Gain Commerce NMI Payment Gateway for WooCommerce

The Gain Commerce NMI Payment Gateway for WooCommerce is the premier free NMI plugin for secure, flexible credit card processing on your WooCommerce store. This plugin offers easy integration into WooCommerce to create a seamless customer checkout experience. Achieve top-tier security with full PCI-DSS Compliance through the NMI payment gateway, utilizing Collect.js for safe data tokenization that keeps sensitive card data off your server.

Merchants gain essential features like the Authorize Now and Capture Later flexibility, easy refunds managed from the WooCommerce dashboard, and the ability to control accepted card types. The plugin also supports advanced features such as Dynamic Descriptors and records AVS/CVV response codes. Streamline your transaction management with a reliable, feature-rich gateway plugin from Gain Commerce.

Free Plugin Version Includes

• Easy Integration into WooCommerce for a seamless customer checkout process.
• Secure Payment Processing with full PCI-DSS Compliance via the NMI payment gateway.
• Credit Card Processing managed entirely by NMI with data tokenization through Collect.js
• Manage Transactions from the WooCommerce dashboard.
• Customizable Settings in the WooCommerce admin.
• Control Card Types to accept or restrict all major credit card brands, as needed.
• Receipts from the WooCommerce dashboard through NMI.
• Refunds from the WooCommerce dashboard.
• AVS/CVV Response Codes recorded in order notes.
• Dynamic Descriptors variable descriptors for customer statements.
• Authorize Now and Capture Later flexibility for transactions occurring at a later date.
• Shipping Info sent to NMI transaction ledger.
• AVS/CVV Response Codes recorded in order notes.
• Logging to detect and fix errors or issues.

Premium Plugin Version Includes

• ACH Payments integrated electronic transfers through the ACH network.

Important Requirements:

• Active NMI account
• WooCommerce version 8.0 or higher.
• WooCommerce HPOS (High-Performance Order Storage)
• WordPress 6.8.*

Compatibility:

• WooCommerce 8.0+ (HPOS only)
• WordPress 6.8.*

Source Code

The source code for the minified JS/CSS is available at: Gain Commerce NMI Payment Gateway for WooCommerce

Build instructions: 1. Clone the repository. 2. Run npm install to install dependencies. 3. Run npm run build to generate production assets.

External Services

This plugin connects to the NMI payment gateway to process transactions.

• Service: NMI Payment Gateway
• Purpose: To process credit card payments securely.
• Data Sent: Card details (via tokenization), order details.
• Terms of Service
• Privacy Policy

When Data Is Sent: Data is transmitted only when a customer submits payment information during checkout.

Where Data Is Sent: All sensitive data is sent directly to NMI’s secure servers. Your website does not store or process raw payment data.

The plugin loads the NMI Collect.js script for tokenization:

• Script URL: https://docs.nmi.com/docs/collectjs
• Collect.js is a PCI-compliant JavaScript library provided by NMI to tokenize payment data in the browser before it reaches your server.

Conditions: Data is encrypted and tokenized using Collect.js. Only a single-use token is returned to your site for transaction processing.