Since you mention axois, I'm guessing you're building a single page app (or at least some page where you do more than one ajax call to the server); I highly recommend NOT to use sessions for it. Sessions are saved by Laravel at the end of the request, meaning that when you have two simultaneous requests, you might loose information that you added.
For building single page apps, you need to think about calling your REST API from within your javascript, and make your code stateless.
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