---
slug: /
sidebar_position: 1
sidebar_label: Auth Server
---

# Supabase Auth Server

The Supabase Auth Server (GoTrue) is a JSON Web Token (JWT)-based API for managing users and issuing access tokens.

GoTrue is an open-source API written in Golang, that acts as a self-standing API service for handling user registration and authentication for JAM projects. It's based on OAuth2 and JWT and handles user signup, authentication, and custom user data.

## Client libraries

- [JavaScript](https://github.com/supabase/gotrue-js)
- [Dart](https://github.com/supabase/gotrue-dart)

## Additional Links

- [Source Code](https://github.com/supabase/gotrue)
- [Known bugs and issues](https://github.com/supabase/gotrue/issues)
- [Auth Guides](https://supabase.com/docs/guides/auth)