Excel Services Class Library and Web Service Reference

Applies to: Office 365 | SharePoint Online | SharePoint Server 2010

An important aspect of Excel Services is that solution developers can use its power programmatically from their applications. These solutions can be line-of-business (LOB) products or custom enterprise solutions that an organization develops internally.

This section contains the Excel Services class library and Web service reference.


Table 1. Excel Services namespace descriptions




The Excel Web Services API.


Excel Services user-defined function (UDF) attributes.


The Excel Web Access Web Part object model.

Ewa Namespace

The ECMAScript (JavaScript, JScript) object model in Excel Services.

Excel Services REST API

The Representational State Transfer (REST) API in Excel Services.

See Also

Other Resources

Deciding Which SharePoint 2010 API to Use

Excel Services Development Roadmap

What's New in SharePoint Server 2010

What's New in SharePoint Foundation 2010

Setting Up the Development Environment for SharePoint 2010 on Windows Vista, Windows 7, and Windows Server 2008

SharePoint Server 2010 General Reference

Video: Using the SharePoint 2010 SDK Help

Excel Services Resource Center

SharePoint Developer Center

SharePoint Developer Team Blog

SharePoint Stack Exchange