.

### Q: When was the first version of Java JWT released?
A: The initial version, 0.1, was released on September 20, 2014.

### Q: How many versions of Java JWT have been released?
A: As of 2023-04-19, there have been 10 versions released, with the latest being 0.9.0.

## Why It Matters
Java JWT plays a crucial role in modern web development by providing a reliable and secure way to handle authentication and data exchange. JWTs are widely used in APIs and web applications to ensure that data transmitted between clients and servers is tampered with. The Java JWT library simplifies the process of generating and validating these tokens, making it easier for developers to implement secure authentication mechanisms. Its open-source nature allows for community contributions and continuous improvement, ensuring that it remains a relevant tool in the field of web security. The project's adherence to the Apache License 2.0 promotes widespread adoption and modification, further enhancing its utility in diverse development environments.

## Notable For
- **Open-Source Development**: Java JWT is an open-source project hosted on GitHub, allowing for community contributions and continuous updates.
- **Apache License 2.0**: The project is licensed under the Apache License 2.0, which is permissive and encourages widespread use and modification.
- **Multiple Versions**: The library has been updated multiple times since its initial release, reflecting ongoing development and maintenance.
- **Secure Token Handling**: Java JWT specializes in creating and validating JWTs, which are essential for secure authentication and data transmission.
- **GitHub Repository**: The project's source code is hosted on GitHub, providing transparency and accessibility for developers.

## Body
### Overview
Java JWT is a Java library designed for handling JSON Web Tokens (JWTs), a compact and URL-safe method for securely transmitting information between parties. The project is licensed under the Apache Software License 2.0 and is maintained on GitHub.

### Development History
The initial version, 0.1, was released on September 20, 2014. Since then, the library has been updated multiple times, with the latest version, 0.9.0, released on July 5, 2018. The project has seen regular releases, with updates occurring as frequently as every few months.

### Technical Details
Java JWT is classified as software, specifically a non-tangible executable component of a computer system. The source code is hosted on GitHub at [https://github.com/jwtk/jjwt](https://github.com/jwtk/jjwt). The project's repository includes all necessary documentation and resources for developers to use and contribute to the library.

### Versions
The library has been released in multiple versions, each with its own set of features and improvements. The versions include:
- 0.1 (September 20, 2014)
- 0.2 (September 27, 2014)
- 0.3 (October 29, 2014)
- 0.4 (November 20, 2014)
- 0.5 (May 13, 2015)
- 0.5.1 (June 26, 2015)
- 0.6.0 (October 14, 2015)
- 0.7.0 (September 13, 2016)
- 0.8.0 (September 26, 2017)
- 0.9.0 (July 5, 2018)

### Significance
Java JWT is significant in the field of web development and security due to its role in simplifying the process of generating and validating JWTs. These tokens are essential for secure authentication and data transmission in modern web applications. The library's open-source nature and adherence to the Apache License 2.0 promote widespread adoption and modification, making it a valuable tool for developers.

## References

1. [Source](https://api.github.com/repos/jwtk/jjwt)
2. [Release 0.1. 2014](https://github.com/jwtk/jjwt/releases/tag/0.1)
3. [Release 0.2. 2014](https://github.com/jwtk/jjwt/releases/tag/0.2)
4. [Release 0.3. 2014](https://github.com/jwtk/jjwt/releases/tag/0.3)
5. [Release 0.4. 2014](https://github.com/jwtk/jjwt/releases/tag/0.4)
6. [Release 0.5. 2015](https://github.com/jwtk/jjwt/releases/tag/0.5)
7. [Release 0.5.1. 2015](https://github.com/jwtk/jjwt/releases/tag/0.5.1)
8. [Release 0.6.0. 2015](https://github.com/jwtk/jjwt/releases/tag/0.6.0)
9. [Release 0.7.0. 2016](https://github.com/jwtk/jjwt/releases/tag/0.7.0)
10. [Release 0.8.0. 2017](https://github.com/jwtk/jjwt/releases/tag/0.8.0)
11. [Release 0.9.0. 2018](https://github.com/jwtk/jjwt/releases/tag/0.9.0)
12. [Release 0.9.1. 2018](https://github.com/jwtk/jjwt/releases/tag/0.9.1)
13. [Release 0.10.0. 2018](https://github.com/jwtk/jjwt/releases/tag/0.10.0)
14. [Release 0.10.1. 2018](https://github.com/jwtk/jjwt/releases/tag/0.10.1)
15. [Release 0.10.2. 2018](https://github.com/jwtk/jjwt/releases/tag/0.10.2)
16. [Release 0.10.3. 2018](https://github.com/jwtk/jjwt/releases/tag/0.10.3)
17. [Release 0.10.4. 2018](https://github.com/jwtk/jjwt/releases/tag/0.10.4)
18. [Release 0.10.5. 2018](https://github.com/jwtk/jjwt/releases/tag/0.10.5)
19. [Release 0.10.6. 2019](https://github.com/jwtk/jjwt/releases/tag/0.10.6)
20. [Release 0.10.7. 2019](https://github.com/jwtk/jjwt/releases/tag/0.10.7)
21. [Release 0.10.8. 2020](https://github.com/jwtk/jjwt/releases/tag/0.10.8)
22. [Release 0.11.0. 2020](https://github.com/jwtk/jjwt/releases/tag/0.11.0)
23. [Release 0.11.1. 2020](https://github.com/jwtk/jjwt/releases/tag/0.11.1)
24. [Release 0.11.2. 2020](https://github.com/jwtk/jjwt/releases/tag/0.11.2)
25. [Release 0.11.3. 2022](https://github.com/jwtk/jjwt/releases/tag/0.11.3)
26. [Release 0.11.4. 2022](https://github.com/jwtk/jjwt/releases/tag/0.11.4)
27. [Release 0.11.5. 2022](https://github.com/jwtk/jjwt/releases/tag/0.11.5)
28. [Release 0.12.0. 2023](https://github.com/jwtk/jjwt/releases/tag/0.12.0)
29. [Release 0.12.1. 2023](https://github.com/jwtk/jjwt/releases/tag/0.12.1)
30. [Release 0.12.2. 2023](https://github.com/jwtk/jjwt/releases/tag/0.12.2)
31. [Release 0.12.3. 2023](https://github.com/jwtk/jjwt/releases/tag/0.12.3)
32. [Release 0.12.4. 2024](https://github.com/jwtk/jjwt/releases/tag/0.12.4)
33. [Release 0.12.5. 2024](https://github.com/jwtk/jjwt/releases/tag/0.12.5)
34. [Release 0.12.6. 2024](https://github.com/jwtk/jjwt/releases/tag/0.12.6)
35. [Release 0.12.7. 2025](https://github.com/jwtk/jjwt/releases/tag/0.12.7)
36. [Release 0.13.0. 2025](https://github.com/jwtk/jjwt/releases/tag/0.13.0)