The Open Trivia Database under CC BY-SA 4.0, loaded into the API's own database: 5,298 questions across about 24 categories.

What does a question include?

The question, type, category, difficulty, the correct answer and the incorrect answers for multiple choice.

Yes. By category, difficulty and type, with random sets, paging and lookup by id.

Is attribution required?

Yes. The content is CC BY-SA, so credit the Open Trivia Database when serving the questions.

What does a call cost?

2 tokens. The free plan covers 250 requests a month.

EntertainmentMAINTAINED2 tokens / call

Trivia API

5,298 multiple-choice and true-or-false trivia questions in 24 categories and three difficulties

Multiple-choice and true/false trivia questions across ~24 categories and three difficulty levels. Pull random questions, filter by category/difficulty/type, or page through the full set. Powered by the Open Trivia Database (CC BY-SA 4.0).

Every call needs an X-Api-Key header. A free key includes 500 tokens a month, no card required. 2 tokens per call, so the free plan covers about 250 calls a month.

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response.json

{
  "count": 1,
  "results": [
    {
      "id": 142,
      "category": "Entertainment: Comics",
      "type": "multiple",
      "difficulty": "hard",
      "question": "In the Batman comics, by what other name is the villain Dr. Jonathan Crane known?",
      "correct_answer": "Scarecrow",
      "incorrect_answers": [
        "Bane",
        "Calendar Man",
        "Clayface"
      ]
    }
  ]
}

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Use cases for Trivia API

Build a quiz game with rounds by category and difficulty.
Add a daily trivia question to a newsletter or app.
Run pub-quiz style events with random question sets.
Create learning drills with instant answer checking.

Trivia API endpoints

Every endpoint with its parameters and a real example response.

OpenAPI definition Postman workspace

GETGet Trivia By Id
GETList Categories
GETList Trivia
GETRandom Trivia

GETGet Trivia By Id

https://api-trivia.dataandapis.com/v1/trivia/{id}

Path parameters

Parameter	Example
id	142	Required

Example request

curl "https://api-trivia.dataandapis.com/v1/trivia/142" \
  -H "X-Api-Key: YOUR_API_KEY"

Example response

{
  "id": 142,
  "category": "Entertainment: Comics",
  "type": "multiple",
  "difficulty": "hard",
  "question": "In the Batman comics, by what other name is the villain Dr. Jonathan Crane known?",
  "correct_answer": "Scarecrow",
  "incorrect_answers": [
    "Bane",
    "Calendar Man",
    "Clayface"
  ]
}

GETList Categories

https://api-trivia.dataandapis.com/v1/trivia/categories

This endpoint takes no parameters.

Example request

curl "https://api-trivia.dataandapis.com/v1/trivia/categories" \
  -H "X-Api-Key: YOUR_API_KEY"

Example response

{
  "count": 24,
  "categories": [
    {
      "category": "Entertainment: Film",
      "count": 251
    },
    {
      "category": "General Knowledge",
      "count": 469
    },
    {
      "category": "Science & Nature",
      "count": 215
    }
  ]
}

GETList Trivia

https://api-trivia.dataandapis.com/v1/trivia

Query parameters

Parameter	Example
category	History	Optional
limit	20	Optional
page	1	Optional

Example request

curl "https://api-trivia.dataandapis.com/v1/trivia?category=History&limit=20&page=1" \
  -H "X-Api-Key: YOUR_API_KEY"

Example response

{
  "total": 411,
  "page": 1,
  "limit": 20,
  "count": 20,
  "attribution": "Questions from the Open Trivia Database (opentdb.com), CC BY-SA 4.0",
  "results": [
    {
      "id": 4082,
      "category": "History",
      "type": "multiple",
      "difficulty": "medium",
      "question": "When was the United States National Security Agency established?",
      "correct_answer": "November 4, 1952",
      "incorrect_answers": [
        "July 26, 1908",
        " July 1, 1973",
        " November 25, 2002"
      ]
    },
    {
      "id": 4083,
      "category": "History",
      "type": "multiple",
      "difficulty": "hard",
      "question": "After the 1516 Battle of Marj Dabiq, the Ottoman Empire took control of Jerusalem from which sultanate?",
      "correct_answer": "Mamluk",
      "incorrect_answers": [
…

Show full response

{
  "total": 411,
  "page": 1,
  "limit": 20,
  "count": 20,
  "attribution": "Questions from the Open Trivia Database (opentdb.com), CC BY-SA 4.0",
  "results": [
    {
      "id": 4082,
      "category": "History",
      "type": "multiple",
      "difficulty": "medium",
      "question": "When was the United States National Security Agency established?",
      "correct_answer": "November 4, 1952",
      "incorrect_answers": [
        "July 26, 1908",
        " July 1, 1973",
        " November 25, 2002"
      ]
    },
    {
      "id": 4083,
      "category": "History",
      "type": "multiple",
      "difficulty": "hard",
      "question": "After the 1516 Battle of Marj Dabiq, the Ottoman Empire took control of Jerusalem from which sultanate?",
      "correct_answer": "Mamluk",
      "incorrect_answers": [
        "Ayyubid",
        "Ummayyad",
        "Seljuq"
      ]
    },
    "... 18 more questions omitted from this example"
  ]
}

GETRandom Trivia

https://api-trivia.dataandapis.com/v1/trivia/random

Query parameters

Parameter	Example
amount	1	Optional
category	Entertainment: Film	Optional
difficulty	easy	Optional
type	multiple	Optional

Example request

curl "https://api-trivia.dataandapis.com/v1/trivia/random?amount=1&category=Entertainment%3A%20Film&difficulty=easy&type=multiple" \
  -H "X-Api-Key: YOUR_API_KEY"

Example response

{
  "count": 1,
  "results": [
    {
      "id": 142,
      "category": "Entertainment: Comics",
      "type": "multiple",
      "difficulty": "hard",
      "question": "In the Batman comics, by what other name is the villain Dr. Jonathan Crane known?",
      "correct_answer": "Scarecrow",
      "incorrect_answers": [
        "Bane",
        "Calendar Man",
        "Clayface"
      ]
    }
  ]
}

Where the data comes from

Source: Open Trivia Database (CC BY-SA 4.0), loaded into the API's database.
Freshness: Reloaded as the source grows.

One install. Every endpoint.

No proprietary SDKs needed. Any HTTP client works. Pick your language and paste.

3languages

4endpoints

RESTarchitecture

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One key works across 125+ APIs on the platform

import axios from 'axios';

const { data } = await axios.get(
  'https://api-trivia.dataandapis.com/v1/trivia/{id}',
  { headers: { 'X-Api-Key': process.env.API_KEY } }
);

Trivia API · X-Api-Key

Explore the endpoints

Browse request parameters and inspect live example responses.

Available Endpoints

Request Parameters

API URL

Headers

X-Api-Key

Path Parameters

Target:

Client:

import axios from 'axios';

const url = 'https://api-trivia.dataandapis.com/v1/trivia/{id}';
const { data } = await axios.get(url, {
  headers: { 'X-Api-Key': 'YOUR_API_KEY' }
});