shipping zones2 api integration1 cart1 checkout delivery1 classic checkout1 delivery quotes1 ecommerce1 item count1 last mile delivery1 local delivery1 order tracking1 plugin1 proof of delivery1 same day delivery1 scheduled delivery1 shipping1 subtotal1 uber direct1 webhook integration1 weight1 woocommerce1 woocommerce delivery1 woocommerce shipping1 wordpress1