HTTP Methods
In this lesson, we will discuss curl command, an overview of an URL, and the most commonly used HTTP methods.
We'll cover the following
What is the curl
command?
The curl
command is a command-line tool used to transfer data to or from a server, with the help of any of the supported protocols (HTTP, FTP, IMAP, POP3, SCP, SFTP, SMTP, TFTP, TELNET, LDAP or FILE).
The syntax for the curl
command is as follows:
curl [options] [URL...]
You can read more about curl
here.
-
curl
is free and open-source -
It supports various protocols
-
You can refer to GitHub for the latest source code of curl
-
Please refer to POST Request Using Curl
In this chapter, we will use the curl
command to demonstrate the various HTTP
methods.
Overview of a URL
HTTP
resources are identified and located on the network by Uniform Resource Locators
(URLs), using the Uniform Resource Identifiers
(URIs) schemes HTTP
and HTTPS
.
A sample URL:
https://www.educative.io/explore
Here,
- https – protocol ( Secure HTTP )
- www – subdomain
- educative.io – domain name
- /explore – service end point
HTTP methods
HTTP
methods are designed to enable communications between clients and servers. We will discuss the most commonly used HTTP
methods in the next few lessons.
- GET
- POST
- PUT
- DELETE
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