Ajax post request in laravel 5 return error 500 (Internal Server Error)

While this question exists for a while, but no accepted answer is given I’d like to point you towards the solution. Because you’re sending with ajax, and presumably still use the CSRF middleware, you need to provide an additional header with your request.

Add a meta-tag to each page (or master layout): <meta name="csrf-token" content="{{ csrf_token() }}">

And add to your javascript-file (or section within the page):

$.ajaxSetup({
  headers: {
    'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
  }
});

See https://laravel.com/docs/master/csrf#csrf-x-csrf-token for more details.

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