Skip to main content
Crossmint Auth is a quick-to-integrate authentication solution, ideal for staging environments, demos, and prototyping. It lets you authenticate users using web3 or traditional sign-in methods:
  • Email OTP: passwordless sign-in using a one time code delivered to the user’s email.
  • Social Accounts: Sign in with Google, Apple, X, and more.
  • Farcaster: using the Sign In With Farcaster (SIWF) standard.
  • External wallets: connect with crypto wallets for Web3 authentication.

​
When to use Crossmint Auth

ScenarioRecommendation
Staging / prototypingUse Crossmint Auth. Get up and running in minutes
Demos and quickstartsUse Crossmint Auth. Minimal setup, great for testing
Production applicationsBring your own auth provider for full control over user management

​
Key Characteristics

Seamless connection between wallets and user accounts

Optionally create or link user wallets with all your user accounts, to have a single, unified identity system across your backend and web3 app.

Securely authorize your users

Authorize calls to your backend services, and to any of Crossmint’s products: minting, payments, subscriptions, etc.

Drag and drop integration

Setup is quick and easy. Launch your app in under 5 minutes.

​
Get started

Quickstart

Get started with Crossmint Auth in under 5 minutes. Great for staging and prototyping.

Bring Your Own Auth

Recommended for production. Use Auth0, Firebase, Supabase, or any JWT-based provider with Crossmint.

Create Wallets for your users

More detailed guide on how to integrate wallets upon user login.

User Profile

Get and update user information.

Talk to an expert

Contact our sales team for advanced support.