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OAuth 2.0 PKCE Flow
OAuth 2.0 PKCE Flow
BH
|
Aug 27, 2026 · 07:19 PM
User
App
Browser
Auth Server
Token API
Resource API
Create code_verifier
1
Authorize (code_challeng…
2
Login + consent
3
Auth code
4
Auth code
5
Exchange (code + verifier)
6
Access token
7
GET /data (Bearer)
8
200 Protected data
9
User
App
Browser
Auth Server
Token API
Resource API