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Zero Middleware
Native WordPress runtime execution with 0 SaaS latency.
GPLv2 Licensed
100% unencrypted code. Inspect, extend, and deploy freely.
PHP 8.3 Ready
Tested against WP 6.7+ & Gravity Forms 2.9+ core.
WordPress Add-onv1.0.0
Formidable Square POS & Digital Invoicing Pro
Accept credit cards, Apple Pay, Google Pay, and dispatch Square digital invoices.
4.9(1,200+ developers)
480 downloads
Billed annually
All-Access Pass
Explore →Unlock All 400+ Plugins for $199/yr
Unlimited sites, future releases & priority support.
Included With Your Purchase
Instant ZIP Download — Clean, unencrypted GPLv2 code
1-Click Automatic Updates — Directly from WordPress Admin
1 Year Priority Ticket Support — Answers in <4 hours
30-Day Money-Back Guarantee — 100% risk-free trial
100% Risk-Free 30-Day GuaranteeIf this add-on does not solve your exact Gravity Forms workflow requirement, our engineering team will resolve it or issue a prompt 100% refund.
256-Bit SSL Encrypted View Documentation
Core Capabilities
- Square Web Payments SDK integration with SCA compliance
- Native Apple Pay and Google Pay 1-click mobile checkout
- Auto-generate and email Square Digital Invoices with due dates
- Sync customer profiles and cards-on-file in Square Customer Directory
- Automatic inventory and catalog item lookup from Square POS
- Real-time refund and transaction status webhooks
Technical Specifications
Versionv1.0.0 (Production)
PlatformWordPress
PHP Compatibility8.0 – 8.3+
WordPress Compatibility6.0 – 6.7+
LicenseGPLv2
Updates1-Click Automatic
Architectural
Overview
Formidable Square POS & Digital Invoicing Pro connects Formidable Forms to the Square payments ecosystem. Process credit cards, Apple Pay, and Google Pay with Web Payments SDK, or dispatch automated Square invoices to customer emails.
Frequently Asked Questions
Frequently Asked Questions
How do I install and configure Formidable Square POS & Digital Invoicing Pro?
Download the signed ZIP file from GravityHive, navigate to Plugins → Add New → Upload Plugin in your WordPress admin, activate the plugin, and enter your license key under Form Settings → GravityHive Licenses to enable automated 1-click updates.
Is Formidable Square POS & Digital Invoicing Pro compatible with WordPress Multisite and latest PHP?
Yes, Formidable Square POS & Digital Invoicing Pro is fully tested and supported on PHP 8.0, 8.1, 8.2, and 8.3, WordPress 6.0+, and Gravity Forms 2.7, 2.8, and 2.9+, with full WordPress Multisite (WPMU) compatibility.
What is the refund policy for Formidable Square POS & Digital Invoicing Pro?
GravityHive offers a 30-day risk-free money-back guarantee. If you encounter any technical issues our engineering team cannot resolve, you receive a prompt 100% refund.
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