# Supabase — Supabase Auth: Build vs. Buy

- Company: Supabase (supabase.com)
- Announced: 2025-08-12T17:00:00+00:00
- Category: not stated
- Coverage: not counted
- Announcement: no
- Group: routine
- Source: https://supabase.com/blog/supabase-auth-build-vs-buy
- Record: https://forck.live/items/21340-supabase-auth-build-vs-buy
- Subject: Supabase

Authentication appears in nearly every application but is rarely the core value proposition. Yet development teams often spend weeks or months building, testing, and maintaining auth systems. Let's explore the real costs of building authentication from scratch versus using a solution like Supabase Auth. How Supabase Auth works under the hood # Before diving into the cost analysis, it's important to understand what Supabase Auth is: Postgres-native authentication : Supabase Auth stores users directly in your Postgres database in the auth.users table, not in a separate service JWT-based : Authorization give you total control over security Row Level Security integration : Seamlessly connects authentication with Postgres's RLS policies Hybrid token architecture : Supabase Auth issues stateless JWTs for access control, while maintaining refresh tokens and session data in your Postgres database for secure, persistent login The hidden costs of building your own auth # When teams decide to build authentication, they're often thinking about the initial implementation only. But auth requires ongoing maintenance that can drain resources from your core product development. …

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