WooCommerce Zapier WordPress plugin is fully compatible with WordPress 3.8.
With the imminent release of WordPress 3.8, we are happy to report that the We tested the latest version of the WooCommerce Zapier plugin (version 1.1) with the latest version of WooCommerce (version 2.0.20), and the latest WordPress 3.8 nightly build.
See the System Requirements section of the documentation for more details.
We hope you’re enjoying automating you WooCommerce store!