This simple project made for web developers who need to test their apps about correct error handling.
Just make a request in format like http://httpme.tk/<status_code>. HTTPS is also supported!
Python example:
from requests import get
get('http://httpme.tk/200') # <Response [200]>
get('http://httpme.tk/401') # <Response [401]>
get('http://httpme.tk/404') # <Response [404]>
get('http://httpme.tk/500') # <Response [500]>Go to httpme.tk for more details.