Asif Rahaman

Sparrow Email OTP Verification for Contact Form 7 provides a robust security layer for your website by verifying user email addresses before form submission. This effectively blocks bots, spammers, and malicious actors from flooding your inbox with fake data or invalid leads.
<h3>Why this plugin is different:</h3>
Most existing OTP plugins require you to pay for their proprietary API or use their specific SMTP service to send codes. This often leads to unexpected monthly costs and vendor lock-in.
This plugin is built with a “Your Server, Your Rules” philosophy. It sends OTP codes using the native <code>wp_mail()</code> function, meaning it utilizes your website’s default mail configuration or your preferred SMTP service. There are no extra costs, no hidden fees, and no third-party accounts required.
<h3>Features</h3>
<ul>
<li>Block Bots & Spam: Ensure every submission comes from a person with a valid, accessible email address.</li>
<li>Conditional Display (New v1.1.0): Dynamically hide verification elements inside an elegant wrapper box until an email string is typed.</li>
<li>Cost-Effective: Zero cost to send OTPs—it uses your existing server or SMTP setup.</li>
<li>Privacy First: No data is sent to external verification APIs; everything stays on your server.</li>
<li>Smart Detection: Automatically finds the email field in your Contact Form 7 forms.</li>
<li>Security-First Rate Limiting: Built-in protection to prevent OTP request abuse by limiting users to 3 attempts per 5 minutes per IP address.</li>
<li>Lightweight: Minimal footprint to ensure your site remains fast and passes Core Web Vitals.</li>
</ul>

Sparrow Email OTP Verification for Contact Form 7

Verify user emails with a secure OTP code to block bots and fake leads. Uses your own SMTP—no API fees, no subscriptions.

Konceptwise Digital Media Pvt Ltd

Tired of spam submissions and fake leads from your Contact Form 7 forms? Authyo OTP for Contact Form 7 helps you solve this by adding secure OTP verification before form submission.
With support for Email, SMS, WhatsApp, and Voice Call OTP, you can ensure that only genuine users submit your forms — improving lead quality and reducing unwanted entries.
The plugin is designed to work seamlessly with Contact Form 7 and provides an easy setup experience without complex configurations.
This plugin is an independent add-on for Contact Form 7, developed and maintained by Konceptwise Digital Media Pvt. Ltd., and integrates securely with the Authyo OTP service.
“This plugin is an add-on for Contact Form 7 and is not developed by or affiliated with the Contact Form 7 authors.”
<h4>Key Features</h4>
OTP Verification
<ul>
<li>Add OTP verification to Contact Form 7 forms</li>
<li>Email OTP using <code>[authyo_email]</code> shortcode</li>
<li>Phone OTP using <code>[authyo_phone]</code> shortcode</li>
<li>Automatic verification on OTP entry</li>
<li>Custom messages for OTP sent, verified, and failed states</li>
<li>Enable or disable OTP per form</li>
</ul>
OTP Delivery Channels
<ul>
<li>Email OTP</li>
<li>SMS OTP (India & international)</li>
<li>WhatsApp OTP</li>
<li>Voice Call OTP (available in India)</li>
<li>Automatic fallback between channels if configured</li>
</ul>
Spam Protection & Security
<ul>
<li>Prevent fake submissions and spam entries</li>
<li>Verify email addresses and phone numbers before submission</li>
<li>Uses secure API communication with validation</li>
<li>Follows WordPress coding standards (nonce & sanitization)</li>
</ul>
Google Sheets Integration
<ul>
<li>Automatically send form entries to Google Sheets</li>
<li>Multi-sheet support for different forms</li>
<li>Custom column mapping for form fields</li>
<li>Dynamic sheet/tab creation</li>
</ul>
Form Control
<ul>
<li>Set custom redirect URL after successful submission</li>
<li>Works with AJAX and popup forms</li>
</ul>
<h4>Who Can Use This Plugin?</h4>
<ul>
<li>Website owners using Contact Form 7 for lead generation</li>
<li>Businesses looking to reduce spam and fake inquiries</li>
<li>Agencies managing multiple client websites</li>
<li>Developers building secure and verified forms</li>
</ul>
<h4>Live Demo</h4>
https://wpplugins.authyo.io/authyo-otp-for-contact-form-7/
<h4>Video Tutorial</h4>
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/hhBnj1WWDdI?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe>
<h3>External Services</h3>
This plugin connects to external Authyo services in the following scenarios:
<h4>OTP Verification</h4>
Service used: Authyo (https://app.authyo.io) 
Purpose: OTP verification (send and verify one-time passwords) 
Data sent: Email or phone number for verification 
When: During OTP request and verification on frontend forms 
Provider: Authyo Inc. / Konceptwise Digital Media Pvt. Ltd. 
Terms: https://authyo.io/terms-service 
Privacy Policy: https://authyo.io/privacy-policy
<h4>Support Requests</h4>
Service used: Authyo (https://app.authyo.io) 
Purpose: Delivering support/help requests submitted by the site administrator 
Data sent: Admin’s message, email address, site URL, plugin version, WordPress version, PHP version 
When: Only when the site administrator explicitly submits the help form in the Support tab 
Provider: Authyo Inc. / Konceptwise Digital Media Pvt. Ltd. 
Terms: https://authyo.io/terms-service 
Privacy Policy: https://authyo.io/privacy-policy
<h4>Plugin Activation & Deactivation Tracking</h4>
Service used: Authyo (https://app.authyo.io) 
Purpose: Anonymous plugin usage tracking and deactivation feedback 
Data sent: Plugin version, page URL, and optional deactivation reason 
When: On plugin settings save (non-blocking) and plugin deactivation (optional feedback) 
Provider: Authyo Inc. / Konceptwise Digital Media Pvt. Ltd. 
Terms: https://authyo.io/terms-service 
Privacy Policy: https://authyo.io/privacy-policy
<h3>Dependencies</h3>
This plugin requires the Contact Form 7 plugin to be installed and activated.
Contact Form 7 is developed by Takayuki Miyoshi and is available on WordPress.org: 
https://wordpress.org/plugins/contact-form-7/

Authyo OTP for Contact Form 7

Add OTP verification (Email & Phone) to Contact Form 7. Reduce spam and allow only verified users via SMS, WhatsApp, Email, or Voice Call.

Sparrow Email OTP Verification for Contact Form 7 vs Authyo OTP for Contact Form 7