This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.



Enables a single signon (SSO) login with Twinfield Online Accounting

Arbitrary section

The usage of this plugin is for your own risk. The plugin needs valid Twinfield credentials to logon in Twinfield, the user information is stored encrypted, but can be decrypted, by anyone who has access to the WordPress database and/or this plugin.

A brief Markdown Example

Ordered list:

  1. Setup the Twinfield enviroment connection
  2. Addition to store the Twinfield credentials on a WordPress user
  3. Widget to show the SSO button on sidebar


This section describes how to install the plugin and get it working.

  1. Upload twinfield.php to the /wp-content/plugins/ directory
  2. Activate the plugin through the ‘Plugins’ menu in WordPress
  3. Enter in the menu Settings>Twinfield the Twinfield environment code
  4. Per WP user enter the Twinfield credentials, the office code is optional.
  5. Add the Twinfield widget to a sidebar to enable the SSO option.


Is Twinfield SSO enabled for all users?

No, SSO is not enabled by default, you need to contact your Twinfield accountmanager or the Customer Support Organization ( to receive an addendum to your default contract. When this document is signed, Twinfield will enable the SSO option on your environment.

Do I need to have a SSL certificate to setup a SSO connection?

Yes, we strongly advice to use a valid SSL certificate.

Contributors & Developers

“Twinfield” is open source software. The following people have contributed to this plugin.


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Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.



  • Fixes in the sso.php file
  • Removal of the Twinfield credentials from the users has been updated