- 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
| Scenario | Recommendation |
|---|---|
| Staging / prototyping | Use Crossmint Auth. Get up and running in minutes |
| Demos and quickstarts | Use Crossmint Auth. Minimal setup, great for testing |
| Production applications | Bring your own auth provider for full control over user management |
Key Characteristics
Securely authorize your users
Authorize calls to your backend services and any Crossmint product.
Link wallets and user accounts
Unified identities across your backend and the blockchain.
Drag and drop integration
Launch your app in under 5 minutes.
Get started
React Quickstart
Get started with Crossmint Auth in a React web app in under 5 minutes.
React Native Quickstart
Get started with Crossmint Auth in an Expo app in under 5 minutes.
Bring Your Own Auth
Recommended for production. Use Auth0, Firebase, Supabase, or any JWT-based provider with Crossmint.
Create wallets
Detailed wallet creation guide.
User Profile
Get and update user information.
Talk to an expert
Contact our sales team for advanced support.