REST API Cheatsheet 18 Steps

REST constraints, URI resource anatomy, idempotency guarantees, HTTP verbs & layered caching

Step 1 of 18
REST Client App
CALLER
State:UI Ready
Roundtrips:0
Query Params:None
CLIENT STATE / PAYLOAD
{}
Proxy / CDN Edge
EDGE CACHE
Cache Status:Pass
Route Rule:api.example.com
Rate Quota:100/100 rem
CDN EDGE CACHE TABLE
Cache Empty (TTL 3600s)
REST API Server
STATELESS
Controller:Listening :443
Matched Route:None
Handler:Router Idle
> Stateless worker pool ready (10 DB conns)
Users SQL Store
POSTGRES
SELECT * FROM users;
IDNameAgeState
1Alice25ACTIVE
2Bob30ACTIVE
Interactive URI Anatomy & HTTP Verb Matrix
Click any URI segment or HTTP method badge to inspect semantics
https:// api. example.com /v1 /users ?age=25 &page=2&limit=10
GET — Retrieve Resource 200 OK
Safe: YES Idempotent: YES Cacheable: YES
{"id":1,"name":"Alice","age":25}