PART III · HTTP & APIs

HTTPS

HTTP with encryption for safer communication.

01 · What is it?

HTTPS stands for HyperText Transfer Protocol Secure.

It is HTTP protected by encryption.

Simple Definition:
HTTPS is the secure version of HTTP.

02 · Think of it like...

Think of HTTP as sending a message.

HTTPS is like putting that message inside a locked envelope before sending it.

Flow:

Client
→
Encrypted Connection
→
Server

03 · What does it do?

HTTPS helps protect:

Passwords
Login Information
Payment Data
API Requests
User Data

04 · Where is it used?

HTTPS is used by modern websites, APIs, login systems, payment pages, and web applications.

Website
Login Page
API
Payment Page
Cloud Service

05 · Example

http://example.com

HTTP

https://example.com

HTTPS

The \"s\" in HTTPS means the connection is secured with encryption.

06 · How it connects

Browser→HTTPS→Server→HTTPS Response→Browser

HTTPS protects HTTP communication while data moves between systems.

07 · Do Not Confuse

HTTP

Web communication without transport encryption.

HTTPS

HTTP protected by encryption.

HTTP = Communication
HTTPS = Protected Communication

08 · Topic Glossary

ENGLISH TERM中文SIMPLE ENGLISH中文小白理解
HTTPS安全的 HTTPHTTP protected by encryption.使用加密保护通信过程的 HTTP。
HTTP超文本传输协议The basic protocol used for web communication.Web 客户端与服务器之间进行通信的基础协议。
Encryption加密Turning readable data into protected data.把可直接读取的数据转换成受保护形式。
Secure Connection安全连接A connection that protects data during transfer.在数据传输过程中提供保护的网络连接。
Browser浏览器Software that commonly uses HTTPS to access websites.通常通过 HTTPS 访问网站的软件。
Server服务器The system communicating with the client over HTTPS.通过 HTTPS 与客户端通信的一端。
Certificate证书Digital information used to help establish secure connections.用来帮助建立安全连接的数字凭证。
TLSTLSA security protocol used to protect HTTPS communication.HTTPS 常用来保护网络通信的安全协议。
URLURL 地址A web address that can begin with https://.可以使用 https:// 开头的网络资源地址。

09 · What to Remember

HTTPS is HTTP with encryption.

HTTPS protects data while it travels between systems.

Modern websites and APIs normally use HTTPS.

Final:
HTTP
+
Encryption
=
HTTPS

↑