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Seamlessly integrate the OPAY payment system with Shopify store by following the Installation guide bellow.

Before you start

Before installing the OPAY payment system on your website, please ensure that the registration form on the OPAY website has been completed. If you have not registered yet, please do so first. After registration, you will receive the necessary credentials via email (Website ID, Signature Password, and User ID), which are required to proceed with the system integration.

Note: Testing the OPAY payment system is not available within the Shopify content management system without a separate setup by the OPAY team. To enable test functionality, please contact us by email [email protected] or by phone +370 611 55554.

Installation instructions

  1. Click here, to open the OPAY payment application on the Shopify page.

  2. Once the page has opened, click the Add app button. After this action, the system may prompt you to log in to the content management system of your online store – please proceed with the login.

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  3. After logging in to the content management system of your online store, click the Install app button.

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  4. In the opened window, enter the available unique identification data: store number (Website_id), signature password, and user identification ID (user_id). You can find these details in the Special part of the OPAY payment services agreement or in the first appendix of the agreement.

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  5. After entering the unique identification data, the system will redirect you back to the environment of your online store - the installation of the OPAY payment system is now complete. If needed, on this page, you can modify the existing unique identification data by clicking the Manage button.

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  6. Activate the OPAY payment system by clicking the Activate OPAY button.

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  7. After this action, your online store is ready to accept customer payments through the OPAY payment system. If the installation of the OPAY payment system is successful, you will see OPAY payment methods on the payment page of your online store.

    shopify_opay_payment_page6_

Payment page customization

Customizing the payment page to match your brand’s style can significantly enhance the customer experience. We highly recommend doing so, as a branded payment page builds trust, strengthens the sense of security, and helps reduce cart abandonment.

Customization is quick and easy via the Payment Pages menu in the OPAY self-service portal. You can choose between two design styles, apply your brand color, upload a logo, and preview changes instantly.

Refunds

You can issue full or partial refunds using one of the following three options:

Option 1: 4-Eyes principle

  • The refund is initiated in the Shopify admin panel.
  • The refund must then be confirmed in the OPAY self-service portal.
  • The refund is issued to the customer only after both steps are completed.
  • Refund status is available in real time in both Shopify and OPAY portals.
  • If a refund is not confirmed within 30 calendar days in OPAY it will be automatically canceled.
  • Shopify reimburses 100% of the commission fee related to the refunded payment.

Option 2: Default setup

  • The refund is initiated in the Shopify admin panel.
  • No approval is required in the OPAY self-service portal.
  • The refund is automatically issued to the customer immediately after it is initiated in the Shopify admin panel.
  • Refund status is available in real time in both Shopify and OPAY portals.
  • Shopify reimburses 100% of the commission fee related to the refunded payment.

Option 3: OPAY self-service

  • The refund is initiated and processed directly in the OPAY self-service portal by selecting the relevant order.
  • Refund status is available only in the OPAY portal and is not visible in the Shopify admin panel.

To change your refund settings, please contact us at [email protected] or by phone at +370 611 55554.