rijensky

OtpPal lets your WordPress site send and verify OTP (One-Time Password) messages via WhatsApp. This plugin enables secure phone number verification for your WordPress forms, helping prevent spam and ensuring legitimate user submissions.
Key Features:
<ul>
<li>WhatsApp OTP Delivery: Send one-time passwords directly to users via WhatsApp</li>
<li>Form Plugin Integrations: Seamless integration with various wordpress form plugins for phone verification</li>
<li>Flexible Phone Input: Support for both international and national phone number formats</li>
<li>Easy Configuration: Simple setup through WordPress admin panel</li>
<li>Secure Verification: Server-side validation ensures secure OTP verification</li>
<li>Rate Limiting: Built-in protection against abuse (OtpPal.com)</li>
<li>Customizable UI: Clean, responsive lightbox interface for OTP input</li>
<li>Integration Guide: Built-in documentation for every supported form plugin and login option, with a public page and admin access under My OtpPal</li>
</ul>
Use Cases:
<ul>
<li>Passwordless Logins</li>
<li>Verify phone numbers in contact forms</li>
<li>Prevent spam submissions with phone verification</li>
<li>Ensure legitimate user contact information</li>
</ul>
<h3>Configuration</h3>
<ol>
<li>Navigate to OtpPal > Settings in your WordPress admin panel</li>
<li>Enter your OtpPal API key</li>
<li>Choose your preferred Phone Format:
<ul>
<li>International: Users enter phone numbers with country code (e.g., +1234567890)</li>
<li>National: Users enter phone numbers without country code (e.g., 1234567890)</li>
</ul>
</li>
<li>If using National format, select a Default Country for phone number validation</li>
<li>Click Save Settings</li>
</ol>
<h3>Usage</h3>
Enable passwordless login by embedding the login button anywhere on your site with the [otppal_login] shortcode. 
Add an in-form verifiable phone input using the otppal_phone input, or add a verification modal using the otppal_verify input. 
You can customize the appearance of the login button and the verification modal in the plugin’s config.
OtpPal supports CF7, Elementor Pro, WPForms, Gravity Forms, Fluent Forms, Ninja Forms, Formidable Forms, SureForms 
If you need another integration, please to contact us.
OtpPal will automatically:
<ul>
<li>Initialize the embedded phone widget using your global OtpPal settings (phone format, default country).</li>
<li>Intercept the form submission, open the OTP modal, and only submit after successful verification.</li>
<li>
Write the verified phone number into a hidden field so your form plugin receives it like any other field.
</li>
<li>
Use either <code>otppal_phone</code> or <code>otppal_verify</code> in a single form – never use both.
</li>
</ul>
Integration Guide
After activation or upgrade, the plugin creates an Integration Guide page on your site (typically at <code>/integration-guide/</code>). You can also embed the guide anywhere with the <code>[otppal_integration_guide]</code> shortcode.
<ul>
<li>Open My OtpPal > Integration Guide in the WordPress admin for step-by-step setup instructions.</li>
<li>Share the public guide URL with your team or customers.</li>
</ul>
<h3>Support</h3>
For support, please visit the plugin’s support forum or contact the plugin author.

OtpPal

Client-side plugin for OtpPal – Send and verify OTPs via WhatsApp.

Maurice Hason

Limesnip Simple2FA adds email-based two-factor authentication to your site. After entering their username and password, users receive a 6-digit verification code via email that they must enter to complete login.
Features:
<ul>
<li>Email-based 2FA – no authenticator app required</li>
<li>Clean, Linear-inspired verification UI</li>
<li>Auto-advancing digit inputs with paste support</li>
<li>Auto-submit when all digits are entered</li>
<li>Role-based enforcement – choose which roles require 2FA</li>
<li>Configurable code expiration and max attempts</li>
<li>Optional “Remember this device” feature</li>
<li>HTML and plain text email support</li>
<li>Secure code storage (SHA-256 hashed)</li>
<li>Fully responsive design</li>
</ul>

Limesnip Simple2FA

Simple email-based two-factor authentication for WordPress. Adds a clean, Linear-inspired verification screen to your login flow.

OtpPal vs Limesnip Simple2FA