Simple pricing. No surprises.

Start free with 10,000 users. Scale when you're ready. No credit card required.

Monthly Annual Save 17%
Free
$ 0 /month

10,000 MAU on managed cloud. No credit card required.

 
  • 10,000 MAU included
  • All 6 auth methods (SMS, Email, Magic Links, Password, OAuth, MFA)
  • BotShield fraud protection
  • React & JS SDKs
  • 100 SMS included/mo
  • Community support
  • 1 tenant
Start Free

No credit card required

Starter
$ 29 /month

25,000 MAU. Custom branding and webhooks.

Save $60/year
  • 25,000 MAU included
  • Everything in Free, plus:
  • Custom branding (SMS sender, email templates, colors)
  • Webhooks with HMAC signing
  • 500 SMS included/mo
  • Email support (48h response)
  • Up to 3 tenants
Get Started

$0.005/MAU overage

Most Popular
Pro
$ 79 /month

50,000 MAU. Rust middleware and post-quantum security.

Save $156/year
  • 50,000 MAU included
  • Everything in Starter, plus:
  • Rust-powered middleware (42x faster auth)
  • Post-quantum webhook signatures
  • Structured JSON logging
  • Circuit breakers & health monitoring
  • 2,000 SMS included/mo
  • Priority support (24h response)
  • Up to 10 tenants · 99.9% SLA
Start Pro

$0.005/MAU overage

Enterprise
Custom

Unlimited MAU. Self-hosted, HIPAA, post-quantum.

 
  • Unlimited MAU
  • Everything in Pro, plus:
  • Self-hosted deployment (Docker, K8s)
  • PII encryption at rest (AES-256-GCM)
  • HIPAA BAA available
  • Post-quantum JWT attestation & Kyber key exchange
  • Unlimited tenants · Custom SMS pricing
  • Dedicated support + Slack channel
  • 99.99% SLA
Contact Sales

Custom contract & onboarding

Usage Pricing

Transparent overage & SMS rates

No surprises. Pay only for what you use beyond your plan.

MAU Overage

After your plan's MAU limit, additional users are billed per MAU. No service interruption.

$0.005 /MAU

Compare: Auth0 $0.015 · AWS Cognito $0.015 · Clerk ~$0.02

SMS Pricing

Each plan includes free SMS. Additional SMS billed by volume tier.

Up to 5K/mo $0.015/SMS
5K – 25K/mo $0.012/SMS
25K – 100K/mo $0.008/SMS
100K+/mo $0.005/SMS
Compare Plans

Feature comparison

See exactly what you get with every plan

Feature Free Starter Pro Enterprise
Monthly Active Users 10,000 25,000 50,000 Unlimited
SMS OTP
Email OTP
Magic Links
Password (Argon2id)
OAuth (Google/GitHub/Apple)
MFA / TOTP
BotShield Protection
React & JS SDK
OpenAPI Docs
SMS Included 100/mo 500/mo 2,000/mo Custom
Tenants 1 3 10 Unlimited
Custom Branding —
Webhooks (HMAC) —
Email Templates —
Rust Middleware (42x) — —
PQ Webhook Signatures — —
Structured Logging — —
Circuit Breakers — —
Self-Hosted — — —
PII Encryption — — —
HIPAA BAA — — —
PQ JWT Attestation — — —
SLA — — 99.9% 99.99%
Support Community Email (48h) Priority (24h) Dedicated + Slack
Overage (per MAU) $0.005 $0.005 $0.005 Custom
Cost Comparison

How we compare

Real pricing at real scale. No hidden fees.

MAU Auth1 Auth0 Clerk AWS Cognito
1,000 Free Free Free Free
10,000 Free Free Free Free
25,000 $29/mo $35/mo Free Free
50,000 $79/mo $375+ ~$0 $225
100,000 $329/mo $750+ ~$1,000 $600
500,000 $2,329/mo $3,750+ ~$9,000 $2,475
FAQ

Frequently asked questions

Everything you need to know about Auth1 pricing

Any user who authenticates at least once in a billing month. If a user logs in 100 times, they still count as one MAU. Inactive users are not counted.
We charge $0.005 per additional MAU. No service interruption -- your users will never be locked out. We send automated alerts at 80% and 100% of your quota so there are no surprises on your invoice.
Yes, all auth methods and BotShield are included on every plan. Pro adds performance features (Rust middleware for 42x faster auth) and infrastructure tools (structured logging, circuit breakers, post-quantum webhook signatures).
No. Start immediately with just an email. The free plan includes 10,000 MAU and all 6 auth methods with no time limit and no credit card required.
Yes. Upgrade or downgrade instantly from your dashboard. Prorated billing ensures you only pay for what you use. No cancellation fees or penalties.
Each plan includes free SMS (100 on Free, 500 on Starter, 2,000 on Pro). Additional SMS are billed per message based on volume tiers, starting at $0.015/SMS for up to 5K/mo and dropping to $0.005/SMS at 100K+/mo.
Yes. The Enterprise plan includes Docker and Kubernetes deployment with full source code. Run Auth1 in your own infrastructure with dedicated support and a 99.99% SLA.
Auth1 uses ML-DSA-65 (Dilithium) signatures for webhook verification and JWT attestation, protecting against future quantum computing attacks. Pro plan includes post-quantum webhook signatures; Enterprise adds PQ JWT attestation and Kyber key exchange.

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Free forever tier · All 6 auth methods · Cancel anytime