Understanding communication with backend services using HTTP

Most front-end applications need to communicate with a server over the HTTP protocol to download or upload data and access other back-end services. Angular provides a client HTTP API for Angular applications, the HttpClient service class in @angular/common/http.

HTTP client service features

The HTTP client service offers the following major features:

• The ability to request typed response values
• Streamlined error handling
• Request and response interception
• Robust testing utilities

What's next