# Open Cart ## System Requirement * PHP 7.0 or later * Opencart 3.0.x {% hint style="info" %} Notes : This version is not compatible with older versions of Opencart {% endhint %} ## Installation Steps * Download LeanX Opencart 3.0 extension from the link [below](#extension-file). The file must have \*.ocmod.zip extension name at the end of the file. * Login into Opencart 3.0 admin. Go to Extensions > Installer. * Upload the file you downloaded. * Go to Extensions > Extensions. Filter extensions by Payments. * Find and install LeanX extension. * Edit the extension, and set your Auth Token, Collection UUID, Hash Key. * Update Status field to Enabled. * Save and done ## Extension File {% embed url="" %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.leanx.io/api-docs/suite-plugin/open-cart.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.