[Django]-Django returns 403 error when sending a POST request

Look here https://docs.djangoproject.com/en/dev/ref/csrf/#how-to-use-it.

Try marking your view with @csrf_exempt. That way, Django’s CSRF middleware will ignore CSRF protection. You’ll also need to use from django.views.decorators.csrf import csrf_exempt. See: https://docs.djangoproject.com/en/dev/ref/csrf/#utilities

Please be advised that by disabling CSRF protection on your view, you are opening a gate for CSRF attacks.

If security is vital to you then consider using @csrf_exempt followed by @requires_csrf_token (see: https://docs.djangoproject.com/en/dev/ref/csrf/#unprotected-view-needs-the-csrf-token). Then, in your script pass this token and that’s it.

The response is 403 because django requires a csrf token (included in the post data) in every POST request you make.

There are various ways to do this such as:

Acquiring the token from cookie and the method has been explained in article enter link description here

or

You can access it from DOM using {{ csrf_token }}, available in the template

So now using the second method:

var post_data = {
  ...
  'csrfmiddlewaretoken':"{{ csrf_token }}"
  ...
}

$.ajax({
  url:'url',
  type:'POST'
  data:post_data,
  success:function(data){
    console.log(data);
  },
  error:function(error){
    console.log(error);
  }
});

Or you can allow the permission to make this post request.

Note: Should be used in the cases where you don’t need to authenticate the users for posting anything on our server, say, when a new user registers for the first time.

from rest_framework.permissions import AllowAny

class CreateUser(APIView):
    permission_classes = (AllowAny,)
    def post(self, request, format=None):
        return(Response("hi"))

Further Note that, If you want to make that post request form a different domain (in case when the front of the application is in React or angular and the backend is in Django), make sure the add following in the settings file:

1. Update the INSTALLED_APPS to use ‘coreHeaders’ :

   INSTALLED_APPS = [
   ‘corsheaders’,
   ]

2. White list your front end domain by adding following to settings file again:

   CORS_ORIGIN_WHITELIST = (
   ‘localhost:8080’,
   )

Django documentation provides several ways to ensure that CSRF tokens are included. See https://docs.djangoproject.com/en/1.11/ref/csrf/ for details.

I got this error when an authentication Token was expired or when no Token was sent with the request. Using a renewed token fixed the problem.

curl -X POST -H "Authorization: Token mytoken" -d "name=myname&age=0" 127.0.0.1:8000/myapi/

or

curl -X POST -H "Authorization: JWT mytoken" -d "name=myname&age=0" 127.0.0.1:8000/myapi/

depending on Token type.

I too had this problem, because I Tried to access the Main endpoint from another endpoint using '../url' URL Jumping.
My Solution was to add another path for the same viewset;

router.register('main/url',ViewSet,'name');
router.register('secondary/url',ViewSet,'name')

But in Your Case You are Trying to access it from a completely different Location, From Django’s Point of view So You need to mark you ViewSet with @crsf_exempt middleware which will Disable Security Protocols Related to CRSF.