HTTP & How the Web Works · Backend Development

Explanation

HTTP is the contract between clients and servers: methods, status codes, headers, and JSON bodies.

Code example

http

GET /api/skills HTTP/1.1
Host: api.example.com
Accept: application/json

HTTP/1.1 200 OK
Content-Type: application/json

{"items":[{"id":"1","name":"Node.js"}]}

Helpful resources

MDN: HTTP overview
Official MDN guide to HTTP messages, methods, and status codes.
DocumentationFreeOfficial60 min
HTTP for beginners — freeCodeCamp
HTTP crash course on YouTube.
YoutubeFree70 min

Exercise

Map GET/POST/PUT/PATCH/DELETE to a skills API and list the status codes you would return.

Your notes