How do I create APIs using Node.js and Express?

How do I create APIs using Node.js and Express?

To create APIs with Node.js and Express, you first need to set up your Node.js environment and install Express.

What are the steps to set up a basic Express server?

1. Initialize a new Node.js project with npm init. 2. Install Express using npm install express. 3. Create a server file and set up a basic server.

Can you show me a simple example of an API endpoint?

Sure! Here's a simple GET endpoint:

app.get('/api/example', (req, res) => {
  res.json({ message: 'Hello, World!' });
});

How do I handle POST requests in Express?

You can handle POST requests using app.post('/api/example', (req, res) => { ... }); and access the request body with req.body.