The best public APIs for Funny

Geek Joke API

Where you can have a LOL moment!

JokeAPI v2

The funniest way to make your day

JokesOne API

The funniest jokes around!

chucknorris.io API

Chuck Norris Facts

http.cat

Meow-eting Your HTTP Needs

icanhazdadjoke

For the ultimate source of dad-jokes.