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Open Trivia Database

Open Trivia Database Categories API

Operations for discovering trivia category metadata and counts.

Documentation Provider Profile APIs.io OpenAPI GitHub

Open Trivia Database Categories API is one of 4 APIs that Open Trivia Database publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 3 JSON Schema definitions.

Tagged areas include Categories. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, a JSON-LD context, rate-limit docs, and 3 JSON Schemas.

This API exposes 2 operations across 2 paths, and defines 4 schemas. It is described by OpenAPI 3.0.3, at version 1.0.

Requests are made against a single base URL, https://opentdb.com.

2 operations 2 paths 4 schemas 2 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.3
API Version
1.0
Base URL
https://opentdb.com
Contact
Open Trivia Database (Pixeltail Games)
License
CC BY-SA 4.0
Terms of Service
View terms
Resource Areas
1

Paths & Operations 2

Across 2 paths, the API surfaces 2 operations — 2 GET. Each is listed below with its method, path, parameters, and response codes.

Categories 2

Operations for discovering trivia category metadata and counts.

GET
/api_category.php
Open Trivia List Trivia Categories
getCategories → 200
GET
/api_count.php
Open Trivia Get Category Question Count
getCategoryCount 1 param → 200

Schemas 4

The contract defines 4 schemas that model the data the API accepts and returns. The most detailed are CategoryQuestionCount (4 properties), CategoryCountResponse (2 properties), Category (2 properties), CategoryListResponse (1 property). Each schema is shown below with its type and property counts.

Category
object
A trivia category identifier and name pair.
2 properties 2 required
CategoryQuestionCount
object
Question counts for a single category broken down by difficulty.
4 properties 4 required
CategoryListResponse
object
Response returned by /apicategory.php.
1 property 1 required
CategoryCountResponse
object
Response returned by /apicount.php.
2 properties 2 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

open-trivia-categories-api-openapi.yml Raw ↑

Other APIs Open Trivia Database publishes across the network.

Open Trivia Database Questions API
AE Profile APIs.io
Open Trivia Database Statistics API
AE Profile APIs.io
Open Trivia Database Tokens API
AE Profile APIs.io
#Categories
← Back to O APIs
API Details
ID
open-trivia:open-trivia-categories-api
Base URL
https://opentdb.com
Docs
https://opentdb.com/api_config.php
Provider
Open Trivia Database
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