Requests and protocols – a deep dive
We've walked through the various API types that are commonly used in web application development, so we should now have a deeper understanding of what each is used for. In this section, we will dive into the world of requests and protocols. However, before we begin, it might be helpful to clarify what we mean by a "protocol" in regards to what we've discussed in this chapter.
In essence, protocols are defined rules that are agreed upon by all parties to define the way a service can communicate with other services on the web. As Marketing Cloud developers, we are likely very familiar with the File Transfer Protocol (FTP), which is a protocol that defines how we can send files between machines on the internet. Another might be the Simple Mail Transport Protocol (SMTP), which defines how we can send emails to a given customer or defined audience. Within the context of this chapter, we will largely use the term "protocol...