Chuck Norris API

api.chucknorris.io · Developer Tools

Developer Tools No Auth Free & Open Fun Jokes Developer Tools

Hand-curated Chuck Norris facts/jokes API. Filter by category, get random facts, and search by text. No API key required.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Random joke

Get a random Chuck Norris fact.

https://api.chucknorris.io/jokes/random

Hover any highlighted part to learn what it does

curl -X GET "https://api.chucknorris.io/jokes/random"

import requests
response = requests.get(
    "https://api.chucknorris.io/jokes/random",
)
print(response.json())

const url = 'https://api.chucknorris.io/jokes/random';

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.chucknorris.io/jokes/random"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.chucknorris.io/jokes/random")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.chucknorris.io/jokes/random";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Random by category

Get a random developer-themed Chuck Norris fact.

https://api.chucknorris.io/jokes/random?category=dev

Hover any highlighted part to learn what it does

curl -X GET "https://api.chucknorris.io/jokes/random?category=dev"

import requests
params = {
    "category": "dev"
}
response = requests.get(
    "https://api.chucknorris.io/jokes/random",
    params=params,
)
print(response.json())

const url = new URL('https://api.chucknorris.io/jokes/random');
url.searchParams.set('category', 'dev');

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.chucknorris.io/jokes/random")
	q := baseURL.Query()
	q.Set("category", "dev")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.chucknorris.io/jokes/random")
uri.query = URI.encode_www_form({
  "category" => "dev"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.chucknorris.io/jokes/random?" . http_build_query([
    "category" => "dev"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗

No API key needed
Random: GET https://api.chucknorris.io/jokes/random
Categories: GET https://api.chucknorris.io/jokes/categories
By category: GET /random?category=science
Search: GET /search?query=computer

What can you build with Chuck Norris API?

Chuck Norris API is a Developer Tools API. Developers commonly use developer tools APIs for:

automating code review and quality checks
integrating CI/CD pipelines and build systems
managing feature flags and A/B tests
monitoring errors and application performance
generating and validating test data

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. Chuck Norris API is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗