To integrate Square with WordPress, the easiest way is WooCommerce + the official Square extension. Install WooCommerce, then go to Plugins → Add New and install “WooCommerce Square.” Connect your Square account in WooCommerce → Settings → Payments → Square and grant permissions. Enable Square as a payment method, choose capture settings, and set your location and currency. Turn on webhooks so orders, refunds, and inventory can sync. Test with Square’s sandbox or a low-value order, then switch to live. If you don’t use WooCommerce, use Square’s checkout links or an embed button, but WooCommerce gives full cart checkout experience.
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