HTTP Methods & Status Codes Cheatsheet

Quick reference for HTTP methods (GET, POST, PUT, DELETE) and common status codes with examples.

Item	Description	Example	Category
GET	Retrieve resource	GET /users	Method
POST	Create resource	POST /users { "name": "John" }	Method
PUT	Update/replace resource	PUT /users/1 { "name": "Jane" }	Method
PATCH	Partial update	PATCH /users/1 { "name": "Jane" }	Method
DELETE	Delete resource	DELETE /users/1	Method
HEAD	Retrieve headers only	HEAD /users	Method
OPTIONS	Check allowed methods	OPTIONS /users	Method
200 OK	Request successful	GET /users → 200 OK	Status
201 Created	Resource created	POST /users → 201 Created	Status
204 No Content	Request successful, no response body	DELETE /users/1 → 204 No Content	Status
301 Moved Permanently	Resource moved permanently	GET /old → 301	Status
302 Found	Resource found temporarily	GET /temp → 302	Status
400 Bad Request	Client error, invalid request	POST /users → 400	Status
401 Unauthorized	Authentication required	GET /private → 401	Status
403 Forbidden	Access forbidden	GET /admin → 403	Status
404 Not Found	Resource not found	GET /unknown → 404	Status
500 Internal Server Error	Server error	GET /users → 500	Status
502 Bad Gateway	Invalid response from upstream server	GET /api → 502	Status
503 Service Unavailable	Server temporarily unavailable	GET /api → 503	Status