Developers Learn how to customize experiences using CSS and the Gallery APIs. In-Page Experiences Custom CSS Reference In-Page Experience Code Snippets Embedding Brightcove In-Page Experiences in a CMS Overview: In-Page Experience API Overview: In-Page Experience Client API In-Page Experience API Reference In-Page Experience Client API Reference In-Page Experience API Error Reference In-Page Experience Client API Sample Quick Start: In-Page Experience Platform (REST) API