# Checkout

- [Cart Service](/api-references/checkout/cart.md)
- [Cart Tutorial](/api-references/checkout/cart/cart.md)
- [API Reference](/api-references/checkout/cart/api-reference.md)
- [Carts](/api-references/checkout/cart/api-reference/carts.md)
- [Cart items](/api-references/checkout/cart/api-reference/cart-items.md)
- [Discounts](/api-references/checkout/cart/api-reference/discounts.md)
- [Models](/api-references/checkout/cart/api-reference/models.md)
- [Payment-gateway Service](/api-references/checkout/payment-gateway.md)
- [Payment-gateway Tutorial](/api-references/checkout/payment-gateway/payment-gateway.md)
- [API Reference](/api-references/checkout/payment-gateway/api-reference.md)
- [Payment](/api-references/checkout/payment-gateway/api-reference/payment.md)
- [Payment mode](/api-references/checkout/payment-gateway/api-reference/payment-mode.md)
- [Payment   frontend](/api-references/checkout/payment-gateway/api-reference/payment-frontend.md)
- [Payment mode   frontend](/api-references/checkout/payment-gateway/api-reference/payment-mode-frontend.md)
- [Transaction](/api-references/checkout/payment-gateway/api-reference/transaction.md)
- [Models](/api-references/checkout/payment-gateway/api-reference/models.md)
- [Checkout Service](/api-references/checkout/checkout.md)
- [Checkout Tutorial](/api-references/checkout/checkout/checkout.md)
- [API Reference](/api-references/checkout/checkout/api-reference.md)
- [Checkouts](/api-references/checkout/checkout/api-reference/checkouts.md)
- [Models](/api-references/checkout/checkout/api-reference/models.md)
- [Fee Service](/api-references/checkout/fee.md)
- [Fee Tutorial](/api-references/checkout/fee/fee.md)
- [API Reference](/api-references/checkout/fee/api-reference.md)
- [Fee management](/api-references/checkout/fee/api-reference/fee-management.md)
- [Item fee management](/api-references/checkout/fee/api-reference/item-fee-management.md)
- [Product fees management](/api-references/checkout/fee/api-reference/product-fees-management.md)
- [Item fee search](/api-references/checkout/fee/api-reference/item-fee-search.md)
- [Models](/api-references/checkout/fee/api-reference/models.md)
- [Shopping List](/api-references/checkout/shopping-list.md)
- [API Reference](/api-references/checkout/shopping-list/api-reference.md)
- [Shopping Lists](/api-references/checkout/shopping-list/api-reference/shopping-lists.md)
- [Models](/api-references/checkout/shopping-list/api-reference/models.md)