Could not send request - Error: getaddrinfoENOTFOUND postman

Hello everybody, I was trying to make the exercises from the tutorial provided by Postman, API 101: API Fundamentals after watching the video provided and studying the slides. The problem I am currently experiencing revolves around the endpoints provided by Postman: everytime I try to make a basic GET request using this baseUrl: and the subsequent specific endpoint:, I always receive an error both on the console and in the Response tab:

Could not send request - Error: getaddrinfo ENOTFOUND



Error: getaddrinfo

Request Headers

User-Agent: PostmanRuntime/7.39.0

Accept: /


Accept-Encoding: gzip, deflate, br

Connection: keep-alive``

I have tried to check on my browser the endpoint, and I receive again a message warning me about the invalidity of this endpoint, but people I know that has followed my same steps were able to work on the same endpoint. If someone could help me in solbing this issue, I would be very grateful. Thank you in advance,

I can access that API fine.

    "message": "Welcome to the Library API! Try GET /books to get a list of books"

This error is usually related to networking. It’s basically telling you that it can’t find the server.

Do you have a local firewall or something that is potentially blocking the traffic. Are you using a VPN?

Is this the web client or desktop application?

Can you perform the MAC equivalent of a ping test?

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