xSend and Check TTS (Text-to-Speech) Voice Calls and Email Verification
This workflow implements dual authentication by automatically dialing voice calls and sending email verification codes. After the user submits their information, the system generates a voice verification code and makes a call, followed by sending the verification code via email to ensure the security of the user's identity. It supports multiple languages and different voice options to enhance the user experience. This is suitable for registration, login, and other scenarios that require high security, effectively preventing automated attacks, simplifying the verification process, and ensuring the accuracy and convenience of the verification.
Tags
Workflow Name
xSend and Check TTS (Text-to-Speech) Voice Calls and Email Verification
Key Features and Highlights
This workflow implements a dual-factor verification process combining text-to-speech (TTS) voice call verification and email code verification. It leverages the ClickSend API to automatically place voice calls containing verification codes, while simultaneously sending email codes via SMTP services, enabling multi-channel identity authentication. The process includes automatic code generation, formatting of voice verification codes with character spacing for clear TTS playback, form-triggered user input validation, and supports multiple languages and gender voice options to enhance user experience and verification accuracy.
Core Problems Addressed
- Automates the sending of voice verification calls, reducing manual dialing and notification costs
- Enhances security and trustworthiness of user authentication by combining email verification codes
- Supports multiple languages and voice gender options to accommodate diverse regions and user preferences
- Provides verification code correctness checks to ensure rigorous and effective validation
- Enables end-to-end interactive verification through form triggers and feedback mechanisms
Application Scenarios
- Two-factor authentication (2FA) during user registration or login
- Security scenarios requiring dual verification via phone and email
- Remote identity confirmation and prevention of automated attacks
- Verification of codes in customer notification and confirmation workflows
- Voice notification services in multilingual environments
Main Process Steps
- Users submit their phone number, voice preference, language, email, and name via a form.
- The system sets a voice verification code (e.g., “12345”) and formats the code with spaced characters for optimal TTS playback.
- The ClickSend API is used to send a voice call containing the verification code to the user.
- The user enters the received voice verification code into another form, and the system validates its correctness.
- Upon successful voice code verification, the system generates an email verification code (e.g., “56789”) and sends it to the user’s email via SMTP.
- The user inputs the email verification code, which the system verifies for a match.
- If all verifications pass, a success page is displayed; if any code is incorrect, a failure notification is shown.
Involved Systems and Services
- ClickSend API: For sending voice calls with text-to-speech functionality.
- SMTP Email Service: For sending email verification codes.
- n8n Form Trigger and Form Nodes: For capturing user input and performing code validation.
- HTTP Request Node: For invoking external APIs.
- Code Node: For formatting verification code text.
- Conditional Logic Node: For verifying the correctness of user-entered codes.
Target Users and Use Cases
- Enterprises and developers requiring high-security user authentication
- Product teams offering multi-channel verification code services
- Automation engineers aiming to streamline code sending and validation workflows
- Internationalized applications serving multilingual user bases
- Online service platforms prioritizing excellent user experience and security
By integrating dual verification via voice and email, this workflow significantly enhances the security and convenience of identity authentication, making it suitable for a wide range of user identity confirmation scenarios.
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