Dismarkup — discount and markup constructor for payment and delivery methods for OpenCart

Dismarkup — a powerful OpenCart module that allows you to configure discounts and markups on shipping methods and payment methods without a single line of code. A flexible rule builder gives you full control over pricing in your online store.

🔑 Key Features

• Discount on shipping method — automatically reduce or increase the order amount when a customer selects a specific shipping method (Nova Poshta, Ukrposhta, courier, etc.).
• Discount on payment method — apply a discount or surcharge depending on the selected payment method (card, cash, bank transfer, etc.).
• Combined rules (Payment + Shipping) — set a special discount when selecting a specific "payment method + shipping method" pair simultaneously.
• General discounts and markups — rules that apply regardless of payment or shipping method.
• Percentage or fixed amount — choose the value type for each rule separately.

⚙️ Flexible Application Conditions

Each rule supports additional conditions under which the discount or markup will be applied:

• Discount applies only within a specified amount range
• Customer group
• Different rules for wholesalers, retail, VIP customers
• Number of items in the cart
• Order weight
• Presence of a specific product in the cart
• Personalized offers
• Product category in the cart
• Promotions for specific categories

🖥️ Convenient Admin Panel Management

• Visual rule builder with search and filtering
• Rule duplication and drag-and-drop sorting
• Enable/disable each rule individually
• Display discount in the order summary line (total) or hidden application to the amount
• Support for multiple languages (Ukrainian, English, Russian)

🛡️ Technical Specifications

• Platform: OpenCart 3.x
• PHP: 7.2 / 7.3 / 7.4 / 8.1 / 8.2+
• Installation: via standard installer
• License: domain-bound

💡 Who is it suitable for?

The module is ideal for online stores that want to:

• encourage customers to use profitable payment methods (e.g., discount for card payment or prepayment discount);
• manage shipping costs (discount on free shipping from a certain amount);
• set a surcharge for cash on delivery or other expensive methods for the store;
• configure individual conditions for different customer groups.