The short answer
Supabase Auth is billed mau-based (+ platform fee). It has a free tier: 50k MAU (Free plan). The paid plans we list start at $25/mo (Pro).
Plans and prices
| Plan | Price | What it covers |
|---|---|---|
| Free | $0/mo | 50,000 monthly active users (MAU) included; community support; no uptime SLA. |
| Pro | $25/mo | 100,000 MAU included, then $0.00325 per additional MAU; SSO (SAML 2.0) available; email support. |
| Team | $599/mo | 100,000 MAU included, then $0.00325 per MAU; SSO, audit logs, priority email support & SLAs. |
| Enterprise | Custom | Custom MAU pricing, 99.9% uptime SLA, dedicated support, HIPAA, BYO-cloud options. |
How Supabase Auth bills you
The pricing model is mau-based (+ platform fee). Open-source Postgres-native auth (GoTrue) bundled with the Supabase backend, with row-level-security integration and a generous 50k-MAU free tier. Best suited to: postgres-native auth in an oss baas.
What to watch for on the bill
- Contractual uptime SLA (99.9%) and audit logs reserved for Team/Enterprise tiers
The pricing page we read
Source: https://supabase.com/pricing. Prices change, so confirm there before you commit.
Compare Supabase Auth with alternatives
Other authentication & identity apis: Auth0, Firebase Authentication, WorkOS, Clerk, Stytch.
Looking at quality rather than price? See the Supabase Auth score on APIbenchmarks. Full entry: Supabase Auth pricing.