This is an info Alert.
x402 Logo
  • Product
    • Become Agent-Ready
      • Merchants
        Agentic Commerce — list your store across ChatGPT, Gemini, Claude & Perplexity
      • Publishers
        Monetize your content when AI agents read, cite, or train on it
      • SaaS Companies
        Treat AI agents as first-class customers with agent-priced checkout
    • Monetize
      • Monetize MCP Server
        Charge per call on any MCP server in 2 minutes
      • Monetize AI Agents
        Turn n8n, Zapier, Activepieces workflows into revenue
      • Agent Feed
        Pay-per-query access to licensed publisher content for your agents
  • Resources
    • xpay Ecosystem
      • xpay✦ Tools
        1,000+ pay-per-use tools for your AI agents
      • Agent-Ready SaaS Index
        25,481 SaaS scored on agent-buyability
      • SaaS Pricing Database
        Pricing pages indexed across 1,000+ categories
      • Shopify Apps Directory
        Every Shopify app, with its full review history
      • WooCommerce Plugins Directory
        Every WooCommerce plugin, scored on how well it is maintained
      • GitHub
        Open source repositories
    • Agent Building
      • Agent Frameworks
        AI frameworks for building multi-agent systems
      • x402 Integration
        AI frameworks with x402 payment integration
      • Networks
        Blockchain networks supporting x402
    • Company
      • About xpay✦
        Our mission, products, and protocols
      • Blog
        Latest insights and updates
      • Docs
        Complete xpay documentation
  • Pricing
  • Blog
  • Docs
Get Started

  1. xpay✦ Commerce

  3. Directory

  5. WooCommerce plugins

  7. Gain Commerce NMI Payment Gateway for WooCommerce

Gain Commerce NMI Payment Gateway for WooCommerce

PCI-compliant NMI payment gateway integration for WooCommerce. Accept credit cards, Apple Pay, and Google Pay with full HPOS support.

30+ active installsFree on WordPress.org
View on WordPress.orgSupport forum
Will this break my store?

What the WordPress.org registry says about keeping Gain Commerce NMI Payment Gateway for WooCommerce running.

WordPress compatibility
Tested to 6.9.5 — 1 branch behind 7.0
Tested against the WordPress branch in use today.
Last updated
5 days ago
At least 11.1 releases a year since launch. WordPress.org only lists versions still available for download, so the real number may be higher.
Requires PHP
7.4
Your host must be running at least this version.
Requires WordPress
6.8
Requires other plugins
woocommerce
These must be installed and active first.
Contributors
2
30+ active installsWordPress.org reports installs in bands, not exact counts.
Maintenance & trust

Scored on how Gain Commerce NMI Payment Gateway for WooCommerce is looked after — not on how many stores run it.

Solid
Not enough public feedback to put a confident number on this one. Little public feedback — score rests mostly on release activity. What we can see is below.
Maintenance
35 / 35
Updated 5 days ago.
WordPress compatibility
14 / 20
Tested to WP 6.9.5, 1 branch(es) behind.
Support responsiveness
Not enough data
Only 0 support thread(s) — not enough to judge.
Merchant satisfaction
Not enough data
No ratings yet.
Listing transparency
7 / 10
Provides: screenshots, description
2 of 5 measures had too little evidence to score. They are left out of the total rather than counted as zero — otherwise a plugin would be marked down for being small rather than for being poorly kept.Measured 2026-08-05 from the WordPress.org plugin registry.
Ratings

No one has rated this plugin on WordPress.org yet. That is a statement about the ratings page, not about the plugin — plenty of well-kept plugins never collect them.

The Gain Commerce NMI Payment Gateway for WooCommerce is a secure, flexible payment processing plugin for your WooCommerce store. Built with full support for WooCommerce Checkout Blocks and High-Performance Order Storage (HPOS), this plugin provides a seamless 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 Authorize Now and Capture Later, easy refunds, and voids—all managed directly from your WooCommerce dashboard. Accept major credit cards, Apple Pay, Google Pay, and utilize Dynamic Descriptors and AVS/CVV response logging to protect your business.

Free Plugin Features

  • Easy WooCommerce Integration: Seamless customer checkout experience.
  • PCI-DSS Compliant: Uses NMI Collect.js for secure browser tokenization.
  • Digital Wallets: Accept Apple Pay and Google Pay during checkout.
  • Customer Vault: Secure remote storage for customer card data.
  • Dashboard Management: Authorize, Capture, Refund, and Void transactions inside WooCommerce.
  • Card Brand Control: Accept or restrict specific credit card brands.
  • Fraud Prevention: Record AVS/CVV response codes directly in order notes.
  • Dynamic Descriptors: Pass custom descriptors to customer credit card statements.
  • Order Ledger Data: Automatically send WooCommerce shipping info to the NMI ledger.
  • Developer Logging: Built-in debug logging to troubleshoot issues quickly.

Premium Plugin Features

  • ACH Payments: Accept electronic check transfers through the ACH network.
  • Stored Payment Methods: Allow returning customers to select saved cards/ACH accounts from the Customer Vault.
  • 3D Secure 2 (3DS2): Advanced fraud prevention; fully PSD2 / SCA compliant.
  • WooCommerce Subscriptions: Full compatibility for automatic recurring payments.

System Requirements

  • Active NMI payment gateway account
  • WooCommerce version 8.0 or higher.
  • WooCommerce HPOS (High-Performance Order Storage)
  • Valid SSL Certificate

Source Code

The source code for the minified JS/CSS is available at:
Gain Commerce NMI GitHub Repository

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: Process credit card payments securely.
  • Data Sent: Encrypted card tokens, order details, and shipping info.
  • Terms of Service | Privacy Policy

Tokenization via Collect.js:
The plugin loads NMI’s browser script (https://docs.nmi.com/docs/collectjs) during checkout to tokenize payment details before data reaches your server.

Is this plugin PCI Compliant?

Yes. Utilizing NMI’s Collect.js to tokenize payment data, sensitive credit card information never touches your web server.

Does this plugin require WooCommerce?

Yes. WooCommerce 8.0 or higher must be installed and active.

Does this plugin require an NMI account?

Yes. An active NMI payment gateway account is required. Contact Allied Payments, our preferred provider, to set up your account.

Is an SSL Certificate required?

Yes. A valid SSL certificate is required to meet PCI-DSS compliance standards and secure user checkout.

Does this plugin store customer credit card details?

No. Credit card numbers are tokenized by NMI and stored remotely in the NMI Customer Vault.

Where can I get support or integration help?

Visit gaincommerce.com/support.

Categories
CheckoutCards & digital walletsPayment gateways
Plugin details
Version1.15.1
Last updated2026-07-31 3:41pm GMT
Added2025-09-12
Requires WordPress6.8
Tested up to6.9.5
Requires PHP7.4
Tags on WordPress.org
checkout
credit card
nmi
payment gateway
woocommerce
Alternatives
Other plugins in the same categories.
Checkout Field Editor (Checkout Manager) for WooCommerce
400K+ installs
4.9(1,056)
Wallet for WooCommerce
20K+ installs
4.7(188)
Checkout Field Manager (Checkout Manager) for WooCommerce
80K+ installs
4.5(781)
Sliding Cart for WooCommerce by FunnelKit – Skip Cart & Reach WooCommerce Checkout Faster
30K+ installs
5.0(108)
YayPricing – WooCommerce Dynamic Pricing & Discounts
3K+ installs
5.0(71)
WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell
5K+ installs
4.9(171)
x402 Logo

The agent-readiness stack for the AI shopping era — helping merchants, publishers and SaaS companies get discovered, cited and transacted with by ChatGPT, Perplexity, Claude, Gemini and the custom shopping agents underneath them.

CompanyAgentically Inc. (d/b/a xpay✦)1875 Mission St, Ste 103San Francisco, CA 94103, United Stateslegal@xpay.sh · privacy@xpay.sh
or ask your AI app
Company
About xpayAgency PartnersGitHubDiscordllms.txt
DevelopersDocumentationAPI ReferenceSDKs & LibrariesQuickstart GuideOpenAPI Spec
Stay Updated
Occasional product updates and agent-readiness playbooks from xpay (Agentically Inc.) — typically a couple of emails a month. Double opt-in: we email you a link to confirm before sending anything, and every email has one-click unsubscribe.
Social
  • For Publishers
    • News
    • Finance
    • Dev / Tech
    • Travel
    • View all verticals
  • Agent Feed
    • AI Search Engines
    • RAG Builders
    • Browser Agents
    • Vertical Research
    • Browse full catalog
  • Agent-Ready Index
    • SaaS Pricing Database
    • Agent-Ready SaaS Index
    • Verified band
    • AI & ML
    • Sales & CRM
  • Products
    • Pricing Widget
    • Monetize MCP Server
    • Paywall
    • Smart Proxy
    • Monetize AI Agents
    • xpay x402 Facilitator
  • Agentic Economy
    • Timeline
    • Resources
    • Manifesto
    • Stack
  • Agentic Commerce
    • Get listed
    • ChatGPT Ads
    • How ChatGPT Ads work
    • ChatGPT Ads · Apparel
    • ChatGPT Ads · Health & Beauty
    • xpay Listings · Amazon + Google
    • Pricing
    • Free audit
    • Shopify
    • WooCommerce
    • Apparel & Accessories
    • Health & Beauty
    • Overview
  • Commerce Index
    • Shopify apps directory
    • Agentic Commerce Ready Index
    • Methodology
    • Pet brands · WooCommerce
    • Pet brands · Shopify
  • Marketplace
    • 🛍️ xpay.deals — agentic storefront for deals
  • Protocols
    • Overview
    • x402
    • MPP
    • UCP
    • ACP
    • AP2
    • TAP
    • A2A
  • Agent Frameworks
    • Overview
    • LangChain
    • CrewAI
    • Claude MCP
    • AutoGPT
    • LangChain vs Mastra
    • LangGraph vs Pydantic AI
  • Company
    • About xpay
    • Blog
    • Docs
    • GitHub
  • Free prompts
    • Ecommerce prompts
    • Email marketing prompts
    • Product description prompts
    • Facebook ad prompts
    • Skincare prompts
    • Supplement prompts
    • Wine prompts
    • Electronics prompts
© 2025 Agentically Inc. All rights reserved.
Privacy PolicyTerms of UseAcceptable Use Policy