WebInk Digital

This plugin is an add-on for the <a href="https://wordpress.org/plugins/booking/" rel="ugc">Booking Calendar</a> plugin and requires it to function (version 10.10.2 or newer).
It enhances booking security by introducing One-Time Password (OTP) verification via SMS or email. When a user attempts to confirm a booking, they are prompted to verify the action with an OTP, helping to ensure the authenticity of the request.
SMS verification is provided via the <a href="https://sms.to" rel="nofollow ugc">SMS.to</a> service. You must have an active SMS.to account and API key configured in the plugin settings to enable SMS delivery.
<h3>External Services</h3>
This plugin connects to an external service to send One-Time Passwords (OTP) via SMS as part of the booking verification process.
Service Used: <a href="https://sms.to" rel="nofollow ugc">SMS.to</a> 
What it’s used for: Sending OTPs (One-Time Passwords) via SMS during booking confirmations. 
What data is sent and when: 
– The recipient’s phone number 
– The OTP message content 
These are sent to the SMS.to API at the time a booking requires verification via SMS.
Terms of Service: https://sms.to/terms/ 
Privacy Policy: https://sms.to/privacy-policy/

OTP Add-on for Booking Calendar

Adds One-Time Password (OTP) verification via SMS or email to the Booking Calendar plugin for secure booking confirmations.

Tim Ehling

As a WordPress owner who values both security and a seamless user experience, you often face the challenge of protecting sensitive information. Most password solutions force your visitors to register for an account, granting them potential access to your WordPress environment.
This is where “OTP Content Protect” comes in, offering an innovative way to protect your content with a One-Time Password (OTP).
Our plugin was designed to give you full control over your content without opening the doors to your WordPress backend for strangers. Easily and effectively protect individual posts, pages, or even downloads. Your visitors don’t need an account and don’t have to register—they simply enter the one-time password you provide and get instant access.
By not granting unnecessary backend access, you actively minimize the risk of hacker or spam activities. “OTP Content Protect” is the perfect blend of simplicity, security, and innovation, making it the ideal password protection for your WordPress site when you need to lock specific content without burdening users with registration.
<h4>Support & Feature Requests</h4>
We are constantly developing the plugin and welcome your feedback!
<ul>
<li>For questions or issues, please use the official <a href="https://wordpress.org/support/plugin/otp-content-protect/" rel="ugc">Support Forum on WordPress.org</a> or report a bug directly via our <a href="https://die-mainagentur.de/en/wordpress-plugin-otp-content-protect/#submitbug" rel="nofollow ugc">Submit a Bug form</a>.</li>
<li>Have an idea for a new feature? Submit your feature request easily through our website: <a href="https://die-mainagentur.de/en/wordpress-plugin-otp-content-protect/#featurerequest" rel="nofollow ugc">Submit a Feature Request</a>.</li>
</ul>
<h3>Features</h3>
<ul>
<li>Protection Without Registration: The key advantage—visitors don’t need a WordPress account.</li>
<li>Flexible Content Protection: Secure posts, pages, or any custom post type.</li>
<li>Simple Password Generation: Creates secure, alphanumeric OTPs (8–10 characters).</li>
<li>Full Control: Stores creation date, optional expiration date, and a timestamp of when it was used.</li>
<li>Reusable Passwords: A used OTP can easily be reset for reuse.</li>
<li>Modern Admin Interface: AJAX-powered content list with search and convenient post-type tabs.</li>
<li>Clean Uninstall: An uninstall script completely removes all plugin data from the database upon deletion if desired.</li>
<li>Built for the World: Fully internationalized (i18n) and ready for translation.</li>
</ul>
<h3>Usage</h3>
<ol>
<li>Go to the OTP Protect settings page.</li>
<li>Select the content to protect and generate or enter an OTP.</li>
<li>(Optional) Set an expiration date.</li>
<li>Save the OTP and share it with the intended users.</li>
<li>When a visitor accesses the protected content, they will see a simple input form for the password.</li>
<li>Upon valid entry, the original content is displayed instantly.</li>
<li>In the admin overview, you can easily reset or delete used OTPs.</li>
</ol>

OTP Content Protect

The easiest way to protect WordPress content with an OTP. Secure posts and pages with a one-time password—no user registration required.

OTP Add-on for Booking Calendar vs OTP Content Protect