Chapter 18: Value Formatting
In the previous chapter, we explained the rules for sending request content and response content between the client and the server. In this chapter, we’ll focus on formatting property values. You’ll always need to define the basic rules in a way that can be applied across all supported representations. Today, these are most commonly JSON and XML. For more details on these formats, refer to their respective RFCs:
It’s also important to remember that formatting applies not only to message content but also to URL parameters. Carefully consider whether and how effectively it makes sense to pass values through the URL.