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.

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The TargetSMS Verify SMS allows you to implement verification by sending an SMS with a confirmation code to the specified phone number. SMS messages are sent via the service targetsms.ru. WooCommerce must also be installed.
<h4>Privacy notices</h4>
In the plugin, you can configure:
<ul>
<li>enable/disable verification during registration and/or password recovery;</li>
<li>specify the length of the confirmation code;</li>
<li>specify the validity time of the confirmation code;</li>
<li>specify text for SMS during registration and/or password recovery;</li>
</ul>

Verification SMS with TargetSMS

The plugin allows you to implement verification via SMS for WooCommerce.

OTP Add-on for Booking Calendar vs Verification SMS with TargetSMS