K1Lesson 43 of 49about 180 minutes
Module 1.9 · Asynchronous code
HttpClient: data from the web
What you learn in this lesson
- query a JSON API on the web with HttpClient
- read the answer as a record with GetFromJsonAsync and ReadFromJsonAsync
- read status codes and react correctly to success and failure
- explain why a redirect counts as an error for a machine API, and set up the client that way
- create one HttpClient for the whole program instead of one per request
- let the Kladde fetch the public holidays from a public API
This lesson belongs to course K1
You will see this lesson's text and video once you have bought the course. The goals above show what you learn here.
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