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OneCode Login provides a modern, passwordless authentication experience for your WordPress site. Instead of traditional passwords, users receive a secure 6-digit verification code via email.
<h4>Key Features</h4>
<ul>
<li>Passwordless Authentication – Users log in with just their email address</li>
<li>6-Digit Verification Codes – Secure, time-limited codes sent via email</li>
<li>Rate Limiting – Built-in protection against brute force attacks</li>
<li>Request ID Binding – Each code is bound to a specific login session for enhanced security</li>
<li>Neutral Feedback – Prevents user enumeration attacks by not revealing if an email exists</li>
<li>Customizable – Configure expiry times, cooldowns, and email templates</li>
<li>Accessible – Full keyboard navigation and screen reader support</li>
<li>Gutenberg Block – Easy to add login forms to any page</li>
<li>Shortcode Support – Use [onecode_login] anywhere</li>
<li>wp-login.php Integration – Optionally replace the default WordPress login</li>
<li>Developer API – Other plugins can use OneCode Login as an email one-time-code (OTP) service to verify a visitor’s email — see the Developer information section</li>
</ul>
<h4>Security Features</h4>
<ul>
<li>Cryptographically secure code generation</li>
<li>Codes and magic-link tokens are stored HMAC-hashed, never in plain text</li>
<li>Configurable code expiry (default: 10 minutes)</li>
<li>Resend cooldown to prevent spam</li>
<li>IP-based and email-based rate limiting</li>
<li>Automatic lockout after failed attempts</li>
<li>Codes are single-use and invalidated after successful login</li>
</ul>
<h4>Use Cases</h4>
<ul>
<li>Membership sites where password fatigue is an issue</li>
<li>Customer portals requiring simple authentication</li>
<li>Internal tools where security without complexity is needed</li>
<li>Any site wanting to improve user experience</li>
</ul>
<h3>Developer information</h3>
Other plugins on the same site can use OneCode Login as a generic email 
one-time-code (OTP) service — for example to verify a guest’s email before 
letting them act. OneCode emails the code and verifies it; your plugin keeps 
full control of its own login/session (OneCode only asserts that the code is 
valid for the email — it never logs anyone in). It works for any email 
address; the address does not need a WordPress account.
All entry points are plain functions (and matching filters), so you do not need 
a hard dependency on any class. The API is gated by the Settings → Advanced → 
Enable developer API toggle.
Detect support (side-effect free — never call the request hook just to probe):
<pre><code>if ( function_exists( 'onecode_login_request_otp' ) && onecode_login_supports( 'otp' ) ) { ... }
</code></pre>
<ol>
<li>
Start authentication — email a code and receive a handle:
$handle = onecode_login_request_otp( $email, array( ‘consumer’ => ‘my_plugin’ ) ); 
// $handle = array( ‘request_id’, ‘auth_secret’, ‘expires_in’ (seconds), ‘expires_at’ (UTC), ‘sent’ ) 
// On failure: a WP_Error (codes: disabled, invalid_request, rate_limited, cooldown).
</li>
</ol>
Keep <code>request_id</code> and <code>auth_secret</code> server-side (e.g. in a transient tied to the 
visitor). The <code>auth_secret</code> is NEVER shown to the customer — it is what stops an 
outsider who only knows the email from completing verification by guessing codes.
<ol>
<li>
Complete authentication — the customer gives your plugin the code from the email:
$result = onecode_login_verify_otp( array( 
 ’email’ => $email, 
 ‘request_id’ => $handle[‘request_id’], 
 ‘code’ => $code_from_customer, 
 ‘auth_secret’ => $handle[‘auth_secret’], 
 ‘consumer’ => ‘my_plugin’, 
) ); 
// Success: array( ‘valid’ => true, ’email’ => … ). Failure: WP_Error.
</li>
</ol>
On failure show a generic message to the user (the API intentionally returns a 
single <code>verify_failed</code> code so it can’t be used as an oracle).
Filters are also available for loose coupling: <code>onecode_login_request_otp</code> 
(<code>$pre, $email, $args</code>) and <code>onecode_login_verify_otp</code> (<code>$pre, $args</code>).
Discovery and capabilities:
<ul>
<li><code>onecode_login_supports( $feature )</code> — returns true for <code>'otp'</code>, 
 ‘identity_assertion’ and <code>'any_email'</code>.</li>
<li><code>onecode_login_api()</code> — returns the <code>OneCode_Login_API</code> service instance.</li>
<li><code>OneCode_Login_API::VERSION</code> — the API contract version (independent of the 
plugin version), so you can feature-gate against the API surface.</li>
<li><code>do_action( 'onecode_login_api_init', $api )</code> — fires once the API is ready; 
bind to it if you want to wire up as soon as OneCode Login loads.</li>
</ul>
Reference: <code>$args['consumer']</code> (a short <code>[a-z0-9_-]</code> label identifying your 
integration) is required on both calls — it isolates your codes and rate limits 
from the built-in login and from other consumers. Both request and verify are 
rate-limited by OneCode, returning <code>rate_limited</code> / <code>cooldown</code> WP_Errors you can 
surface to the user.

OneCode Login

Simple and secure passwordless login using email verification codes. No passwords to remember, just enter your email and verify with a 6-digit code.

Mohamed Endisha

Secure Passkeys is a powerful WordPress plugin that enables seamless passwordless authentication using WebAuthn technology. By eliminating the need for traditional passwords, it enhances security and improves the user login experience. With support for biometric authentication, security keys, and device-bound credentials, Secure Passkey provides a robust and user-friendly solution for modern authentication.
Unlike traditional password-based authentication, Secure Passkey leverages cryptographic key pairs to ensure secure logins. The private key remains securely stored on the user’s device, while the public key is registered with the WordPress site. This method protects against phishing attacks and password breaches, ensuring that only authorized users can gain access.
Secure Passkeys integrates effortlessly into WordPress, allowing users to register and manage their passkeys from their profile settings. Once registered, users can log in using their fingerprint, face recognition, or a hardware security key without the need to remember or enter a password.
<h3>Features</h3>
<ul>
<li>Passwordless Login: Secure authentication via WebAuthn with biometric devices, security keys, Touch ID, Face ID, and more.</li>
<li>Enhanced User Experience: Password-free login for a smoother user journey.</li>
<li>Integration Support:
<ul>
<li>WordPress default login form</li>
<li>WooCommerce login page</li>
<li>MemberPress login form</li>
<li>Easy Digital Downloads login form</li>
<li>Ultimate Member login form</li>
</ul>
</li>
<li>Admin Management: Administrators can delete, activate, or deactivate users directly from plugin settings or user profiles.</li>
<li>Passkeys Reminder Notice: New option to enable or disable the passkeys reminder notice in the WordPress admin area for users who have not yet enabled passkeys.</li>
<li>Activity Logging: Monitor activity logs and track last login/registration of passkeys.</li>
<li>Multiple Passkeys: Supports multiple passkey registrations per user, with the option to set a registration limit or allow unlimited registrations.</li>
<li>Role Restrictions: Restrict and exclude specific user roles from using passkey authentication.</li>
<li>Customizable Settings: Adjust timeout settings for passkey registration and login.</li>
<li>User Verification: Enforce user verification for enhanced security.</li>
<li>Frontend Customization: Easily customize frontend themes or add your own with basic frontend skills.</li>
<li>Theme Support: Supports pre-built themes like YOOtheme (UIkit) for frontend shortcodes.</li>
<li>Shortcodes: Embed passkey login and registration forms on custom frontend pages.</li>
<li>Passkey Display: Show passkey details in admin user lists and profiles.</li>
<li>Multisite: Supports WordPress Multisite and single-site installations.</li>
<li>Database Optimization: Option to allow or disallow automatic deletion of old challenge records and activity logs (configurable schedule).</li>
</ul>
<h4>Requirements</h4>
<ul>
<li>WordPress 6.0 or newer.</li>
<li>PHP version 7.4 or newer.</li>
</ul>
<h3>License</h3>
Secure Passkeys is licensed under the GNU General Public License v2 or later.

Secure Passkeys


This is the best Passkey plugin for WP that I have ever used! Absolutely amazing work! Thank you !!


Awesome!!!!

Perfect - lightweight, simple and free

Secure Passkeys is a powerful WordPress plugin that enables passwordless authentication using WebAuthn technology.

OneCode Login vs Secure Passkeys