Mercantor is a powerful WordPress plugin that automatically syncs your WooCommerce products to Google Merchant Center, making it easy to advertise on Google Shopping and Google Ads.

Key Features

Automatic Product Sync – Products are automatically synced to Google Merchant Center when created or updated
Real-time Change Detection – Hash-based diffing only syncs changed products, saving API quota
Multilingual & Multi-currency Support – Full support for WPML, Polylang, TranslatePress, and WooCommerce Multilingual
Multiple Target Markets – Sell to multiple countries with per-market currency mapping
Smart Error Handling – Diagnostics inbox with grouped Google issues and actionable messages
Transformation Rules – Map and transform attributes with a rule builder and presets
Product Feed Export – Generate tokenized XML and CSV feeds for external tools
Background Processing – All syncing happens in the background using WordPress Action Scheduler
OAuth 2.0 Integration – Secure Google account connection
Guided Setup Wizard – Step-by-step configuration to get you started quickly
WP-CLI Tools – Sync, validate, and fetch diagnostics from the command line

Perfect For

E-commerce stores using WooCommerce
Multi-language and multi-currency stores
International sellers with multiple target markets
Stores that need reliable Google Shopping integration
Merchants who want automated product feed management

Requirements

WordPress 6.5 or higher
WooCommerce 8.5 or higher
PHP 8.1 or higher
Google Merchant Center account

Documentation & Support

External Services

Mercantor connects to Google services that you explicitly authorize in order to publish and monitor your Merchant Center listings.

Google Merchant Center API

Endpoint: https://merchantapi.googleapis.com
Purpose: Creates, updates, and inspects Google Merchant Center product listings on your behalf.
Data sent: Product identifiers, titles, descriptions, image URLs, pricing, availability, shipping settings, and other product attributes required by Google. Customer or order information is never transmitted.
When data is sent: During the guided connection flow and whenever automated or manual sync jobs run.
Authentication: OAuth 2.0 using the https://www.googleapis.com/auth/content scope. Access and refresh tokens are stored securely in your WordPress database and can be revoked from the Mercantor settings page.
Terms of Service: https://policies.google.com/terms
Privacy Policy: https://policies.google.com/privacy

Privacy Policy

Mercantor connects to the Google Merchant Center API only after you complete the OAuth consent flow inside the plugin. We transmit product catalog data (titles, descriptions, pricing, availability, images, and required attributes) so your listings stay in sync with Google. Customer, order, and analytics data are never sent. OAuth credentials are stored in the WordPress options table using secure WordPress APIs and can be revoked at any time through Mercantor Settings Disconnect Google.
On uninstall, Mercantor drops its custom database tables and deletes its options (including OAuth tokens, feed tokens, and setup data) so no plugin data is retained.

Roadmap / Upcoming

Stricter Content Security Policy (CSP) rollout for the admin app
Opt-in telemetry with diagnostics export bundle (logs, payload samples, system info)
Scheduled health checks and automated diagnostics refresh
In-product fix recipes and support macros for top Merchant Center errors
Optional GA4 tracking toggle with consent-mode compatibility

Support

For support and questions visit:
* Website: https://jajasolutions.de
* Plugin Support Forum: https://wordpress.org/support/plugin/mercantor
* Developer: Janni Hares

Credits

Built with ❤️ for the WordPress and WooCommerce community.

Installation

Upload the mercantor folder to the /wp-content/plugins/ directory
Activate the plugin through the ‘Plugins’ menu in WordPress
Navigate to ‘Mercantor’ in the WordPress admin menu
Follow the setup wizard to connect your Google Merchant Center account
Configure your target markets and languages
Start syncing products!

From WordPress.org

Go to Plugins > Add New
Search for “Mercantor”
Click “Install Now” and then “Activate”
Follow the setup wizard

Frequently Asked Questions

Do I need a Google Merchant Center account?

Yes, you need an active Google Merchant Center account to use this plugin.

Does this work with variable products?

Yes, Mercantor fully supports variable products and will sync all variations.

Can I sync to multiple countries?

Yes, you can configure multiple target countries and languages in the settings.

Is my Google account secure?

Yes, we use OAuth 2.0 for secure authentication. Your credentials are never stored.

What happens if a product has errors?

Mercantor will show you detailed error messages with suggested fixes in the Issues Inbox.

Can I export product feeds?

Yes, you can generate tokenized XML and CSV feed URLs for external tools.

Does this work with multisite?

Currently, Mercantor is designed for single-site installations.

Review feed

No reviews available

Screenshots

Dashboard with sync statistics and real-time updates
Setup wizard for easy Google account connection
Manual sync with live progress tracking
Issues Inbox with grouped errors and quick fixes

Changelog

1.0.0

Initial release
Automatic product sync to Google Merchant Center
OAuth 2.0 Google account connection
Multilingual and multi-currency support (WPML, Polylang, TranslatePress)
Real-time change detection with hash-based diffing
Background job processing with Action Scheduler
Comprehensive error diagnostics with Issues Inbox
Manual sync with real-time progress tracking
Product feed export (XML/CSV with tokenized URLs)
Guided setup wizard for easy onboarding
Transformation rules with presets
WP-CLI commands for advanced users
Performance optimized with query caching and batch processing
Security hardened with proper SQL preparation and OAuth 2.0

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