Open Trivia Database

by opentdb.com

Fun and games Added on October 31st, 2026 Checked and working on November 1st, 2026

What it does

The Open Trivia Database is a free, user-contributed collection of thousands of trivia questions. Ask for a number of questions by category, difficulty and type (multiple choice or true/false), and use a session token to avoid getting the same question twice. Responses are JSON. Free, no key needed; the questions are licensed under Creative Commons BY-SA.

API
HTTP-GET
JSON
REST

At a glance

API key: Not needed · More APIs with no key
Pricing: Free, no key needed; the questions are licensed under Creative Commons BY-SA.
From the browser: Yes (CORS)
Formats: JSON
Interface: REST, HTTP-GET
Provider: opentdb.com
Last checked: Working on November 1st, 2026

More information: https://opentdb.com/api_config.php

Is this your service? Show that it is listed

Put this badge on your website or in your README; it links to this page. About the badge

HTML

<a href="https://free-web-services.com/web-services/other/fun/open-trivia-database.html"><img src="https://free-web-services.com/badge.svg" width="208" height="44" alt="Listed on Free Web Services" /></a>

Markdown

[![Listed on Free Web Services](https://free-web-services.com/badge.svg)](https://free-web-services.com/web-services/other/fun/open-trivia-database.html)

Example request

curl

curl 'https://opentdb.com/api.php?amount=1'

JavaScript

const response = await fetch("https://opentdb.com/api.php?amount=1");
const data = await response.json();
console.log(data);

Python

import requests

response = requests.get(
    "https://opentdb.com/api.php?amount=1",
    timeout=30,
)
print(response.json())

The JavaScript works in a web page as well as in Node.js 18 or newer.