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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·0 active installs·Updated 11 months agoAs of April 2026, OTP Add-on for Booking Calendar is a WordPress otp plugin with 0 active installations and a 0/5 rating0. It has been downloaded 389 times in total. Requires WordPress 4.0+ and PHP 7.0+. Available on WordPress.org since 2025. Top alternative: Google Authenticator.
0/5Rating
0active installs
389total downloads
1 yearsince 2025
Overview
This plugin is an add-on for the Booking Calendar 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 SMS.to service. You must have an active SMS.to account and API key configured in the plugin settings to enable SMS delivery.
External Services
This plugin connects to an external service to send One-Time Passwords (OTP) via SMS as part of the booking verification process.
Service Used: SMS.to
What it’s used for: Sending OTPs (One-Time Passwords) via SMS during booking confirmations.
What data is…
Screenshots
Ratings & Reviews
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Compatibility
| WordPress | 4.0+ requiredTested up to 6.8.5 |
| PHP | 7.0+ required |
| Dependencies | booking |
Top Alternatives to OTP Add-on for Booking Calendar
Frequently Asked Questions
Changelog
1.0
- Initial release.
Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.