FAIR

Federated and Independent Repositories

NMI Payment Gateway for WooCommerce

Plugin Banner

NMI Payment Gateway for WooCommerce

by robustsoftech

Download
Description

NMI Payment Gateway for WooCommerce is a secure payment solution by Robust Softech that allows your customers to pay using credit cards through the Network Merchants Inc (NMI) payment gateway.

Developed by Robust Softech Private Limited – A complete credit card payment solution for modern e-commerce.

Key Features

  • Credit Card Processing – Secure credit card payments with Collect.js tokenization
  • Tokenization Support – Save customer payment methods for future use
  • Subscription Support – Full WooCommerce Subscriptions integration
  • Refund Support – Process refunds directly from WooCommerce
  • HPOS Compatible – Works with WooCommerce High-Performance Order Storage
  • WooCommerce Blocks – Compatible with the new block-based checkout
  • Environment Switching – Production/Sandbox environments
  • Debug Logging – Comprehensive logging for troubleshooting

Security Features

  • Collect.js Integration – Most secure payment method (default)
  • PCI DSS Compliant – Through NMI’s secure processing
  • Tokenization – Secure card storage
  • SSL Encryption – All transactions encrypted

Easy Setup

  1. Install and activate the plugin
  2. Enter your NMI API credentials (Private Security Key + Public Key)
  3. Choose your environment (Production/Sandbox)
  4. Start accepting credit card payments!

Configuration

Required Settings

  • Enable/Disable: Turn the gateway on/off
  • Title: Payment method name shown to customers
  • Description: Payment method description
  • Environment: Choose Production or Sandbox
  • Private Security Key: Your NMI Private Security Key
  • Public Key: Your NMI Public Key for tokenization

Optional Settings

  • Payment API Method: Choose between Collect.js (recommended) or Direct Post
  • Transaction Type: Sale (authorize & capture) or Authorize Only
  • Accepted Cards: Select which card types to accept
  • Debug Log: Enable logging for troubleshooting

Testing

Sandbox Testing

  1. Set Environment to “Sandbox”
  2. Use test card numbers:
    • Visa: 4111111111111111
    • Mastercard: 5555555555554444
    • American Express: 378282246310005
  3. Use any future expiry date and any 3-digit CVV
  4. Test successful and failed transactions

Production Setup

  1. Set Environment to “Production”
  2. Enter your live NMI credentials
  3. Test with small amounts first
  4. Monitor debug logs for any issues

Troubleshooting

Common Issues

Payment method not showing on checkout:
– Check if gateway is enabled
– Verify API keys are entered correctly
– Ensure WooCommerce is active

Payment fails with “Invalid credentials”:
– Verify Private Security Key is correct
– Check if Public Key is properly set
– Ensure environment matches your credentials

Collect.js fields not loading:
– Check browser console for JavaScript errors
– Verify Public Key is valid
– Ensure SSL certificate is active

Debug Logging

Enable debug logging in plugin settings to troubleshoot issues:
1. Go to WooCommerce > Settings > Payments
2. Click “Set up” on NMI gateway
3. Enable “Debug log”
4. Check logs at: WooCommerce > Status > Logs

Support

For support and documentation, visit: https://www.robustsoftech.com/plugins/nmi-payment-gateway-pro

Disclaimer

Network Merchants Inc (NMI) is a trademark of its respective owner. This plugin is an independent integration developed by Robust Softech Private Limited and is not affiliated with, endorsed by, or sponsored by Network Merchants Inc.

  1. Upload the plugin files to the /wp-content/plugins/robust-nmi-payment-gateway directory, or install the plugin through the WordPress plugins screen directly.
  2. Activate the plugin through the ‘Plugins’ screen in WordPress
  3. Go to WooCommerce > Settings > Payments
  4. Find “Robust Payment Gateway for Network Merchants (NMI)” and click “Set up”
  5. Enter your NMI API credentials and configure settings
  6. Save changes and test payments
  1. WooCommerce Payments list — Enable and Manage the NMI gateway

    WooCommerce Payments list — Enable and Manage the NMI gateway

  2. Plugin settings — Enter API credentials, choose environment

    Plugin settings — Enter API credentials, choose environment

Do I need an NMI merchant account?

Yes, you need an active NMI merchant account to use this plugin.

Is this plugin PCI compliant?

Yes, this plugin is PCI compliant through NMI’s Collect.js secure payment processing.

Does this plugin support subscriptions?

Yes, the plugin fully supports WooCommerce Subscriptions.

Can I process refunds?

Yes, you can process refunds directly from the WooCommerce order page.

Is this plugin compatible with WooCommerce HPOS?

Yes, this plugin is fully compatible with WooCommerce High-Performance Order Storage.

What payment methods are supported?

Currently, this plugin supports credit card payments only. Digital wallets and eCheck support may be added in future versions.

How do I get my NMI API credentials?

Contact your NMI merchant account provider to obtain your Private Security Key and Public Key.

Can I test payments before going live?

Yes, use the Sandbox environment with test card numbers to test payments before switching to Production.

1.1.0

  • First stable public release
  • Credit card processing via Collect.js tokenization
  • Secure tokenization — save customer payment methods
  • WooCommerce Subscriptions support
  • Refund processing directly from WooCommerce order page
  • WooCommerce HPOS (High-Performance Order Storage) compatibility
  • Block-based checkout (WooCommerce Blocks) compatible
  • Production and Sandbox environment switching
  • Comprehensive debug logging
Back to top