Windows Live Writer SDK
Welcome to the Windows Live Writer SDK!
Three APIs are provided in this SDK:
Application API, for starting Writer to create new posts or "Blog This" items for links, snippets, images, and feed items.
Provider Customization API, both for customizing the capabilities of Writer and for adding new capabilities to the Writer user interface.
Plugin API, for extending the capabilities of Writer to insert, edit, and publish new types of content, and to modify content and take other actions when publishing.
For support, please visit the Windows Live Solution Center.