Understanding API key authentication in Node.js

1

ExpressJS

First, we’ll handle all the installation and initial setup to run our application. We’ll use Express to develop the API and Nodemon to run the API server and listen for changes in the code in real-time.

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2

cURL

Now, we’re done with the coding part of this tutorial, and we can move into testing. We’ll test the API endpoints with cURL. Before testing, open up your terminal and run the following command to start the server:.

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