Polar WooCommerce Payment Gateway by ALT

Accept payments via Polar.sh Checkout for your WooCommerce store.

• Complete Polar.sh Checkout API integration
• Subscription support – Sell recurring products
• Dynamic pricing with ad-hoc prices
• Multiple product mapping modes
• Per-product Polar configuration
• Webhook support for payment confirmation
• Multi-currency support
• Debug logging

• WordPress 5.8+
• WooCommerce 5.0+
• PHP 7.4+
• Polar.sh account with Access Token

1. Upload plugin ZIP via Plugins → Add New → Upload Plugin
2. Activate the plugin
3. Go to WooCommerce → Settings → Payments → Polar

1. Go to https://polar.sh → Products → Create Product
2. Set price type to “Pay what you want” or “Custom”
3. Copy the Product ID (format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx)

1. Go to Polar Dashboard → Settings → API Tokens
2. Create new token with checkout permissions
3. Copy the Access Token

1. WooCommerce → Settings → Payments → Polar → Manage
2. Enter:
   • Polar Access Token: Your API token
   • Product Mapping: Select “Single Product + Dynamic Pricing”
   • Default Polar Product ID: Paste Product ID from Step 1
3. Save changes

Uses one Polar Product with dynamically calculated prices based on cart total.

Best for: Most WooCommerce stores

Uses one Polar Product with fixed catalog price.

Best for: Fixed-price subscriptions

Maps each WooCommerce product to a Polar Product using _polar_product_id meta field.

Best for: Advanced setups with multiple Polar products

1. Polar Dashboard → Settings → Webhooks
2. Add URL: https://yoursite.com/wc-api/wc_polar_gateway
3. Select event: checkout.completed

The plugin is translation-ready with English as default.

Vietnamese translation included:

• File: languages/apwg-vi_VN.po (editable)
• File: languages/apwg-vi_VN.mo (compiled)

The plugin automatically switches to Vietnamese when WordPress language is set to Vietnamese.

1. Copy languages/apwg-vi_VN.po to apwg-{locale}.po
2. Translate using Poedit or text editor
3. Compile to .mo file

Solution: Enter a valid Polar Product ID in settings. Create a product on Polar.sh first.

Solution: Enter your Polar Access Token in plugin settings.

Enable in settings, then check WooCommerce → Status → Logs → polar-* file

• Documentation: https://polar.sh/docs
• Polar Support: [email protected]

GPL v2 or later

• 🔧 Fixed Product ID format in all documentation
• 🔧 Updated examples to use correct UUID format (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx)
• 📚 Added PRODUCT-ID-FORMAT.md guide
• 🔒 Removed real Product IDs from examples

• ✨ NEW: Subscription products support
• ✨ NEW: Product meta box for per-product Polar configuration
• ✨ NEW: Enable subscription checkbox on products
• ✨ NEW: Polar Product ID field per product
• ✨ NEW: Mixed cart support (subscription + one-time)
• ✨ NEW: Subscription webhook handling
• 🔧 Enhanced payment logic with subscription priority
• 🔧 Improved webhook matching
• 📚 Added SUBSCRIPTION-GUIDE.md
• 🌐 7 new Vietnamese translations

• Initial release
• Polar Checkout API integration
• Dynamic pricing support
• Webhook handling
• Vietnamese translation

The plugin supports selling products as subscriptions.

Quick Setup:

• Create a recurring Product on Polar.sh
• Edit your WooCommerce product
• Enable “Polar Subscription” in the Polar Payment Settings meta box
• Enter the Polar Product ID
• Save