GET request with Basic Auth working from Postman but not from the browser

Question

I\'m working with an odata api, and when I\'m using postman to do a GET request, works perfect and I get the response as I was expecting.

But when I use a fetch req

Answer 1

Ideal way is to allow at your server to allow calls from different domain, but if you don't have access to back-end, and testing services, you can install this chrome plugin to bypass pre-flight requests. cors chrome extension