# Shipping Service Defines shipping zones & delivery windows. ### Key features and benefits * Creates and configures shipping zones * Sets up delivery windows, including blackout days * Sets up delivery times with multiple delivery slots per day * Calculates shipping costs based on delivery time windows * Finds locations from which orders can ideally be shipped or where customers can collect their orders * Creates delivery zones based on postal codes * Provides accurate delivery information to customers * Gives customers the choice of their preferred delivery date and time * Better organizes delivery routes * Minimizes costs for shipping and delivery, for example, by creating zones that align with truck routes * Validates date combinations, for example: * Delivery on a single date 22/12/2023 and non-delivery on the same single date 22/12/2023 is not possible * Delivery on a single date 22/12/2023 which overrides a non-delivery period 21-28/12/2023 is possible --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://developer.emporix.io/api-references/api-guides/delivery-and-shipping/shipping-1.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.