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

  2. Directory

  3. WooCommerce plugins

  4. FunnelKit Payment Gateway for Square WooCommerce

FunnelKit Payment Gateway for Square WooCommerce

FunnelKit Payment Gateway for Square WooCommerce is a powerful and reliable payment solution that enables you to accept payments both online and in pe …

90+ active installs
5.0
(3 ratings)
Free on WordPress.org
View on WordPress.orgSupport forum
Will this break my store?

What the WordPress.org registry says about keeping FunnelKit Payment Gateway for Square WooCommerce running.

WordPress compatibility
Tested to 7.0.2
Tested against the WordPress branch in use today.
Last updated
2 months ago
At least 12.7 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
5.0
Requires other plugins
woocommerce
These must be installed and active first.
Contributors
3

90+ active installsWordPress.org reports installs in bands, not exact counts.
Maintenance & trust

Scored on how FunnelKit Payment Gateway for Square WooCommerce is looked after — not on how many stores run it.

90

out of 100
Well maintainedSome ratings or support history.

Maintenance
35 / 35
Updated 49 days ago.
WordPress compatibility
20 / 20
Tested to WP 7.0.2 (current).
Support responsiveness
Not enough data
Only 0 support thread(s) — not enough to judge.
Merchant satisfaction
11 / 15
5.0/5 across 3 rating(s).
Listing transparency
6 / 10
Provides: description, homepage
1 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 2026-08-02 from the WordPress.org plugin registry.
Ratings

5.0

3 ratings
5★3
4★0
3★0
2★0
1★0
Every rating WordPress.org holds for this plugin, not a sample. Written reviews live in the plugin's WordPress.org reviews forum.

FunnelKit Payment Gateway for Square WooCommerce is a powerful and reliable payment solution that enables you to accept payments both online and in person with ease.

It’s ideal for store owners looking for a secure, synchronized, and fully integrated way to handle payments, products, and inventory, all without switching platforms.

With Square Payment Gateway for WooCommerce, you can accept major credit and debit card payments, as well as popular digital wallets like Apple Pay and Google Pay, and alternative payment methods like Cash App Pay, Afterpay, ACH bank transfers, and gift cards directly on your WooCommerce store.

Whether you’re selling products online or at a physical store, Square ensures all your inventory, product data, and order history remain perfectly synced in real-time.

It goes beyond just accepting payments. With Square, you can:

  • Automatically sync inventory between Square and WooCommerce
  • Keep your product catalog consistent across platforms
  • Track orders and customer data in real time
  • Manage refunds and variable products with no hassle

Plus, with its sandbox testing mode, you can simulate transactions and test everything before going live, making Square a safe and developer-friendly option for any WooCommerce merchant.

Why Square?

Square is one of the most trusted and widely used payment platforms in the world, serving millions of businesses across the globe.

  • No monthly fees. Pay only per transaction.
  • Accepts multiple currencies and supports both online and offline transactions.
  • Built-in fraud prevention, PCI compliance, and detailed analytics.

With Square, you’re not just getting a payment processor, you’re getting a complete commerce solution that scales with your WooCommerce store.

Features of Square Payment Gateway for WooCommerce

Here are the key features that make Square a standout payment solution for WooCommerce:

1. Quick Onboarding Process

Get started in just a few minutes. Connect your Square account with WooCommerce and start accepting payments instantly, eliminating the need for complex setup and manual API key addition.

2. Multiple Payment Methods

Accept all major credit and debit cards, including Visa, Mastercard, American Express, and more, plus Apple Pay, Google Pay, Cash App Pay, Afterpay, ACH bank transfers, and gift cards for flexible, customer-friendly checkout experiences.

3. Real-Time Inventory Sync

Square keeps your product inventory in sync across both platforms. Whether you make a sale online or in person, your stock levels update automatically in WooCommerce and Square. This ensures accurate stock management at all times.

4. One-Click Product Catalog Sync

Easily sync your entire product catalog, including product names, categories, prices, images, and stock, between Square and WooCommerce in just one click.

5. Variable Product Support

Sell products with multiple variations (like size, color, etc.)? Square handles variable products with ease, ensuring your catalog stays consistent across platforms.

6. Real-Time Order & Customer Sync

Automatically sync order and customer data between WooCommerce and Square. Keep track of every transaction and customer record in one unified system.

7. Seamless Refund Management

Initiate refunds from WooCommerce and have them instantly reflect in Square and vice versa. This ensures your customers have a smooth experience, and your records stay accurate.

8. Sandbox Testing Mode

Square offers a Sandbox API so you can test your entire checkout flow, sync settings, and transactions before going live without affecting real data or payments.

9. Detailed Transaction Tracking

Track payments, refunds, disputes, and adjustments directly from your WooCommerce dashboard with Square’s detailed reporting.

Compatible Payment Methods

Here’s what your customers can use to pay when you integrate Square with WooCommerce:

1. Credit and Debit Cards

Accept payments from major credit and debit cards, such as Visa, Mastercard, American Express, Discover, Diners Club, JCB, and more.

2. Apple Pay

Offer your Apple users a secure, one-click checkout experience using Face ID or Touch ID without entering card details manually.

3. Google Pay

Let Android users complete their purchases in just a few taps with Google Pay, offering convenience and top-notch security.

4. ACH Bank Transfer

Allow customers to pay directly from their bank account using ACH transfers, offering lower processing fees and a familiar payment flow for US-based customers.

5. Cash App Pay

Give your customers the option to pay using Cash App, one of the most popular peer-to-peer payment apps. It provides a quick, seamless checkout experience that millions of users already know and trust.

6. Gift Cards

Customers can redeem gift card balances at checkout, making it easy to support gifting, store credit, and loyalty programs.

7. Afterpay

Offer your customers the flexibility to buy now and pay later with Afterpay. They can split their purchase into interest-free installments, helping increase average order value and reduce cart abandonment.

That’s not all! FunnelKit Team is committed to bringing you many more payment gateways to enhance your WooCommerce store experience.

ABOUT FUNNELKIT

The Square Payment Gateway for WooCommerce is proudly developed by FunnelKit’s expert team: the same people behind some of the most powerful sales and marketing tools for WooCommerce.

With over a decade of experience and a thriving ecosystem, FunnelKit helps thousands of businesses worldwide boost conversions, streamline checkout, and maximize revenue.

Here’s a look at other game-changing plugins from FunnelKit’s suite:

Here are some of our plugins:

FunnelKit’s Funnel Builder – The most flexible funnel builder for WordPress. Build profitable funnels using conversion-friendly templates, analyze performance and improve with built-in A/B testing.

FunnelKit Checkout – Increase your conversions with FunnelKit’s optimized WooCommerce checkout pages. Choose from ready-to-use checkout page templates, embed forms, create one-page checkouts, and more. Offer order bumps to boost your business revenue.

FunnelKit One-Click Upsells – Boost your average order value (AOV) by pitching hyper-relevant post-purchase upsell offers after the checkout.

FunnelKit Automations – Engage with your customers with automated WooCommerce email marketing and SMS campaigns. Automate your abandoned cart recovery sequence, post-purchase follow-up emails, winback campaigns, and more.

FunnelKit Cart – Adds a beautiful sliding cart to your WooCommerce store. Let the buyers add items, edit quantity and add upsells (Pro) on the side cart. Skip traditional cart page and reach checkout faster.

FunnelKit Payment Gateway for Stripe WooCommerce – Accept payments with Stripe-powered gateways such as Apple Pay, Google Pay, BNPL, and more while supporting upsells and advanced checkout flows.

External Services

This plugin integrates with the following external services:

1. Google Pay API

  • Purpose: Google Pay is used to process payments securely during checkout.
  • Data Sent: Transaction details such as the total amount and the customer’s Google Pay account information are sent when the user selects Google Pay as a payment method.
  • Terms and Privacy: This service is provided by Google LLC. You can view the terms of service and privacy policy at Google Pay Terms of Service and Google Privacy Policy.

2. FunnelKit AUTH API (Square Connect OAuth)

  • Purpose: The FunnelKit AUTH API is used to authenticate and securely connect to Square’s payment gateway for OAuth purposes.
  • Data Sent: Authentication tokens and user details are sent to ensure a secure connection during the payment process.
  • Terms and Privacy: This service is provided by FunnelKit. The terms of service and privacy policy are available upon request.

3. Square Direct APIs (JavaScript & PHP)

  • Purpose: Square Direct APIs handle payment processing and transaction syncing between the plugin and Square.
  • Data Sent: Customer information (name, email, payment method) and order details are transmitted during payment processing. The plugin also syncs transaction status and updates after each purchase.
  • Terms and Privacy: This service is provided by Square, Inc. You can view the terms of service and privacy policy at Square Terms of Service and Square Privacy Policy.

How do I add a Square payment gateway to WooCommerce?

To add a Square gateway to WooCommerce, install this plugin for free. Its seamless onboarding process lets you connect your Square account with WooCommerce and enable your preferred payment methods in a matter of minutes.

Does it work with recurring subscription payments?

Yes! Square Gateway supports official WooCommerce Subscriptions.

What happens if you switch from the existing Square gateway to this Square Payment Gateway for WooCommerce plugin?

Switching from your existing Square gateway plugin to the FunnelKit Payment Gateway for Square WooCommerce will make it your primary payment gateway plugin to collect payments on your WooCommerce website via Square. Ensure you’ve deactivated your existing plugin after the switch.

Will my older subscriptions continue to work if I switch to this plugin?

Yes, your subscriptions will continue to work fine. This Square Gateway plugin will take complete responsibility for your subscription charging even if you make the switch.

Is there a charge or pricing fee for Square?

Square offers pricing tailored to your business needs. If your needs are limited, you can get their free plan. There is no setup cost, but only 3.3% + 30¢ for online transactional costs and 2.6% + 15¢ for tap, dip, or swipe.

Can I deactivate the existing Square plugin after switching to this plugin?

Yes! Once you’ve successfully moved on to this plugin, you can deactivate and uninstall your existing Square plugin.

Can I test Square payments before going live?

Absolutely! Use the Sandbox mode to test payments, product sync, and inventory updates before accepting real payments.

Can I add multiple Express Checkout buttons on a single page?

Yes, Square Payment Gateway for WooCommerce lets you add multiple express checkout buttons, such as both Apple Pay and Google Pay, on a single product, cart, and checkout page.

Can I sync variable products from WooCommerce to Square?

Yes, Square fully supports syncing WooCommerce variable products with attributes like size, color, and more.

Do I need to manually manage my inventory?

No, the gateway plugin offers smart data sync settings that automatically synchronize inventory between WooCommerce and Square in real-time.

Is there any documentation to help me get started?

Yes, visit our complete documentation on the FunnelKit Square Payment Gateway for WooCommerce here.

I have some questions. How do I contact your support team?

Whatever questions you have, our support team will be happy to help you.
Either fill up this support form or drop your query at support@funnelkit.com

My express buttons are not showing. What should I do?

If the express payment buttons are not showing up on your checkout page, please make sure to meet the guidelines of respective payment providers. Follow this Troubleshooting document to set up your payment providers.

Categories
Payment gateways
Plugin details
Version1.4.5
Last updated2026-06-14 1:33pm GMT
Added2025-08-24
Requires WordPress5.0
Tested up to7.0.2
Requires PHP7.4

Tags on WordPress.org
funnelkit
payment
square
sync
woocommerce
Alternatives
Other plugins in the same categories.
Payment Plugins for PayPal WooCommerce
80K+ installs
4.9(124)
Payment Gateway for PayPal on WooCommerce
10K+ installs
4.4(74)
Payment Plugins for Stripe WooCommerce
100K+ installs
4.8(298)
WooPayments: Integrated WooCommerce Payments
900K+ installs
3.3(162)
WooCommerce Stripe Payment Gateway
700K+ installs
3.1(235)
Knit Pay – Cashfree, Instamojo, Razorpay, PayPal and more
2K+ installs
4.9(101)
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