Available for OpenCart 3.x and OpenCart 4.x
Validates Saudi Arabian National Address short codes via the OTO Global API during checkout. Customers enter their Dafni short code (4 letters + 4 digits, e.g., ABCD1234) which automatically fills address fields with validated data from the Saudi Post system.

Key Features:
Real-time short code validation using OTO Global API
Auto-fills address fields with validated Saudi National Address data
Supports both payment and shipping addresses
Optional: Make short code required for Saudi orders
Displays short code in admin order view
Address Book integration - save short codes with customer addresses
OAuth2 authentication with automatic token refresh
Theme-agnostic design - works with any OpenCart 3.x or 4.x theme
Supports 2FA authentication for OTO API connection

Perfect for:
Online stores shipping to Saudi Arabia
Businesses requiring accurate Saudi addresses
Reducing address entry errors and failed deliveries

Compatible Versions:
OpenCart 3.0.0.0 through 3.0.3.9+ (All OpenCart 3 versions)
OpenCart 4.0.0.0 and above (All OpenCart 4 versions)

Please download the correct zip file for your OpenCart version.

Installation (OpenCart 3.x):
Upload via Admin → Extensions → Installer
Go to Extensions → Extensions → Select "Modules" from dropdown
Find "KSA National Address Validator" and click Install
Click Edit to connect with your OTO API credentials
Configure settings (enable module, set as required/optional)

Installation (OpenCart 4.x):
Upload via Admin → Extensions → Installer
Click Install next to the uploaded extension in the Installer list
Go to Extensions → Extensions → Select "Modules" from dropdown
Find "KSA National Address Validator" and click Install
Click Edit to connect with your OTO API credentials
Configure settings and clear cache from Dashboard

Requirements:
OTO Global API account (free registration at tryoto.com)
OpenCart 3.x with PHP 7.0 - 7.4
OpenCart 4.x with PHP 8.0+

What is Dafni?
Dafni is the Saudi National Address short code system. Every registered address in Saudi Arabia has a unique 4-letter + 4-digit code that identifies the exact location. This extension validates these codes through the official Saudi Post API.

Support:
Full documentation included. For issues or questions, please contact via the support tab.