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CartModules: SumUp Payment Gateway
Accept Card Payments via SumUp in Your CS-Cart Store
Integrate SumUp — one of Europe's leading payment platforms — directly into your CS-Cart or Multi-Vendor store. Customers pay with their credit or debit card through SumUp's secure hosted checkout page. Multi-currency support for EUR, GBP, USD, CHF, and 9 other European currencies.
Key Features
- Dual Checkout Modes — Choose between redirect (hosted page) or inline (embedded Card Widget) checkout
- On-Site Payment — Inline mode keeps customers on your store during payment
- Google Pay — Accept Google Pay in inline mode on supported devices
- SumUp Hosted Checkout — Customers pay via SumUp's secure hosted payment page
- Redirect-Based Flow — No card data touches your server (PCI SAQ A compliant)
- Multi-Currency — EUR, GBP, USD, CHF, PLN, SEK, NOK, DKK, CZK, HUF, BGN, RON, HRK
- Automatic Order Updates — Checkout status verified via API on customer return
- Configurable Order Statuses — Map SumUp statuses (PAID, FAILED) to any CS-Cart order status
- OAuth2 Bearer Authentication — Secure API communication using SumUp's official auth
- Idempotent Callbacks — Duplicate callbacks are safely ignored
- Secure by Default — SSL verification enabled, sensitive data stripped from logs
Requirements
- CS-Cart or Multi-Vendor 4.x
- PHP 7.1 or higher
- SumUp merchant account with API credentials (API Key and Merchant Code)
- Store currency set to a supported currency
Supported Currencies
EUR, GBP, USD, CHF, PLN, SEK, NOK, DKK, CZK, HUF, BGN, RON, HRK
How It Works
- Customer selects SumUp at checkout and clicks "Place Order"
- The addon creates a checkout session via SumUp's REST API
- Customer is redirected to SumUp's hosted checkout page to pay with their card
- After payment, customer is redirected back to your store
- The addon verifies the checkout status and updates the order accordingly
Checkout Modes
- Redirect (Default) — Customer is redirected to SumUp's secure hosted checkout page
- Inline (Embedded) — SumUp Card Widget JS SDK renders an embedded payment form directly on your checkout page, with support for Google Pay
Installation
- Go to Add-ons > Manage add-ons, click Manual installation, and upload the addon zip
- Activate the addon and enter the license key
- Go to Administration > Payment methods and create a new payment method
- Select "SumUp Payment Gateway" as the processor
- Enter your API Key and Merchant Code from the SumUp developer portal
- Configure order status mappings as desired
- Save and test before going live
Countries & Currencies
This addon is designed for merchants across Europe and other regions where SumUp operates. SumUp supports card payments in 13 currencies across 30+ countries. Ensure your store's currency matches your SumUp merchant account region.
Payment type
One-time payment
Product
- Store Builder
- Store Builder Ultimate
- Multi-Vendor
- Multi-Vendor Plus
- Multi-Vendor Ultimate
Compatible versions
- 4.20.1
- 4.19.1.SP2
- 4.19.1.SP1
- 4.19.1
- 4.18.4
- 4.18.3
- 4.18.2.SP1
- 4.18.2
- 4.18.1.SP1
- 4.18.1
- 4.17.2.SP3
- 4.17.2.SP2
- 4.17.2.SP1
- 4.17.2
- 4.17.1
- 4.16.2
- 4.16.1
- 4.15.2
- 4.15.1.SP4
- 4.15.1.SP3
- 4.15.1.SP2
- 4.15.1.SP1
- 4.15.1
- 4.14.3
- 4.14.2.SP1
- 4.14.2
- 4.14.1.SP1
- 4.14.1
- 4.13.3
- 4.13.2.SP2
- 4.13.2.SP1
- 4.13.2
- 4.13.1
- 4.12.2
- 4.12.1
- 4.11.5
- 4.11.4
- 4.11.3
- 4.11.2
- 4.11.1
- 4.10.4.SP1
- 4.10.4
- 4.10.3
- 4.10.2
- 4.10.1
- 4.9.3
- 4.9.2
- 4.9.1
- 4.8.2
- 4.7.4
- 4.6.3
Localizations
- English
Contact information
Email
Phone
+91-96538-49089
Website
Cartmodules operates a team of professional web designers and developers, providing premium CS-Cart services like add-ons development and theme development at affordable prices. We not only work effectively but smartly and deliver the best to our customers in shortest possible and ensuring quality of the deliverables.
We have an experienced team of professional having experience in PHP, JavaScript, Smarty, jQuery, CSS, Ajax, HTML5 and other programming languages and technologies. The development is inline with latest quality standards.
Our customers include a number of small, medium and large enterprises who are into e-commerce and want to expand further their business using technology.
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