Access to fetch at 'http://jsonplaceholder.typicode.com/posts' from origin 'http://localhost:3000' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: Redirect is not allowed for a preflight request.

[tapan31]

I am trying to make a post request to the api in LESSON 3 to create a new post and it to the posts but its giving me this error

[MalekD5]

if you are using HTTPS everywhere extension, then you need to disable it and restart your web browser.

Edit: it seems that I misread the full error message. in short, you are missing the trailing slash (/) at the end of the api url