High-intent workflow

OAuth Callback Testing on localhost

Test OAuth redirect and callback flows for Google, GitHub, and custom IdPs without repeated staging deploys.

Start OAuth callback tunnelPlan o hikaku

Who this is for

App teams integrating social login and identity provider callbacks.

Primary keyword

oauth callback localhost

Verification checkpoint

Register exact callback URLs and enforce state parameter validation.

Quick start pattern

Command

instatunnel --port 3000 --subdomain oauth-dev

Public endpoint example

https://oauth-dev.instatunnel.my/auth/callback
Step-by-step docs o hirakuRelated workflow pageImplementation blog o yomu

Kono workflow o ima launch

Free kara hajime, local de kensho, MCP/limits/analytics ga hitsuyo ni nattara upgrade shite kudasai.

Start OAuth callback tunnelPlan o hikakuSubete no use case o miru
OAuth Callback Testing on localhost | InstaTunnel