Products

Underlayer is training you embed in your own product. Instead of sending customers or employees to a separate LMS with its own login, you put courses directly inside your app with one iframe, and the player takes your fonts and colours so it looks like part of your product. Build courses in the visual builder, generate them with AI from a document, URL or prompt, create them through the REST API, or ask Claude or Cursor to write them over MCP. Courses use 39 interactive block types, including q