I can pass a URL as a parameter and I will receive a shortened URL in the JSON response.
If I pass an invalid URL that doesn't follow the valid http://www.example.com format, the JSON response will contain an error instead.
When I visit that shortened URL, it will redirect me to my original link.
https://url-shortener-project.glitch.me//new/https://www.google.com
https://url-shortener-project.glitch.me//new/http://foo.com:80
{ "original_url":"http://foo.com:80", "short_url":"https://url-shortener-project.glitch.me/8170" }