Supabase Auth Has Free Authentication — Here's How to Add Login to Any App in 10 Minutes

Rolling your own auth is dangerous. Buying Clerk is expensive. Supabase Auth is free, secure, and works with any framework. What is Supabase Auth? Supabase Auth is a free, open-source authentication system built on GoTrue. It supports email/password, magic links, phone auth, and 20+ social providers — all with Row Level Security built in. Free Tier 50,000 monthly active users Unlimited API requests Social OAuth (Google, GitHub, Discord, etc.) Email/password Magic links Phone auth (OTP) Quick Start bun add @supabase/supabase-js import { createClient } from ' @supabase/supabase-js ' ; const supabase = createClient ( process . env . SUPABASE_URL ! , process . env . SUPABASE_ANON_KEY ! ); Email/Password Auth // Sign up const { data , error } = await supabase . auth . signUp ({ email : ' alice@example.com ' , password : ' securepassword123 ' , }); // Sign in const { data , error } = await supabase . auth . signInWithPassword ({ email : ' alice@example.com ' , password : ' securepassword123