# API Reference

- [Customer Group Relations](/api-references/delivery-and-shipping/shipping/api-reference/customer-group-relations.md)
- [Delivery Windows](/api-references/delivery-and-shipping/shipping/api-reference/delivery-windows.md)
- [Shipping Cost](/api-references/delivery-and-shipping/shipping/api-reference/shipping-cost.md)
- [Shipping Methods](/api-references/delivery-and-shipping/shipping/api-reference/shipping-methods.md)
- [Shipping Zones](/api-references/delivery-and-shipping/shipping/api-reference/shipping-zones.md)
- [Shipping Groups](/api-references/delivery-and-shipping/shipping/api-reference/shipping-groups.md)
- [Sites](/api-references/delivery-and-shipping/shipping/api-reference/sites.md)
- [Delivery Times Management](/api-references/delivery-and-shipping/shipping/api-reference/delivery-times-management.md)
- [Delivery Times Slots Management](/api-references/delivery-and-shipping/shipping/api-reference/delivery-times-slots-management.md)
- [Delivery Cycles](/api-references/delivery-and-shipping/shipping/api-reference/delivery-cycles.md)
- [Models](/api-references/delivery-and-shipping/shipping/api-reference/models.md)