Security
JWT
JSON Web Token, a compact way to securely transmit information between parties as a signed JSON object.
Why it matters
- Enables stateless authentication
- Can include user claims and metadata
- Works across different domains
When to use
- For API authentication
- When you need stateless sessions
- For single sign-on implementations
Common mistakes
- Storing sensitive data in the payload
- Not validating tokens properly
- Using weak signing secrets
Related terms
Need help implementing?
Ready to build with JWT?
Let us help you implement this in your project.