Installation and Configuration

Install the plugin

Download the latest release of the plugin from the GitHub Releases page.
Log in to your WordPress admin area.
Go to 'Plugins' > 'Add New'.
Click 'Upload Plugin' and select the mmg-checkout-payment.zip file you downloaded.
Click 'Install Now' to install the plugin.
Activate the plugin through the 'Plugins' menu in WordPress.

Email merchantservices@mmg.gy to get the necessary account credentials to use the Checkout API

note

Treat these keys like passwords. They are not to be shared and kept secret.

Go to 'Settings' > 'MMG Checkout' to configure the plugin.
Copy the Callback URL and send it to the MMG team for them to configure your store's response and error URLs.
Enter your MMG Merchant credentials:
- Merchant Name (if different from site title)
- Live Client ID
- Live Merchant ID
- Live Secret Key
- Live RSA Public Key
- Live RSA Private Key
- Switch mode to 'Live'
- Save the settings
Go to 'WooCommerce' > 'Settings' > 'Payments' to configure the checkout settings.
- Enable 'MMG Checkout' as the payment gateway.
- Save the settings

note

Make sure to keep your credentials secure and never share them publicly. You should only share your Public Key with MMG.

Sandbox mode is the default mode of the plugin. It uses the sandbox credentials provided by MMG.

This is used for testing the plugin and for development purposes.