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BSS Mollie Payment

Created on: Apr 09, 2026

The Mollie Payment plugin for nopCommerce provides a robust integration for handling global transactions with features like smart currency mapping and customizable transaction fees. It offers a comprehensive management system where administrators can monitor real-time payment statuses and process refunds directly from centralized dashboards. With support for test and live modes, as well as automated webhooks, it ensures a secure and efficient checkout experience for both merchants and customers.
PRE-REQUISITES

  • The plugin requires you to install the BSS Core plugin first.

INSTALLATION

  • Download the BSS Mollie Payment plugin from our store https://store.bssoln.com/

  • Go to Administration → Configuration → Local plugins

  • Upload the BSS.MolliePayment zip file using the ‘Upload plugin or theme' button

 

  • After uploading, install the ‘BSS Core' Plugin first

  • Then scroll down or use the search bar to find and install ‘BSS Mollie Payment'

  • To activate the plugins, restart the application

  • After installation the plugin will show in the menu
CONFIGURE

  • Go to Admin → BSS → Plugins → Mollie → Configuration

  • Enter the License string and save it. Then clear cache

  • Then again go to BSS → Plugins → Mollie → Configuration to set the configuration

API CONFIGURATION

  • Check the Is Active box to enable or disable the Mollie payment method for your store.

  • Toggle the Use Test Mode box to switch the plugin between live and testing environments.

  • Enter your production API key provided by Mollie in the Live API Key field.

  • Enter your testing API key in the Test API Key field to verify transactions safely.

PAYMENT SETTINGS

  • Set an extra charge for customers who choose to pay via Mollie in Additional Fee.

  • Check the Additional fee. Use percentage box to set the extra charge as a percentage of the order total, rather than a fixed amount.

  • Enable Skip Payment Information Page to streamline the checkout process by bypassing the payment info step..

  • Check the Enable Webhook box to receive real-time payment status updates directly from Mollie.

  • Customize the text displayed on the Mollie dashboard in the Payment Description field.

  • Select your primary transaction currency (e.g., EUR) from the Default Mollie Currency dropdown menu.

  • Click Save to apply the configuration.
CURRENCY MAPPING
  • Go to Admin → BSS → Plugins → Mollie → Currency Mapping to view your existing configurations in the Currency Mapping List.

  • The Currency Mapping List tracks the nopCommerce currency code and name, the corresponding Mollie currency code, its active status, and the date it was created.

  • Use the Delete button in the list view to remove any specific mapping that is no longer required.

  • Click the Create New Mapping button at the top right to begin a new configuration.

  • Select your store's currency from the NopCommerce Currency dropdown menu.

  • Choose the corresponding Mollie currency from the Mollie Currency dropdown to link the two systems.

  • Check the Is Active box to ensure this mapping is utilized during the checkout process. 

  • Click Save Mapping to finalize the setup and add it to your active list.

PAYMENT RECORDS

  • Go to BSS → Plugins → Mollie → Payment Records to view a comprehensive log of all transactions processed through the Mollie gateway.

  • Filter your search using criteria such as Start date, End date, Mollie Status, Order ID, or the specific Mollie Payment ID.

  • Review detailed transaction information in the records table, including the Amount, Currency, Payment Method, and the exact date the payment was Created On. 

  • Monitor the real-time status of your transactions (e.g., "paid") directly from the Mollie Status column.

  • Modify record details by clicking the Edit button for any specific entry.

  • Initiate a refund for any successful transaction by clicking the Refund button located in the final column of the table.

REFUND RECORDS

  • Go to BSS → Plugins → Mollie → Payment Records to track and manage all return transactions.

  • Search for specific refund entries by filtering for Start date, End date, Refund Status, Order ID, or the Mollie Refund ID.

  • Track the progress of refunds (e.g., "pending") through the dedicated Refund Status column.

  • Examine specific refund details such as the Amount, Currency, and the creation timestamp for each entry.

  • View or update refund information by clicking the Edit button associated with the specific record.

PUBLIC VIEW

FEATURES

  • Webhook Support: Receive instant status updates directly from Mollie to keep your records synchronized.

  • Multi-Currency Payments: Accept payments in multiple currencies, making your store ready for global customers.

  • Popular Payment Methods: Accept leading payment options such as VISA, American Express, Klarna, and more for a seamless checkout experience.

  • Smart Currency Mapping: Link nopCommerce currencies to their corresponding Mollie currency codes to ensure accurate international processing.

  • Centralized Payment Logs: Track every transaction in a centralized Payment Records dashboard, with real-time status monitoring and payment method tracking.

  • Efficient Refund Management: Initiate refunds directly from the payment record list and monitor them in the Refund Records section.

  • Dual Environment Support: Test your payment flow safely in Test Mode before switching to the Live API for production.

  • Customizable Transaction Fees: Apply Additional fees to orders as either a fixed amount or a percentage of the order total.

  • Streamlined Checkout: Speed up the customer checkout journey by choosing to skip the payment information page.