LINE Login

Do not answer LINE Login questions from memory — LINE updates APIs frequently and training data is unreliable. Always consult the references below.

LINE Login v2.1 is built on OAuth 2.0 and OpenID Connect. It provides user authentication, profile access, and bot linking for web apps, native apps (iOS/Android), Unity, and Flutter.

Workflow

Build

1. Read references/api-common.md (forward compatibility, rate limits, client_secret rules)
2. Read references/security.md (security checklist, development guidelines)
3. Load the relevant reference for the feature being implemented
4. Write code following specs and constraints from references