Developers

myPOS Plugin for OpenCart

Want to accept secure card payments in your OpenCart store? Follow this simple guide to install and set up the myPOS Checkout plugin.

1. Download the Plugin

  • Get the latest version of the myPOS Checkout plugin from OpenCart.com.

  • Make sure your OpenCart version is supported:

    • 3.x: 3.0.0.0, 3.0.1.1, 3.0.1.2, 3.0.2.0, 3.1.0.0 (alpha), 3.0.3.8
    • 2.x: 2.3.0.2, 2.2.0.0, 2.1.0.2, 2.1.0.1, 2.0.3.1, 2.0.2.0, 2.0.1.1, 2.0.1.0
    • 1.5.x: 1.5.6, 1.5.6.1, 1.5.6.2, 1.5.6.3, 1.5.6.4
Search in OpenCart Marketplace

2. Install the Plugin

  1. Download the plugin to your computer.

    Download Plugin

  2. Upload the plugin files to your OpenCart installation folder using FTP.

    FTP Upload

  3. Log in to your OpenCart Admin Dashboard.

    Admin Login

  4. Go to Extensions > Payments.

    Payment Extensions

  5. Find myPOS Checkout in the list and click Install.

    Install Plugin

Done! The myPOS Checkout plugin is now installed.

3. Configure the Plugin

Before you start, make sure you have created your checkout in your myPOS account.
Need help? See the Store Management section.

Access the Plugin Settings

  1. Log in to your OpenCart Admin Dashboard.
  2. Go to:
    Extensions > Payments > myPOS Checkout > Edit

Quick Setup (Recommended)

  1. In your myPOS account, generate a Configuration Pack.
  2. Copy the generated string.
  3. Paste it into the Configuration Pack field in the plugin settings.
  4. Click Save. Your checkout is ready for live payments!

Test Configuration pack

eyJzaWQiOiIwMDAwMDAwMDAwMDAwMTAiLCJjbiI6IjYxOTM4MTY2NjEwIiwicGsiOiItLS0tLUJFR0lOIFJTQSBQUklWQVRFIEtFWS0tLS0tXHJcbk1JSUNYQUlCQUFLQmdRQ2YwVGRjVHVwaGI3WCtad2VrdDFYS0VXWkRjelNHZWNmbzZ2UWZxdnJhZjVWUHpjbkpcclxuMk1jNUo3MkhCbTB1OThFSkhhbitubGUyV09aTVZHSXRUYVwvMmsxRlJXd2J0N2lRNWR6RGg1UEVlWkFTZzJVV2VcclxuaG9SOEw4TXBOQnFINmg3WklUd1ZUZlJTNExzQnZsRWZUN1B6aG01WUpLZk0rQ2R6RE0rTDlXVkVHd0lEQVFBQlxyXG5Bb0dBWWZLeHdVdEVicTh1bFZyRDNubldoRitoazFrNktlamRVcTBkTFlOMjl3OFdqYkNNS2I5SWFva21xV2lRXHJcbjVpWkdFcll4aDdHNEJEUDhBV1wvK005SFhNNG9xbTVTRWtheGhiVGxna3MrRTFzOWRUcGRGUXZMNzZUdm9kcVN5XHJcbmwyRTJCZ2hWZ0xMZ2tkaFJuOWJ1YUZ6WXRhOTVKS2ZneUtHb25OeHNRQTM5UHdFQ1FRREtiRzBLcDZLRWtOZ0Jcclxuc3JDcTNDeDJvZDVPZmlQREc4ZzNSWVpLeFwvTzlkTXk1Q00xNjBEd3VzVkpwdXl3YnBSaGNXcjNna3owUWdSTWRcclxuSVJWd3l4TmJBa0VBeWgzc2lwbWNnTjdTRDh4QkdcL010QllQcVdQMXZ4aFNWWVBmSnp1UFUzZ1M1TVJKelFIQnpcclxuc1ZDTGhUQlk3aEhTb3FpcWxxV1lhc2k4MUp6QkV3RXVRUUpCQUt3OXFHY1pqeU1IOEpVNVREU0dsbHIzanlieFxyXG5GRk1QajhUZ0pzMzQ2QUI4b3pxTExcL1RodldQcHhIdHRKYkg4UUFkTnV5V2RnNmRJZlZBYTk1aDdZK01DUUVaZ1xyXG5qUkRsMUJ6N2VXR08yYzBGcTlPVHozSVZMV3BubUd3ZlcrSHlheGl6eEZoVitGT2oxR1VWaXI5aHlsVjdWMERVXHJcblFqSWFqeXZcL29lRFdoRlE5d1FFQ1FDeWRoSjZOYU5RT0NaaCs2UVRySDNUQzVNZUJBMVllaXBvZTcrQmhzTE5yXHJcbmNGRzhzOXNUeFJubHRjWmwxZFhhQlNlbXZwTnZCaXpuMEt6aThHM1pBZ2M9XHJcbi0tLS0tRU5EIFJTQSBQUklWQVRFIEtFWS0tLS0tIiwicGMiOiItLS0tLUJFR0lOIENFUlRJRklDQVRFLS0tLS1cclxuTUlJQnNUQ0NBUm9DQ1FDQ1BqTnR0R05RV0RBTkJna3Foa2lHOXcwQkFRc0ZBREFkTVFzd0NRWURWUVFHRXdKQ1xyXG5SekVPTUF3R0ExVUVDZ3dGYlhsUVQxTXdIaGNOTVRneE1ERXlNRGN3T1RFeldoY05Namd4TURBNU1EY3dPVEV6XHJcbldqQWRNUXN3Q1FZRFZRUUdFd0pDUnpFT01Bd0dBMVVFQ2d3RmJYbFFUMU13Z1o4d0RRWUpLb1pJaHZjTkFRRUJcclxuQlFBRGdZMEFNSUdKQW9HQkFNTCtWVG1pWTR5Q2hvT1RNWlRYQUlHXC9tayt4ZlwvOW1qd0h4V3p4dEJKYk5uY05LXHJcbjBPTEkwVlhZS1cyR2dWa2xHSEhRanZldzFoVEZrRUdqbkNKN2Y1Q0RuYmd4ZXZ0eUFTREdzdDkyYTZ4Y0FlZEVcclxuYWRQMG5GWGhVeitjWVlJZ0ljZ2ZEY1gzWldlTkVGNWtzY3F5NTJrcEQyTzduRk5DVis4NXZTNGR1SkJOQWdNQlxyXG5BQUV3RFFZSktvWklodmNOQVFFTEJRQURnWUVBQ2oweGIrdE5ZRVJKa0wrcCt6RGNCc0JLNFJ2a25QbHBrK1lQXHJcbmVwaHVuRzJkQkdPbWdcL1dLZ29EMVBMV0QyYkVmR2dKeFlCSWc5cjF3TFlwREMxdHhoeFYrMk9CUVM4NktVTGgwXHJcbk5FY3IwcUVZMDVtSTRGbEUrRFwvQnBUXC8rV0Z5S2tadWc5MnJLMEZsejcxWHlcLzltQlhiUWZtK1lLNmw5cm9SWWRcclxuSjRzSGVRYz1cclxuLS0tLS1FTkQgQ0VSVElGSUNBVEUtLS0tLSIsImlkeCI6MX0=

Advanced Setup (Manual)

If you prefer, you can enter your details manually:

  • Store ID – Provided in your myPOS account
  • 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-----

4. Enable Test Mode (Optional)

  • Use Test Mode to simulate payments without charging your card.
  • When enabled, all transactions are processed as successful (no real funds are moved).
  • You can use any card number to test.
Test Mode

When Test Mode is on, the system uses Developer mode settings.

5. Enable Logging (Optional)

  • Turn on logging to keep track of payment activity.
  • This helps with debugging and monitoring.

6. Payment Method Options

You can offer:

  • Card payments only
  • iDEAL only (for Dutch customers)
  • Both

Customers will see a simple, secure checkout screen based on their choice.

How iDEAL Works:
Customers select their bank and are redirected to their bank’s online portal to complete payment.

7. Let Customers Know You Accept Card Payments

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