Click to Preview
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
Fluent Forms USPS CASS Official Address Standardization
Validate and standardize US addresses with official USPS Coding Accuracy (CASS).
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
- USPS Coding Accuracy Support System (CASS) validation
- Standardizes street abbreviations (St, Ave, Blvd, Rd) to USPS standards
- Appends accurate 4-digit ZIP code extension (ZIP+4)
- Delivery Point Validation (DPV) confirms mailbox deliverability
- Drastically cuts returned mail and undeliverable shipping costs
- GPLv2 license with continuous updates
Technical Specifications
Versionv1.0.0 (Production)
PlatformWordPress
PHP Compatibility8.0 – 8.3+
WordPress Compatibility6.0 – 6.7+
LicenseGPLv2
Updates1-Click Automatic
Architectural
Overview
Fluent Forms USPS CASS validates American addresses against the United States Postal Service database, correcting misspellings and appending ZIP+4 codes.
Frequently Asked Questions
Frequently Asked Questions
How do I install and configure Fluent Forms USPS CASS Official Address Standardization?
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 Fluent Forms USPS CASS Official Address Standardization compatible with WordPress Multisite and latest PHP?
Yes, Fluent Forms USPS CASS Official Address Standardization 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 Fluent Forms USPS CASS Official Address Standardization?
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.
Related
Plugins
View AllWordPressFrom $29
Gravity Forms Integrate SmartSheet Plugin
Connects forms to Smartsheet with real-time sync, mapping, and OAuth.
WordPressFrom $39
Gravity Forms Integrate OneDrive Plugin
Connects forms to Microsoft OneDrive. Automatically upload submissions and file attachments.
WordPressFrom $39
Gravity Forms Integrate Google Drive Plugin
Connects Gravity Forms to Google Drive. Automatically upload form submissions, files, and organize folders.