---
title: About Apple News API Field Types
framework: applenews
role: article
role_heading: Article
path: applenews/about-apple-news-api-field-types
---

# About Apple News API Field Types

Understand the standard field types used in the Apple News API.

## Overview

Overview The Apple News API uses the following standard field types: UUID: A 128-bit universally unique identifier. String: A UTF-8 string. Boolean: A value that is either true or false. Object: An object represented as a JSON-formated string. Array: A comma-delimited sequence contained in square brackets: [ ]. DateTime: A date and UTC time represented as a string in ISO 8601. URL: A URL represented as a string.

## See Also

### Essentials

- [Getting Ready to Publish and Manage Your Articles](applenews/getting-ready-to-publish-and-manage-your-articles.md)
- [About the Apple News Security Model](applenews/about-the-apple-news-security-model.md)
- [Formatting Strings](applenews/formatting-strings.md)