How can I implement JWT authentication in a Node.js API?
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How can I implement JWT authentication in a Node.js API?
To implement JWT authentication in a Node.js API, you need to install the jsonwebtoken package and set up your routes.
What are the steps to generate a JWT token?
First, create a user login route, then validate the user's credentials, and finally use jsonwebtoken to sign a token.
How do I protect my routes using JWT?
You can create a middleware function that checks for the token in the request headers and verifies it before allowing access.
What should I do if the token is expired?
You should handle token expiration by sending a response indicating that the token is invalid and prompting the user to log in again.
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