Dynamics 365 - How to execute batch operations using the Web API (C# code)

The documentation of Dynamics 365 for Customer Engagement apps version 9.x has a section that specifies the details about how to execute batch operations using the Web API at https://docs.microsoft.com/en-us/dynamics365/customer-engagement/developer/webapi/execute-batch-operations-using-web-api.

Unfortunately it does not provide a sample code (in C#) for how to compose the batch request and handle respective response.

So here is the one that I have built for my project:

The SendBatchRequestAsync method has two overloads which can be used for two different scenarios:

• Execute a batch request that is composed of a list of individual requests, each of them can be in turn a change set, or
• Execute a list of requests that are grouped into a single change set.

Example 1:

Example 2:

Utility method to create HttpMessageContent: