The problem I would like to discuss is an API call, where you need to send binary data (for example multiple images) and some metadata information together. There are various ways you can approach this, and I will describe them briefly. Then I will go into more detail on multipart/form-data requests and how they can help you with the mentioned task.Approach 1 – Send metadata and files in separate requests The steps could be this:Send metadata to server Server stores metadata and generates an unique URL...