The AL HttpClient object provides a base class for handling HTTP requests and responses from web resources (identified by a URI). With the HttpClient class, you can send GET, DELETE, POST, and PUT HTTP request messages (HttpRequestMessage with HttpHeaders and HttpContent) and receive an HttpResponseMessage object as a result of this request (including the status code and the response data).
You can find more details about all of the exposed methods at the following link: https://docs.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/methods-auto/httpclient/httpclient-data-type.
As an example, in the following code, we create an extension that permits you to pull customers' address details by calling a service called Fullcontact (https://www.fullcontact.com). When you are registered for the free account, Fullcontact...