Official WordPress developer resources including a code reference, handbooks (for APIs, plugin and theme development, block editor), and more.

Nov 8, 2016 · Using the WordPress REST API you can create a plugin to provide an entirely new admin experience for WordPress, build a brand new interactive front-end experience, or bring …

Want to know what’s going on inside WordPress? Find out more information about its functions, classes, methods, and hooks.

WP-CLI Commands In this article Below is a listing of all currently available WP-CLI commands with links to documentation on usage and subcommands. Looking to learn more about the …

May 2, 2019 · This handbook is focused on block development and is divided into five major sections. Getting Started: For those just starting out with block development, this is where you …

Jul 30, 2014 · The Theme Developer Handbook is a repository for all things WordPress themes. Whether you’re new to WordPress themes, or you’re an experienced theme developer, you …

Jul 30, 2014 · The Plugin Developer Handbook is a resource for all things WordPress plugins. Whether you’re new to WordPress plugin development, or you’re an experienced plugin …

Oct 10, 2025 · Add namespacing, autoloading, and linting to your multi-block plugin for clean, scalable WordPress development.

Jun 18, 2019 · This handbook serves as a clearinghouse for documentation on all APIs present within the WordPress software as well as APIs available from the WordPress.org ecosystem.

Mar 28, 2023 · Having a development instance of WordPress is a good way to update, develop, and modify a website without interrupting the live version of…