Cotter
Cotter
Blog
Dashboard
Get help on Slack 👋
🚀 Getting Started
Features & Concepts
📌 Quickstart Guides
All Guides & Tutorials
HTML – Sign in with Email/Phone
React – Sign in with Email/Phone
React – WebAuthn
▲ Next.js
Angular
Webflow
Bubble.io
Python SDK for a CLI
React Native – Sign in with Device
iOS – Sign in with Device
Flutter – Sign in with Device
📘 SDK Reference
Web
React Native
Flutter
iOS
Android
Sign In with Device
Sign In with Email/Phone Number
Biometric/Pin
Older SDK Version
Python (for CLI)
API for Other Mobile Apps or CLI
Backend: Handling Response
🛡️ Protecting Your Account
Only Allow Your Website/App to Use Your API Key
Rate Limit
Enable reCAPTCHA to Protect Against Automated Abuse
🗝️ Getting Access Token
Cotter's OAuth 2.0 Tokens Specification
Getting the Tokens
Storing and Removing Tokens
Renewing Expired Tokens
Verifying JWT Tokens
Requesting Custom Fields on your JWT Token
Older API
🔌 API Reference
User API
OAuth Tokens API
OAuth Tokens from Social Login
Event Object
Reset PIN API
Older API
Validating Cotter's Identity Token
Validating Cotter's Event Response
Powered by GitBook

Android

The easiest way to add Passwordless Login and Email/Phone Number Verification to your Android app.

Complete Guides

Sign in with Device

Allow users to login automatically from a device that they trust.

Sign in with Email/Phone Number

Authenticate users by sending a Magic Link or OTP via email, SMS, or WhatsApp.

Add Biometric/Pin

Add a second layer to protect your mobile app using Biometric or Pin.

​

Previous
Biometric/Pin
Next
Sign In with Device
Last updated 8 months ago