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Laravel Token Mismatch Error in AJAX

From WikiOD

I have analyzed that ratio of getting TokenMismatch Error is very high. And this error occurs because of some silly mistakes. There are many reasons where developers are making mistakes. Here are some of the examples i.e No _token on headers, No _token passed data when using Ajax, permission issue on storage path, an invalid session storage path.

Setup Token on Header[edit | edit source]

Set the token on <head> of your default.blade.php.

<meta name="csrf-token" content="{{csrf_token()}}">

Add ajaxSetup on the top of your script, that will be accessible to everywhere. This will set headers on each ajax call

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

=== Set token on

tag ===

Add below function to your <form> tag. This function will generate a hidden field named _token and filled value with the token.


Add csrf_token () function to your hidden _token in the value attribute. This will generate only encrypted string.

<input type="hidden" name="_token" value="Template:Csrf token()"/>.

Check session storage path & permission[edit | edit source]

Here I assume that project app url is APP_URL=

  1. Set the writable permission to storage_path('framework/sessions') the folder.
  2. Check the path of your laravel project 'path' => '/ts/toys-store', the root of your laravel project.
  3. Change the name of your cookie 'cookie' => 'toys-store',
return [
    'driver' => env('SESSION_DRIVER', 'file'),
    'lifetime' => 120,
    'expire_on_close' => false,
    'encrypt' => false,
    'files' => storage_path('framework/sessions'),
    'connection' => null,
    'table' => 'sessions',
    'lottery' => [2, 100],
    'cookie' => 'toys-store',
    'path' => '/ts/toys-store',
    'domain' => null,
    'secure' => false,
    'http_only' => true,

Use _token field on Ajax[edit | edit source]

There are many ways to send _token on AJAX call

  1. Get all input field's value within <form> tag using var formData = new FormData($("#cart-add")[0]);
  2. Use $("form").serialize(); or $("form").serializeArray();
  3. Add _token manually on data of Ajax. using $('meta[name="csrf-token"]').attr('content') or $('input[name="_token"]').val().
  4. We can set as header on a particular Ajax call like below code.
    url: $("#category-add").attr("action"),
    type: "POST",
    data: formData,
    processData: false,
    contentType: false,
    dataType: "json",
    headers: {
        'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')