Backbone & Slim PHP - Access-Control-Allow-Headers - Can GET information, can't POST it?

Question

I\'m using Backbone and the Slim PHP framework. I\'m trying to post information to my API, however Access-Control-Allow-Headers keeps causing me problems...

My conso

Answer 1

Your OPTIONS request should be a 200 returning an empty response. Then the browser will send the real POST request.

Also no need to add OPTIONS in Access-Control-Allow-Methods header.

It seems your using authentication, why not add Access-Control-Allow-Credentials header too.

For more informations check this code it may be helpful.