OTP Authenticator
One-Time Password Authentication for WordPress
4.7(3 reviews)
·60 active installs·Updated 4 years agoAs of April 2026, OTP Authenticator is a WordPress 2FA plugin with 60 active installations and a 4.7/5 rating from 3 reviews. It has been downloaded 4.4K+ times in total. Requires WordPress 4.9.5+ and PHP 7.0+. Available on WordPress.org since 2020. Last updated 4 years ago — may have compatibility concerns. Top alternative: Wordfence Security – Firewall, Malware….
4.7/53 reviews
60active installs
4.4K+total downloads
6 yearssince 2020
Overview
Add Two-Factor Authentication, Passwordless Authentication and Account Validation to your WordPress website.
Overview
This plugin adds the following major features to WordPress:
- 3 One-Time Password modes: Two-Factor Authentication, Passwordless Authentication and Account Validation.
- 3 Authentication Gateways for OTP Verification Codes: WordPress Email, Twilio SMS, Alibaba Cloud SMS ; all with option to use a sandbox mode.
- Two-Factor Authentication: allow (or force) users to authenticate with a second factor on top of their password.
- Passwordless Authentication: allow users to login simply with their username, an identifier, and an OTP Verification Code (identifier depending on the Authentication Gateway – email or phone number supported with the default gateways).
- Account Validatio…
Screenshots
Ratings & Reviews
4.73 reviews
5 ★
2
4 ★
1
3 ★
0
2 ★
0
1 ★
0
Compatibility
| WordPress | 4.9.5+ requiredTested up to 5.5.18 |
| PHP | 7.0+ required |
Top Alternatives to OTP Authenticator
Frequently Asked Questions
Changelog
1.1
- Update Alibaba library
- Add functin
otpa_is_email_gateway - Fix bugs when using email gateway
Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.