CartModules: Nets/Nexi Payment Gateway

Accept Nets Easy (Nexi Checkout) Payments in Your CS-Cart Store

Integrate Nets Easy (Nexi Checkout) -- the leading Nordic and European payment gateway formerly known as DIBS -- directly into your CS-Cart or Multi-Vendor store. Now part of the Nexi Group, Nets Easy covers Denmark, Norway, Sweden, Finland, and broader Europe with support for cards, Vipps, Swish, MobilePay, and more.

Key Features

• Dual Checkout Modes — Choose between redirect (hosted page) or inline (embedded Easy Checkout JS) checkout
• On-Site Payment — Inline mode keeps customers on your store during payment
• Apple Pay — Accept Apple Pay payments via inline checkout
• Google Pay — Accept Google Pay payments via inline checkout
• Hosted Payment Page -- Customers pay on a secure Nets Easy-hosted checkout (PCI SAQ A compliant)
• Multi-Currency Support -- DKK, NOK, SEK, EUR, GBP, USD, CHF, and PLN
• Webhook Notifications -- Real-time server-to-server payment confirmations
• Sandbox/Production Toggle -- Switch between test and live environments from the admin panel
• Configurable Order Statuses -- Map Nets payment states (completed, failed, cancelled) to any CS-Cart order status
• Bearer Token Authentication -- Secure API communication using your Nets Easy Secret Key
• Idempotent Callbacks -- Duplicate callbacks and webhooks are safely ignored
• Minor Unit Amounts -- Automatic conversion to ore/cents as required by the Nets Easy API
• Line Item Details -- Order products sent as itemized lines for detailed payment records

Supported Payment Methods

Through Nets Easy, your customers can pay with:

• Visa, Mastercard, American Express, Diners Club
• Vipps (Norway)
• Swish (Sweden)
• MobilePay (Denmark, Finland)
• Apple Pay, Google Pay
• Invoice and installment options (where available)

Requirements

• CS-Cart or Multi-Vendor 4.x
• PHP 7.1 or higher
• Nets Easy merchant account with API credentials
• Store currency set to a supported currency (DKK, NOK, SEK, EUR, GBP, USD, CHF, or PLN)

Checkout Modes

• Redirect (Default) — Customer is redirected to Nets Easy's secure hosted payment page
• Inline (Embedded) — Nets Easy Checkout JS renders an embedded payment form directly on your checkout page. Customer pays without leaving your store.

How It Works

1. Customer selects Nets/Nexi at checkout and clicks "Place Order"
2. The addon creates a payment session via the Nets Easy REST API
3. Customer is redirected to the Nets Easy hosted payment page (or inline form appears on checkout page)
4. Customer completes payment using their preferred method
5. Nets Easy sends a webhook notification confirming the payment
6. Customer is redirected back to your store; order status is updated automatically

Installation

1. Go to Add-ons > Manage add-ons, click Manual installation, and upload the addon zip
2. Activate the addon and enter the license key
3. Go to Administration > Payment methods and create a new payment method
4. Select "Nets/Nexi Payment Gateway" as the processor
5. Choose your payment mode (Test or Live)
6. Enter your Secret Key from the Nets Easy portal
7. Configure order status mappings as desired
8. Save and test with sandbox mode before going live

Countries & Currencies

This addon is designed for merchants in the Nordics and Europe. Nets Easy supports the following currencies: DKK, NOK, SEK, EUR, GBP, USD, CHF, and PLN. Amounts are automatically converted to minor units (ore/cents) as required by the API.

Security

• PCI SAQ A compliant -- no card data touches your server
• SSL/TLS verification on all API requests
• Sensitive credentials stripped from all log entries
• Idempotent processing prevents duplicate charges
• Webhook authorization tokens for secure server-to-server communication