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MuleSoft for Salesforce Developers - Second Edition
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HTTP, short for Hypertext Transfer Protocol, is a client-server communication protocol used to exchange data in a client-server architecture model. HTTP is the data transfer protocol that supports REST APIs.
HTTPS is identical to HTTP but has a security add-on. It supports the Transport Layer Security (TLS) protocol, which is a Secure Sockets Layer (SSL) handshake – encryption to exchange data securely between a client and a server.
Figure 2.2 depicts what a typical HTTP request/response looks like:
Figure 2.2 – A snapshot from the Postman tool depicting the HTTP request
Figure 2.2 tells us about the HTTP request triggered from the Postman tool. We shall now look at the various elements of the HTTP request/response with the help of the preceding figure.
The prime elements of an HTTP/HTTPS request/response are as follows: