WPGraphQL

The official open-source GraphQL API transforming WordPress into a headless powerhouse.

• Official Website: https://www.wpgraphql.com/
• Primary Category: Developer Tools & Workflow
• License / Pricing: Open Source

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Overview

WPGraphQL provides an extensible, performant GraphQL schema for any WordPress site. Maintained in partnership with Gatsby and WP Engine, it powers modern decoupled/headless front-ends built with Next.js, Nuxt, Astro, and mobile applications.

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Key Features

• Performant GraphQL API: Query exactly the data your front-end requires in a single network request.
• GraphiQL IDE: Interactive visual query builder integrated directly into the WordPress administrative panel.
• Extensible Schema: Easily register custom fields, mutations, and post types into the GraphQL graph.
• Ecosystem Plugins: Official extensions for ACF, WooCommerce (WPGraphQL for Woo), and Smart Cache.
• Decoupled Front-Ends: The backbone of enterprise decoupled architectures deployed to Vercel, Netlify, and Cloudflare.

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Code & Integration Example

// Register custom field in WPGraphQL schema
add_action( 'graphql_register_types', function() {
    register_graphql_field( 'Post', 'customReadingTime', [
        'type' => 'String',
        'description' => 'Estimated reading time',
        'resolve' => function( $post ) {
            return '5 min';
        }
    ] );
} );

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Why Developers Choose WPGraphQL

WPGraphQL is the undisputed foundation of headless WordPress, modern Jamstack sites, and mobile app APIs.

• Developer Friendly: Built to respect WordPress coding standards with action hooks and filters.
• Actively Maintained: Frequently updated for the latest major WordPress versions.
• Community Backed: Comprehensive documentation, tutorials, and community support forums.