diff --git a/lib/bigcommerce/api/cart/index.ts b/lib/bigcommerce/api/cart/index.ts
index 8c307dda8..f0c8afb2a 100644
--- a/lib/bigcommerce/api/cart/index.ts
+++ b/lib/bigcommerce/api/cart/index.ts
@@ -35,6 +35,11 @@ export type Cart = {
   base_amount: number
   discount_amount: number
   cart_amount: number
+  redirect_urls: {
+    cart_url: string
+    checkout_url: string
+    embedded_checkout_url: string
+  }
   line_items: {
     custom_items: any[]
     digital_items: any[]
diff --git a/lib/bigcommerce/api/customers.ts b/lib/bigcommerce/api/customers.ts
index 0ac75e3b6..a70f0a5b4 100644
--- a/lib/bigcommerce/api/customers.ts
+++ b/lib/bigcommerce/api/customers.ts
@@ -5,8 +5,16 @@ import createApiHandler, {
 import isAllowedMethod from './utils/is-allowed-method'
 import { BigcommerceApiError } from './utils/errors'
 
+type Body<T> = Partial<T> | undefined
+
 export type Customer = any
 
+export type AddCustomerBody = { item: any }
+
+export type CartHandlers = {
+  addItem: BigcommerceHandler<Customer, { cartId?: string } & Body<any>>
+}
+
 const METHODS = ['POST']
 
 const customersApi: BigcommerceApiHandler<Customer> = async (
diff --git a/lib/commerce/cart/use-add-item.tsx b/lib/commerce/cart/use-add-item.tsx
index 5445f9e11..9ff7306f4 100644
--- a/lib/commerce/cart/use-add-item.tsx
+++ b/lib/commerce/cart/use-add-item.tsx
@@ -1,5 +1,5 @@
 import { useCallback } from 'react'
-import { HookFetcher, HookFetcherOptions } from '../utils/types'
+import type { HookFetcher, HookFetcherOptions } from '../utils/types'
 import { useCommerce } from '..'
 
 export default function useAddItem<T, Input>(
diff --git a/lib/commerce/cart/use-cart-actions.tsx b/lib/commerce/cart/use-cart-actions.tsx
index f95219a9d..3ba4b2e1a 100644
--- a/lib/commerce/cart/use-cart-actions.tsx
+++ b/lib/commerce/cart/use-cart-actions.tsx
@@ -1,4 +1,4 @@
-import type { Fetcher } from '..'
+import type { HookFetcher, HookFetcherOptions } from '../utils/types'
 import useAddItem from './use-add-item'
 import useRemoveItem from './use-remove-item'
 import useUpdateItem from './use-update-item'
@@ -6,11 +6,12 @@ import useUpdateItem from './use-update-item'
 // This hook is probably not going to be used, but it's here
 // to show how a commerce should be structuring it
 export default function useCartActions<T, Input>(
-  fetcher: (fetch: Fetcher<T>, input: Input) => T | Promise<T>
+  options: HookFetcherOptions,
+  fetcher: HookFetcher<T, Input>
 ) {
-  const addItem = useAddItem<T, Input>(fetcher)
-  const updateItem = useUpdateItem<T, Input>(fetcher)
-  const removeItem = useRemoveItem<T, Input>(fetcher)
+  const addItem = useAddItem<T, Input>(options, fetcher)
+  const updateItem = useUpdateItem<T, Input>(options, fetcher)
+  const removeItem = useRemoveItem<T, Input>(options, fetcher)
 
   return { addItem, updateItem, removeItem }
 }
diff --git a/lib/commerce/cart/use-remove-item.tsx b/lib/commerce/cart/use-remove-item.tsx
index 66aa370dd..66076dacc 100644
--- a/lib/commerce/cart/use-remove-item.tsx
+++ b/lib/commerce/cart/use-remove-item.tsx
@@ -1,5 +1,5 @@
 import { useCallback } from 'react'
-import { HookFetcher, HookFetcherOptions } from '../utils/types'
+import type { HookFetcher, HookFetcherOptions } from '../utils/types'
 import { useCommerce } from '..'
 
 export default function useRemoveItem<T, Input>(
diff --git a/lib/commerce/cart/use-update-item.tsx b/lib/commerce/cart/use-update-item.tsx
index ac9344a74..18eb80399 100644
--- a/lib/commerce/cart/use-update-item.tsx
+++ b/lib/commerce/cart/use-update-item.tsx
@@ -1,5 +1,5 @@
 import { useCallback } from 'react'
-import { HookFetcher, HookFetcherOptions } from '../utils/types'
+import type { HookFetcher, HookFetcherOptions } from '../utils/types'
 import { useCommerce } from '..'
 
 export default function useUpdateItem<T, Input>(