Use Microsoft Dynamics CRM services in code


Microsoft Dynamics CRM provides two web services that can be used to identify your organization and to access CRM data. This section describes how to use these services when you are developing applications or customizations for CRM.

A single Microsoft Dynamics CRM installation can host multiple organizations on multiple servers. Therefore, it is important to specify which organization you want to access. The IDiscoveryService web service returns a list of organizations that the specified user belongs to and the URL endpoint address for each organization. More information: Discover the URL for your organization using the Organization Service and IDiscoveryService

The primary web service for accessing data and metadata in CRM is the IOrganizationService web service. More information: Use the Organization Service to read and write data or metadata and IOrganizationService

Most of the time you’ll use the SDK assemblies in your development projects. Using the assemblies is the recommended developer scenario for Microsoft Dynamics CRM Online 2016 Update and Microsoft Dynamics CRM 2016 (on-premises). These assemblies are in the SDK\Bin folder, along with the corresponding Visual Studio IntelliSense XML files. More information: Assemblies included in the Microsoft Dynamics CRM SDK

You may have a development scenario where you want to include the service reference in your project rather than using the assemblies. To find the correct service references for your organization, see Download the endpoints using the Microsoft Dynamics CRM Developer resources page.

Microsoft Dynamics CRM 2016 and CRM Online

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