Develop a phone number verification system for a web application. The system should prompt users to enter their phone number, send a six-digit verification code via SMS, and allow users to complete the verification process by entering the received code. The design should consider the user experience on mobile devices, including the potential for automatic code completion from SMS messages. The system should include error handling for invalid phone numbers and incorrect verification codes. The user interface should be clean and intuitive, providing clear instructions and feedback throughout the verification process. Consider the following steps: 1. Phone number input with validation. 2. SMS sending mechanism. 3. Code input and verification. 4. Success and error states. 5. Mobile-friendly design with auto-complete features.
I'll create a comprehensive phone number verification system with a clean, mobile-friendly interface and proper error handling. This system will use Supabase for SMS OTP functionality.
I've created a comprehensive phone number verification system with the following features:
Key Features
Phone Number Input with Validation
- Auto-formatting as user types: (555) 123-4567
- Real-time validation for 10-digit US numbers
- Clear error messaging for invalid formats
SMS Integration
- Uses Supabase Auth for reliable SMS delivery 1
- Automatic phone number formatting (+1 prefix)
- Proper error handling for SMS failures
Code Input and Verification
- 6 individual input fields for better UX
- Auto-advance between fields as user types
- Paste support for codes copied from SMS
- Auto-complete friendly with
one-time-codeattribute
Mobile-Friendly Design
- Responsive layout optimized for mobile devices
- Large touch targets for easy interaction
- Proper input types (
tel,numeric) for mobile keyboards - SMS auto-fill support through proper HTML attributes
Error Handling & User Feedback
- Field-specific error highlighting
- Clear error messages for different scenarios
- Loading states during API calls
- Success confirmation with visual feedback
Additional UX Features
- Resend code functionality with cooldown timer
- Ability to go back and change phone number
- Visual progress indicators with icons
- Clean, professional design with proper spacing
Setup Requirements
To use this system, you'll need to:
- Set up a Supabase project with phone authentication enabled 1
- Configure an SMS provider (Twilio, MessageBird, etc.) 1
- Add your Supabase credentials to environment variables
The system handles the complete verification flow from phone input to successful verification, with proper error handling and mobile optimization throughout.
To configure the generation, complete these steps:
I'll fix the Supabase initialization error by creating a demo version that simulates the SMS functionality without requiring actual Supabase credentials.
I've fixed the Supabase initialization error by creating a demo version that simulates the SMS functionality. Here are the key changes:
Changes Made
- Removed Supabase Dependency: Eliminated the problematic Supabase client initialization that was causing the URL error.
Added Demo Mode: Created a simulation that:
- Generates a random 6-digit verification code
- Shows the code in an alert for testing purposes
- Validates the entered code against the generated one
- Includes realistic loading delays to simulate API calls
- Added Demo Indicators: Clear visual indicators that this is a demo mode, so users understand they're seeing a simulation.
Maintained All Features: The demo preserves all the original functionality:
- Phone number formatting and validation
- Code input with auto-advance
- Error handling and user feedback
- Mobile-friendly design
- Resend functionality with cooldown
How to Test
- Enter any valid 10-digit phone number (e.g., 555-123-4567)
- Click "Send Verification Code"
- An alert will show the generated code
- Enter the code in the verification fields
- The system will verify and show success
For Production Use
To implement this with real SMS functionality, you would:
- Replace the demo functions with actual SMS service integration (Twilio, AWS SNS, etc.)
- Add proper backend API endpoints for sending and verifying codes
- Implement rate limiting and security measures
- Remove the demo alerts and indicators
The system now works without any external dependencies and demonstrates the complete user flow!
Design a comprehensive user verification system for a web application that accommodates multiple validation methods. The system should provide options on the admin dashboard for three distinct verification flows: 1. SMS validation only, 2. Email validation only, and 3. Both SMS and email validations. For the scenario where both methods are selected, the user interface should display fields for entering both verification codes on the same screen. The flow should include the following components: 1. Input fields for phone number and email address, with appropriate validation for each. 2. Mechanisms for sending verification codes via SMS and email, ensuring users receive a six-digit code for each method. 3. Input fields for users to enter the received codes, with clear instructions for each method. 4. Error handling for invalid phone numbers, incorrect email formats, and mismatched verification codes. 5. A clean, intuitive, and mobile-friendly design that enhances user experience, including features for automatic code completion from SMS messages and clear feedback for success and error states throughout the verification process.