How do I use JWT for API authentication?

How do I use JWT for API authentication?

JWT, or JSON Web Tokens, are a compact way to securely transmit information between parties. You can use them for API authentication by issuing a token upon user login.

What are the steps to implement JWT in my API?

First, you'll need to create a login endpoint that verifies user credentials. If valid, generate a JWT and send it back to the user.

How do I secure my API endpoints with JWT?

You can secure your endpoints by requiring the JWT in the Authorization header. Validate the token on each request to ensure it's valid.

What libraries can I use to handle JWT in my application?

There are several libraries available, such as jsonwebtoken for Node.js, PyJWT for Python, and jwt-simple for Java.