Overview
A Flutter package designed to simplify the process of sending and validating one-time passwords (OTPs) via SMS. It supports customizable OTP lengths, typically four digits, and integrates with phone numbers including country codes. The package streamlines user authentication flows by handling OTP generation, delivery, and verification in a secure and efficient manner. Ideal for login, registration, or account recovery workflows requiring two-factor authentication.
Use cases
- User login with OTP
- Account verification
- Password reset
- Two-factor authentication
- Secure onboarding
- SMS-based authentication
Key features
- Customizable OTP length
- SMS integration for OTP delivery
- Support for country codes
- Simple API for OTP validation
- Secure OTP handling
- Easy setup with minimal configuration
Suitable for
- Mobile apps requiring OTP verification
- Authentication systems
- User registration flows
- Security-focused applications
- Apps using SMS-based 2FA
- Developers seeking quick OTP implementation
Considerations
- Relies on external SMS services
- Limited to SMS delivery method
- No built-in OTP expiration management
- Requires proper error handling for failed deliveries
- Depends on third-party SMS provider reliability
- Not suitable for offline use