How to pass url with protocol as parameter in url of an api?

I have made a route in my express app: '/new/:id'. In this route I have to pass an url with protocol as a parameter.When i pass a url like 'www.amazon.com' than everything works according to my code.But when I pass 'http://www.amazon.com' than my browser shows Cannot GET /new/http://www.amazon.com .

via Rohit Bhardwag