Australia Post Nulled for WooCommerce allows you to get shipping rates from Australia Post’s Shipping API, which handles both domestic and international parcels.
Do you need to ship products in and around Australia?
The extension requires that your store use Australian Dollars for its currency and cm and kg for dimension and weight, but other units can be converted automatically. It can check availability and cost of the following services.
Demo : https://woocommerce.com/products/australia-post-shipping-method/#:~:text=Australia%20Post%20for%20WooCommerce%20Othersows,both%20domestic%20and%20international%20parcels.&text=not%20support%20%E2%80%9CPrepaid%20Parcel%20Post%20satchels%E2%80%9D%20and%20their%20bulk%20discounts.