Developers

myPOS Plugin for Zen Cart

Easily accept secure card payments in your Zen Cart store with the myPOS Checkout plugin. Just follow these simple steps!

Supported Zen Cart Versions

Compatible with:

  • v1.5.0
  • v1.5.1
  • v1.5.2
  • v1.5.3
  • v1.5.4
  • v1.5.5

1. Install the Plugin

  1. Download the Plugin

    • Visit the Zen Cart Plugins & Addons Directory
    • Search for "myPOS Checkout"
    • Download the plugin ZIP file
    Search for myPOS Plugin

  2. Upload Plugin Files

    • Unzip the downloaded file
    • Use an FTP client or file manager to upload the files to your Zen Cart installation directory

  3. Log In to Admin Panel

    • Go to your Zen Cart Admin Dashboard
    Zen Cart Admin Login

  4. Install the Payment Module

    • Navigate to Modules > Payment
    • Find myPOS Checkout in the list
    • Click Install

Done! The myPOS Checkout payment method is now available in your store.

2. Configure the Plugin

You can set up myPOS Checkout in either:

  • Test Mode (for sandbox/testing)
  • Production Mode (for live payments)

Before you begin, make sure you’ve created your Checkout in your myPOS account.
See the Store Management section for help.

Switching Between Test and Production Modes

During setup, you’ll be asked if you want to enable Test Mode:

  • Test Mode: Simulates payments (no real charges)
  • Production Mode: Accepts real payments

Quick Setup: Use a Configuration Pack

Paste your Configuration Pack (from your myPOS account) into the plugin settings and save.

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Advanced Setup (Optional)

If you prefer manual input, fill in these fields in the plugin settings:

  • Store ID – Provided when creating your Checkout
  • Client Number (Wallet Number)
  • Private Key – Your developer RSA private key

No spaces or new lines before/after the “-----” in the key.

  • Public Certificate – myPOS certificate
  • Key Index – Found in your myPOS account

Click Save changes when done.

Advanced Testing Data:

  • Store ID: 000000000000010
  • myPOS Account Number: 61938166610
  • Key Index: 1
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

3. Let Customers Know You Accept Card Payments

Download Logo Set and display our card scheme logos on your product pages, footer, or anywhere you like!