The main Web service for the Microsoft Dynamics CRM SDK is CrmService. This Web service contains the methods that you need to write code against all the entities in Microsoft Dynamics CRM. There are six common methods that you use to access entity instances. For every other operation, you use the Execute method. These methods are described in the following sections. 

In This Section

Using the CrmService Web Service

Describes how to use the CrmService Web service.

CrmService Common Methods

Learn about the common methods for accessing entities.

CrmService Execute Method

Learn about the Execute method, which is used to perform specialized business logic.

Using the CrmService Offline

Describes how to use the CrmService Web service when it is disconnected from the server.

Working with Entities

Describes general information about how to write code that works with entities.

Building Queries

Learn how to construct queries to retrieve entity instances.

Related Sections

Developing Custom Solutions

Describes how to write code to create custom solutions.

Web Service Security and Impersonation

Provides information about how to use impersonation when you access the Web services.