Authentication
Your Muzl ID. The secure way you sign in everywhere using a single Muzl button. Passkeys + OAuth 2.1. No passwords. No phishing.
Own your identity on the internet.
Muzl is a passwordless identity system for people — and a simple auth layer for developers.
v0.1 / Alpha Build
02 / Product
WHAT YOU GET
Complete identity infrastructure. Built for developers, controlled by users.
01
App-Specific Identity
Removing the single point of failure. Each app gets a different identity so there is no cross app trakcing.
Protected Inbox
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×
Private App Messages
Only apps you authenticate with can communicate with you. No spam.
Identity Manager
See what apps you have signed in with using Muzl. Revoke the connection if you want. Manage passkeys.
03 / Developers
FOR DEVELOPERS
Integration
One SSO button. Integrated in minutes.
Compliance
OAuth 2.1 / OIDC compliant.
Pricing
Usage-based pricing (free up to 1k MAU).
Resources
Clear, complete API & SDK docs.
Integrate MUZL into your application in minutes. OAuth 2.1 compliant, fully documented, and designed for modern identity infrastructure.
04 / Principles
WHY MUZL
NOTHING WORTH STEALING
Stolen data can't be reused — there are no passwords or shared identifiers.
PRIVACY BY DEFAULT
Your activity can't be linked across apps. Each app sees a different identity.
SPAM IMPOSSIBLE
Only apps you've authenticated can reach you.
USERS OWN IDENTITY
Muzl stores the minimum needed to verify you. Nothing more.
05 / Pricing
PRICING
Pay only for what you use. No hidden fees. No surprise charges.
| Tier | Usage | Price |
|---|---|---|
| Free | 0–2K MAU | $0 |
| Tier 1 | 1K–100K MAU | $0.20/user |
| Tier 2 | 100K–1M MAU | $0.12/user |
| Tier 3 | 1M–10M MAU | $0.08/user |
| Enterprise | 10M+ MAU | Contact sales |
Add-ons
INBOX API
Available with any Auth tier
Message Delivery
1K+ messages/mo
$0.0007/message
Send transactional messages, notifications, and alerts directly to your users. Works seamlessly with any authentication tier.