Lining up the boxes…

Gallery Cheat sheets Templates Blog Open canvas

Sign in with Google

Robin SinghOctober 13, 2026

OAuth 2.0 authorization code flow, step by step.

Diagram: Sign in with Google

In this diagram

Sign in with Google
Click “Sign in”
Google consent screen
Allowed?
Redirect back with ?code=
Server swaps code for tokens
client secret stays server-side
Create session
Back to app
yes
no

Made with Diagramly: hand-drawn diagrams from boxes, arrows or a typed line.

Draw your own →

Sign in with Google by Robin Singh · Diagramly