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Cross Registration Integration icon
Possibly abandoned Tested up to 2.9.2 #1 in BuddyPress Compatible

Cross Registration Integration

Integrates with the WordPress registration process to assist with the registration process for other systems. Meaning, this plugin will simultaneously transmit the user’s information entered in to your WordPress…

Active installs10+10+ tier
Downloads · 30d39▲ +50% vs prev. 30d
Rating—0 reviews
Health score23/100At risk
All-time downloads6.4KSince Mar 2010
Support resolved—No recent threads
RequiresWP 2.8.6PHP any
Downloads · 7d10▲ +66.7% week over week
Our verdict

Consider an alternative

Cross Registration Integration shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 17 years ago, and scores 23/100 on our health check.

  • Small user base (10+ active installs)
  • Very few reviews so far
  • No update in 16 years
  • Only tested up to WordPress 2.9 (latest is 7.1)

Daily downloads

123Jul 18Aug 31Oct 15
Yesterday2
Daily average (1y)1
Peak day4Feb 24, 2026
Last 12 months345

Download spikes usually follow a new release — each site that auto-updates counts as a download.

Rankings

Where Cross Registration Integrat… stands today

WordPress.org search rankings

Live position in the plugin search, top 100
KeywordPositionCompeting pluginsCategory
BuddyPress Compatible >100 370 Best BuddyPress Compatible plugins →
MailChimp Compatible >100 454 Best MailChimp Compatible plugins →
Registration Integration >100 2,914 Best Registration Integration plugins →
User Registration >100 4,667 Best User Registration plugins →

Version adoption

Share of active sites per release.

  • 1.2100.0%

About Cross Registration Integration

From the official readme · v1.2

Description

Integrates with the WordPress registration process to assist with the registration process for other systems.
Meaning, this plugin will simultaneously transmit the user’s information entered in to your WordPress
registration page to a URL you specify which can then handle creating a duplicate user account within your
other systems on your website. This can be particularly useful when you use WordPress as your primary platform
however use other systems such as a forum or eCommerce solution which would require the user to create another
account before being able to use that system. You could also use this plugin to interface with third party email
marketing systems, utilizing a custom script to send your own welcome messages, initiating custom sessions, or
triggering external functions.

Version 1.0 is now enabled to work with BuddyPress sites allowing you to maintain the same functionality. Upon enabling
the plugin, there will be a new set of options within the plugin administration panel allowing you to choose which
fields are transmitted to the Transaction URL once a user completes the BuddyPress controlled registration page.

Version 1.1 introduced one new feature and an enhancement to an existing feature. The amount of delay that was
previously experienced while waiting for the call to the Transaction URL was optimized to only add an
additional second or two to the overall load time. As for new features, on BuddyPress installations the profile
fields are also passed along. However, because of the dynamic nature of these fields there is not a
feasible way to assign new names to them as they pass so they will maintain their original form names (i.e –
field_1, field_2, etc… going down as an ordered list).

Version 1.2 further optimizes the methods by which the Transaction URL is called and respective form data passed.
Because the plugin uses a POST method, the receiving server should be expecting a POST as well. A later version
is planned to allow for the selection of either a GET or POST transaction. This version also confirms the ability
to work with the infamous MailChimp mailing system. For details regarding how to integrate with your MailChimp
list, please refer to http://www.gkauten.com/cross-registration-integration-meets-mailchimp.

If you find this plugin useful, please donate. Donations help pay for the massive amount of energy drinks
I consume and music I purchase on iTunes to keep the creative process going. It is also a good way of showing
support for my work which allows me to continue supporting and improving this plugin as WordPress continues
to evolve as one of the best known software systems out there.

Special thanks to Ewart at OneSportEvent.com for the inspiration.

Installation

  1. Upload ‘cross-registration-integration.php’ to the ‘/wp-content/plugins/’ directory
  2. Activate the plugin through the ‘Plugins’ menu in WordPress
  3. Visit the ‘Cross Integration’ sub-menu under the ‘Settings’ menu in WordPress
  4. Enter the Transaction URL which is responsible for handling the User’s registration information.
  5. The plugin will now automatically integrate with the WordPress, or BuddyPress, registration process.

Changelog

This version further enhanced the Transaction URL call methods and optimized field delivery. It also confirms integration with the MailChimp email marketing system.

1.2

  • Improved transaction post method.
  • Verified ability to integrate with the MailChimp email marketing system.

1.1

  • Reduced the amount of time required to process the Transaction URL transmission on registration.
  • Added BuddyPress Profile fields to the Transaction URL transmission on registration.

1.0

  • Added support for the BuddyPress social networking plugin.
  • Added Special Parameters field for higher level of customization.

0.9

  • Added the ability to choose which user entered fields were transmitted to the Transaction URL.
  • Added the ability to change the key name under which the fields were transmitted.

0.8

  • Corrected duplicate “New Registration” email occurances.

0.7

  • Encryption handling added.

Full changelog on WordPress.org →

Screenshots

Displays the administration panel for the plugin and available options.
Displays the administration panel for the plugin and available options.

For developers

Is this your plugin? Show off the numbers.

Add a live badge to your site, docs or GitHub README. It updates on its own — no account needed.

Active installs badge Rating badge Health score badge

FAQ

Cross Registration Integration: quick answers

Straight answers, pulled from live WordPress.org data.

Live data from WordPress.org · checked Oct 16, 2026

Is Cross Registration Integration free?

Yes. Cross Registration Integration is free to download and use from the official WordPress.org plugin directory.

Is Cross Registration Integration safe to use in 2026?

Cross Registration Integration shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 17 years ago, and scores 23/100 on our health check.

How many websites use Cross Registration Integration?

Cross Registration Integration is active on 10+ WordPress websites and has been downloaded 6,428 times since it launched in March 2010. It was downloaded 39 times in the last 30 days.

Does Cross Registration Integration work with WordPress 7.1?

Cross Registration Integration is officially tested up to WordPress 2.9.2, while the latest release is 7.1.3. It may still work, but try it on a staging site first.

When was Cross Registration Integration last updated?

The latest version, 1.2, was released on March 17, 2010 (17 years ago).

Who makes Cross Registration Integration?

Cross Registration Integration is developed and maintained by GKauten.

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