diff --git a/.changeset/honest-zoos-play.md b/.changeset/honest-zoos-play.md
new file mode 100644
index 0000000000..7d7389309f
--- /dev/null
+++ b/.changeset/honest-zoos-play.md
@@ -0,0 +1,7 @@
+---
+"@medusajs/core-flows": patch
+"@medusajs/medusa": patch
+"@medusajs/types": patch
+---
+
+feat(medusa,core-flows,types): added a basic endpoint for complete cart
diff --git a/integration-tests/modules/__tests__/cart/store/carts.spec.ts b/integration-tests/modules/__tests__/cart/store/carts.spec.ts
index 7ef8849415..23d27cee78 100644
--- a/integration-tests/modules/__tests__/cart/store/carts.spec.ts
+++ b/integration-tests/modules/__tests__/cart/store/carts.spec.ts
@@ -16,18 +16,20 @@ import {
   ITaxModuleService,
 } from "@medusajs/types"
 import {
+  ContainerRegistrationKeys,
   PromotionRuleOperator,
   PromotionType,
   RuleOperator,
 } from "@medusajs/utils"
 import { medusaIntegrationTestRunner } from "medusa-test-utils"
-import adminSeeder from "../../../../helpers/admin-seeder"
+import { createAdminUser } from "../../../../helpers/create-admin-user"
 import { createAuthenticatedCustomer } from "../../../helpers/create-authenticated-customer"
 import { setupTaxStructure } from "../../fixtures"
 
 jest.setTimeout(100000)
 
 const env = { MEDUSA_FF_MEDUSA_V2: true }
+const adminHeaders = { headers: { "x-medusa-access-token": "test_token" } }
 
 medusaIntegrationTestRunner({
   env,
@@ -44,8 +46,11 @@ medusaIntegrationTestRunner({
       let promotionModule: IPromotionModuleService
       let taxModule: ITaxModuleService
       let fulfillmentModule: IFulfillmentModuleService
+      let remoteLinkService
+      let regionService: IRegionModuleService
 
       let defaultRegion
+      let region
 
       beforeAll(async () => {
         appContainer = getContainer()
@@ -58,13 +63,17 @@ medusaIntegrationTestRunner({
         remoteLink = appContainer.resolve(LinkModuleUtils.REMOTE_LINK)
         promotionModule = appContainer.resolve(ModuleRegistrationName.PROMOTION)
         taxModule = appContainer.resolve(ModuleRegistrationName.TAX)
+        regionService = appContainer.resolve(ModuleRegistrationName.REGION)
         fulfillmentModule = appContainer.resolve(
           ModuleRegistrationName.FULFILLMENT
         )
+        remoteLinkService = appContainer.resolve(
+          ContainerRegistrationKeys.REMOTE_LINK
+        )
       })
 
       beforeEach(async () => {
-        await adminSeeder(dbConnection)
+        await createAdminUser(dbConnection, adminHeaders, appContainer)
 
         // Here, so we don't have to create a region for each test
         defaultRegion = await regionModule.create({
@@ -1389,6 +1398,196 @@ medusaIntegrationTestRunner({
           )
         })
       })
+
+      describe("POST /store/carts/:id/complete", () => {
+        let salesChannel
+        let product
+        let shippingProfile
+        let fulfillmentSet
+        let shippingOption
+
+        beforeEach(async () => {
+          await setupTaxStructure(taxModule)
+          region = await regionService.create({
+            name: "Test region",
+            countries: ["US"],
+            currency_code: "usd",
+          })
+
+          salesChannel = (
+            await api.post(
+              "/admin/sales-channels",
+              { name: "first channel", description: "channel" },
+              adminHeaders
+            )
+          ).data.sales_channel
+
+          product = (
+            await api.post(
+              "/admin/products",
+              {
+                title: "Test fixture",
+                tags: [{ value: "123" }, { value: "456" }],
+                options: [
+                  { title: "size", values: ["large", "small"] },
+                  { title: "color", values: ["green"] },
+                ],
+                variants: [
+                  {
+                    title: "Test variant",
+                    inventory_quantity: 10,
+                    prices: [
+                      {
+                        currency_code: "usd",
+                        amount: 100,
+                      },
+                    ],
+                    options: {
+                      size: "large",
+                      color: "green",
+                    },
+                  },
+                ],
+              },
+              adminHeaders
+            )
+          ).data.product
+
+          const stockLocation = (
+            await api.post(
+              `/admin/stock-locations`,
+              { name: "test location" },
+              adminHeaders
+            )
+          ).data.stock_location
+
+          await api.post(
+            `/admin/stock-locations/${stockLocation.id}/sales-channels`,
+            { add: [salesChannel.id] },
+            adminHeaders
+          )
+
+          shippingProfile = await fulfillmentModule.createShippingProfiles({
+            name: "Test",
+            type: "default",
+          })
+
+          fulfillmentSet = await fulfillmentModule.create({
+            name: "Test",
+            type: "test-type",
+            service_zones: [
+              {
+                name: "Test",
+                geo_zones: [{ type: "country", country_code: "us" }],
+              },
+            ],
+          })
+
+          await remoteLinkService.create([
+            {
+              [Modules.FULFILLMENT]: { fulfillment_set_id: fulfillmentSet.id },
+              [Modules.STOCK_LOCATION]: { stock_location_id: stockLocation.id },
+            },
+          ])
+
+          shippingOption = (
+            await api.post(
+              `/admin/shipping-options`,
+              {
+                name: "Test shipping option",
+                service_zone_id: fulfillmentSet.service_zones[0].id,
+                shipping_profile_id: shippingProfile.id,
+                provider_id: "manual_test-provider",
+                price_type: "flat",
+                type: {
+                  label: "Test type",
+                  description: "Test description",
+                  code: "test-code",
+                },
+                prices: [
+                  { currency_code: "usd", amount: 1000 },
+                  { region_id: region.id, amount: 1100 },
+                ],
+                rules: [],
+              },
+              adminHeaders
+            )
+          ).data.shipping_option
+        })
+
+        it("should create an order", async () => {
+          const cartResponse = await api.post(`/store/carts`, {
+            currency_code: "usd",
+            email: "tony@stark-industries.com",
+            shipping_address: {
+              address_1: "test address 1",
+              address_2: "test address 2",
+              city: "ny",
+              country_code: "us",
+              province: "ny",
+              postal_code: "94016",
+            },
+            // TODO: inventory isn't being managed on a product level
+            // sales_channel_id: salesChannel.id,
+            items: [{ quantity: 1, variant_id: product.variants[0].id }],
+          })
+
+          const response = await api.post(
+            `/store/carts/${cartResponse.data.cart.id}/complete`,
+            {}
+          )
+
+          expect(response.status).toEqual(200)
+          expect(response.data.order).toEqual(
+            expect.objectContaining({
+              id: expect.any(String),
+              total: 106,
+              subtotal: 100,
+              tax_total: 6,
+              discount_total: 0,
+              discount_tax_total: 0,
+              original_total: 106,
+              original_tax_total: 6,
+              item_total: 106,
+              item_subtotal: 100,
+              item_tax_total: 6,
+              original_item_total: 106,
+              original_item_subtotal: 100,
+              original_item_tax_total: 6,
+              shipping_total: 0,
+              shipping_subtotal: 0,
+              shipping_tax_total: 0,
+              original_shipping_tax_total: 0,
+              original_shipping_tax_subtotal: 0,
+              original_shipping_total: 0,
+              items: [
+                expect.objectContaining({
+                  product_id: product.id,
+                  unit_price: 100,
+                  quantity: 1,
+                  tax_total: 6,
+                  subtotal: 100,
+                  total: 106,
+                  original_total: 106,
+                  discount_total: 0,
+                  tax_lines: [
+                    expect.objectContaining({
+                      rate: 6,
+                    }),
+                  ],
+                  adjustments: [],
+                }),
+              ],
+              shipping_address: expect.objectContaining({
+                city: "ny",
+                country_code: "us",
+                province: "ny",
+                postal_code: "94016",
+              }),
+            })
+          )
+        })
+      })
     })
   },
 })
diff --git a/packages/core-flows/src/definition/cart/steps/create-order-from-cart.ts b/packages/core-flows/src/definition/cart/steps/create-order-from-cart.ts
new file mode 100644
index 0000000000..f2dac943d1
--- /dev/null
+++ b/packages/core-flows/src/definition/cart/steps/create-order-from-cart.ts
@@ -0,0 +1,57 @@
+import { CartWorkflowDTO } from "@medusajs/types"
+import { OrderStatus } from "@medusajs/utils"
+import { StepResponse, createStep } from "@medusajs/workflows-sdk"
+import { createOrdersWorkflow } from "../../../order/workflows/create-orders"
+
+interface StepInput {
+  cart: CartWorkflowDTO
+}
+
+export const createOrderFromCartStepId = "create-order-from-cart"
+export const createOrderFromCartStep = createStep(
+  createOrderFromCartStepId,
+  async (input: StepInput, { container }) => {
+    const { cart } = input
+
+    const itemAdjustments = (cart.items || [])
+      ?.map((item) => item.adjustments || [])
+      .flat(1)
+    const shippingAdjustments = (cart.shipping_methods || [])
+      ?.map((sm) => sm.adjustments || [])
+      .flat(1)
+
+    const promoCodes = [...itemAdjustments, ...shippingAdjustments]
+      .map((adjustment) => adjustment.code)
+      .filter((code) => Boolean) as string[]
+
+    const { transaction, result } = await createOrdersWorkflow(container).run({
+      input: {
+        region_id: cart.region?.id,
+        customer_id: cart.customer?.id,
+        sales_channel_id: cart.sales_channel_id,
+        status: OrderStatus.PENDING,
+        email: cart.email,
+        currency_code: cart.currency_code,
+        shipping_address: cart.shipping_address,
+        billing_address: cart.billing_address,
+        // TODO: This should be handle correctly
+        no_notification: false,
+        items: cart.items,
+        shipping_methods: cart.shipping_methods,
+        metadata: cart.metadata,
+        promo_codes: promoCodes,
+      },
+    })
+
+    return new StepResponse(result, { transaction })
+  },
+  async (flow, { container }) => {
+    if (!flow) {
+      return
+    }
+
+    await createOrdersWorkflow(container).cancel({
+      transaction: flow.transaction,
+    })
+  }
+)
diff --git a/packages/core-flows/src/definition/cart/steps/index.ts b/packages/core-flows/src/definition/cart/steps/index.ts
index 3e7680c1f2..4d19d7592c 100644
--- a/packages/core-flows/src/definition/cart/steps/index.ts
+++ b/packages/core-flows/src/definition/cart/steps/index.ts
@@ -3,6 +3,7 @@ export * from "./add-to-cart"
 export * from "./confirm-inventory"
 export * from "./create-carts"
 export * from "./create-line-item-adjustments"
+export * from "./create-order-from-cart"
 export * from "./create-shipping-method-adjustments"
 export * from "./find-one-or-any-region"
 export * from "./find-or-create-customer"
diff --git a/packages/core-flows/src/definition/cart/utils/fields.ts b/packages/core-flows/src/definition/cart/utils/fields.ts
index e213d83bfd..f2cefdacf7 100644
--- a/packages/core-flows/src/definition/cart/utils/fields.ts
+++ b/packages/core-flows/src/definition/cart/utils/fields.ts
@@ -10,3 +10,43 @@ export const cartFieldsForRefreshSteps = [
   "customer.*",
   "customer.groups.*",
 ]
+
+export const completeCartFields = [
+  "id",
+  "currency_code",
+  "email",
+  "created_at",
+  "updated_at",
+  "total",
+  "subtotal",
+  "tax_total",
+  "discount_total",
+  "discount_tax_total",
+  "original_total",
+  "original_tax_total",
+  "item_total",
+  "item_subtotal",
+  "item_tax_total",
+  "sales_channel_id",
+  "original_item_total",
+  "original_item_subtotal",
+  "original_item_tax_total",
+  "shipping_total",
+  "shipping_subtotal",
+  "shipping_tax_total",
+  "original_shipping_tax_total",
+  "original_shipping_tax_subtotal",
+  "original_shipping_total",
+  "items.*",
+  "items.tax_lines.*",
+  "items.adjustments.*",
+  "customer.*",
+  "shipping_methods.*",
+  "shipping_methods.tax_lines.*",
+  "shipping_methods.adjustments.*",
+  "shipping_address.*",
+  "billing_address.*",
+  "region.*",
+  "payment_collection.*",
+  "payment_collection.payment_sessions.*",
+]
diff --git a/packages/core-flows/src/definition/cart/utils/prepare-line-item-data.ts b/packages/core-flows/src/definition/cart/utils/prepare-line-item-data.ts
index e4af0bbc8e..622954699c 100644
--- a/packages/core-flows/src/definition/cart/utils/prepare-line-item-data.ts
+++ b/packages/core-flows/src/definition/cart/utils/prepare-line-item-data.ts
@@ -1,15 +1,30 @@
-import { BigNumberInput, ProductVariantDTO } from "@medusajs/types"
+import {
+  BigNumberInput,
+  CreateOrderAdjustmentDTO,
+  CreateOrderLineItemTaxLineDTO,
+  ProductVariantDTO,
+} from "@medusajs/types"
 
 interface Input {
   quantity: BigNumberInput
   metadata?: Record<string, any>
   unitPrice: BigNumberInput
   variant: ProductVariantDTO
+  taxLines?: CreateOrderLineItemTaxLineDTO[]
+  adjustments?: CreateOrderAdjustmentDTO[]
   cartId?: string
 }
 
 export function prepareLineItemData(data: Input) {
-  const { variant, unitPrice, quantity, metadata, cartId } = data
+  const {
+    variant,
+    unitPrice,
+    quantity,
+    metadata,
+    cartId,
+    taxLines,
+    adjustments,
+  } = data
 
   if (!variant.product) {
     throw new Error("Variant does not have a product")
@@ -39,9 +54,37 @@ export function prepareLineItemData(data: Input) {
     metadata,
   }
 
+  if (taxLines) {
+    lineItem.tax_lines = prepareTaxLinesData(taxLines)
+  }
+
+  if (adjustments) {
+    lineItem.adjustments = prepareAdjustmentsData(adjustments)
+  }
+
   if (cartId) {
     lineItem.cart_id = cartId
   }
 
   return lineItem
 }
+
+export function prepareTaxLinesData(data: CreateOrderLineItemTaxLineDTO[]) {
+  return data.map((d) => ({
+    description: d.description,
+    tax_rate_id: d.tax_rate_id,
+    code: d.code,
+    rate: d.rate,
+    provider_id: d.provider_id,
+  }))
+}
+
+export function prepareAdjustmentsData(data: CreateOrderAdjustmentDTO[]) {
+  return data.map((d) => ({
+    code: d.code,
+    amount: d.amount,
+    description: d.description,
+    promotion_id: d.promotion_id,
+    provider_id: d.promotion_id,
+  }))
+}
diff --git a/packages/core-flows/src/definition/cart/workflows/complete-cart.ts b/packages/core-flows/src/definition/cart/workflows/complete-cart.ts
new file mode 100644
index 0000000000..c035b9cd1f
--- /dev/null
+++ b/packages/core-flows/src/definition/cart/workflows/complete-cart.ts
@@ -0,0 +1,43 @@
+import { CompleteCartWorkflowInputDTO, OrderDTO } from "@medusajs/types"
+import { WorkflowData, createWorkflow } from "@medusajs/workflows-sdk"
+import { useRemoteQueryStep } from "../../../common"
+import { createOrderFromCartStep } from "../steps"
+import { updateTaxLinesStep } from "../steps/update-tax-lines"
+import { completeCartFields } from "../utils/fields"
+
+/*
+  - [] Create Tax Lines
+  - [] Authorize Payment
+    - fail:
+      - [] Delete Tax lines
+  - [] Reserve Item from inventory (if enabled)
+    - fail:
+      - [] Delete reservations
+      - [] Cancel Payment
+  - [] Create order
+*/
+export const completeCartWorkflowId = "complete-cart"
+export const completeCartWorkflow = createWorkflow(
+  completeCartWorkflowId,
+  (
+    input: WorkflowData<CompleteCartWorkflowInputDTO>
+  ): WorkflowData<OrderDTO> => {
+    const cart = useRemoteQueryStep({
+      entry_point: "cart",
+      fields: completeCartFields,
+      variables: { id: input.id },
+      list: false,
+    })
+
+    updateTaxLinesStep({ cart_or_cart_id: cart, force_tax_calculation: true })
+
+    const finalCart = useRemoteQueryStep({
+      entry_point: "cart",
+      fields: completeCartFields,
+      variables: { id: input.id },
+      list: false,
+    }).config({ name: "final-cart" })
+
+    return createOrderFromCartStep({ cart: finalCart })
+  }
+)
diff --git a/packages/core-flows/src/definition/cart/workflows/index.ts b/packages/core-flows/src/definition/cart/workflows/index.ts
index 63bd15dff6..a69e51fa09 100644
--- a/packages/core-flows/src/definition/cart/workflows/index.ts
+++ b/packages/core-flows/src/definition/cart/workflows/index.ts
@@ -1,5 +1,6 @@
 export * from "./add-shipping-method-to-cart"
 export * from "./add-to-cart"
+export * from "./complete-cart"
 export * from "./create-carts"
 export * from "./create-payment-collection-for-cart"
 export * from "./list-shipping-options-for-cart"
diff --git a/packages/core-flows/src/order/workflows/create-orders.ts b/packages/core-flows/src/order/workflows/create-orders.ts
index 3c0600fbbd..75fba6f0e3 100644
--- a/packages/core-flows/src/order/workflows/create-orders.ts
+++ b/packages/core-flows/src/order/workflows/create-orders.ts
@@ -7,15 +7,13 @@ import {
   transform,
 } from "@medusajs/workflows-sdk"
 import { useRemoteQueryStep } from "../../common"
-import {
-  confirmInventoryStep,
-  findOneOrAnyRegionStep,
-  findOrCreateCustomerStep,
-  findSalesChannelStep,
-  getVariantPriceSetsStep,
-  getVariantsStep,
-  validateVariantsExistStep,
-} from "../../definition/cart"
+import { confirmInventoryStep } from "../../definition/cart/steps/confirm-inventory"
+import { findOneOrAnyRegionStep } from "../../definition/cart/steps/find-one-or-any-region"
+import { findOrCreateCustomerStep } from "../../definition/cart/steps/find-or-create-customer"
+import { findSalesChannelStep } from "../../definition/cart/steps/find-sales-channel"
+import { getVariantPriceSetsStep } from "../../definition/cart/steps/get-variant-price-sets"
+import { getVariantsStep } from "../../definition/cart/steps/get-variants"
+import { validateVariantsExistStep } from "../../definition/cart/steps/validate-variants-existence"
 import { prepareConfirmInventoryInput } from "../../definition/cart/utils/prepare-confirm-inventory-input"
 import { prepareLineItemData } from "../../definition/cart/utils/prepare-line-item-data"
 import { createOrdersStep, updateOrderTaxLinesStep } from "../steps"
@@ -174,6 +172,8 @@ export const createOrdersWorkflow = createWorkflow(
           ),
           quantity: item.quantity as number,
           metadata: item?.metadata ?? {},
+          taxLines: item.tax_lines || [],
+          adjustments: item.adjustments || [],
         })
       })
 
diff --git a/packages/medusa/src/api-v2/store/carts/[id]/complete/route.ts b/packages/medusa/src/api-v2/store/carts/[id]/complete/route.ts
new file mode 100644
index 0000000000..89f8930ea7
--- /dev/null
+++ b/packages/medusa/src/api-v2/store/carts/[id]/complete/route.ts
@@ -0,0 +1,34 @@
+import { completeCartWorkflow } from "@medusajs/core-flows"
+import { MedusaRequest, MedusaResponse } from "../../../../../types/routing"
+import { refetchOrder } from "../../../orders/helpers"
+import { StoreCompleteCartType } from "../../validators"
+
+export const POST = async (
+  req: MedusaRequest<StoreCompleteCartType>,
+  res: MedusaResponse
+) => {
+  const { idempotency_key: idempotencyKey } = req.validatedBody
+
+  // If the idempotencyKey is present:
+  //  - is workflow is running?
+  //    = throw error
+  //  - else
+  //   - re-run the workflow at the failed step
+
+  const { errors, result } = await completeCartWorkflow(req.scope).run({
+    input: { id: req.params.id },
+    throwOnError: false,
+  })
+
+  if (Array.isArray(errors) && errors[0]) {
+    throw errors[0].error
+  }
+
+  const order = await refetchOrder(
+    result.id,
+    req.scope,
+    req.remoteQueryConfig.fields
+  )
+
+  res.status(200).json({ order })
+}
diff --git a/packages/medusa/src/api-v2/store/carts/middlewares.ts b/packages/medusa/src/api-v2/store/carts/middlewares.ts
index 7acd360b8c..1dc2e89724 100644
--- a/packages/medusa/src/api-v2/store/carts/middlewares.ts
+++ b/packages/medusa/src/api-v2/store/carts/middlewares.ts
@@ -2,12 +2,15 @@ import { MiddlewareRoute } from "../../../loaders/helpers/routing/types"
 import { authenticate } from "../../../utils/authenticate-middleware"
 import { validateAndTransformBody } from "../../utils/validate-body"
 import { validateAndTransformQuery } from "../../utils/validate-query"
+import * as OrderQueryConfig from "../orders/query-config"
+import { StoreGetOrder } from "../orders/validators"
 import * as QueryConfig from "./query-config"
 import {
   StoreAddCartLineItem,
   StoreAddCartPromotions,
   StoreAddCartShippingMethods,
   StoreCalculateCartTaxes,
+  StoreCompleteCart,
   StoreCreateCart,
   StoreGetCartsCart,
   StoreRemoveCartPromotions,
@@ -144,4 +147,15 @@ export const storeCartRoutesMiddlewares: MiddlewareRoute[] = [
       ),
     ],
   },
+  {
+    method: ["POST"],
+    matcher: "/store/carts/:id/complete",
+    middlewares: [
+      validateAndTransformBody(StoreCompleteCart),
+      validateAndTransformQuery(
+        StoreGetOrder,
+        OrderQueryConfig.retrieveTransformQueryConfig
+      ),
+    ],
+  },
 ]
diff --git a/packages/medusa/src/api-v2/store/carts/validators.ts b/packages/medusa/src/api-v2/store/carts/validators.ts
index 057ae0eb9f..97bcc7eba5 100644
--- a/packages/medusa/src/api-v2/store/carts/validators.ts
+++ b/packages/medusa/src/api-v2/store/carts/validators.ts
@@ -82,3 +82,10 @@ export const StoreAddCartShippingMethods = z
     data: z.record(z.unknown()).optional(),
   })
   .strict()
+
+export const StoreCompleteCart = z
+  .object({
+    idempotency_key: z.string().optional(),
+  })
+  .strict()
+export type StoreCompleteCartType = z.infer<typeof StoreCompleteCart>
diff --git a/packages/medusa/src/api-v2/store/orders/helpers.ts b/packages/medusa/src/api-v2/store/orders/helpers.ts
new file mode 100644
index 0000000000..1a9afaade7
--- /dev/null
+++ b/packages/medusa/src/api-v2/store/orders/helpers.ts
@@ -0,0 +1,10 @@
+import { MedusaContainer } from "@medusajs/types"
+import { refetchEntity } from "../../utils/refetch-entity"
+
+export const refetchOrder = async (
+  idOrFilter: string | object,
+  scope: MedusaContainer,
+  fields: string[]
+) => {
+  return await refetchEntity("order", idOrFilter, scope, fields)
+}
diff --git a/packages/medusa/src/api-v2/store/orders/query-config.ts b/packages/medusa/src/api-v2/store/orders/query-config.ts
new file mode 100644
index 0000000000..1a497dee63
--- /dev/null
+++ b/packages/medusa/src/api-v2/store/orders/query-config.ts
@@ -0,0 +1,55 @@
+// TODO: This is copied over from admin. Scope what fields and relations are allowed for store
+
+export const defaultStoreOrderFields = [
+  "id",
+  "status",
+  "version",
+  "summary",
+  "metadata",
+  "created_at",
+  "updated_at",
+]
+
+export const defaultStoreRetrieveOrderFields = [
+  "id",
+  "status",
+  "version",
+  "summary",
+  "total",
+  "subtotal",
+  "tax_total",
+  "discount_total",
+  "discount_tax_total",
+  "original_total",
+  "original_tax_total",
+  "item_total",
+  "item_subtotal",
+  "item_tax_total",
+  "original_item_total",
+  "original_item_subtotal",
+  "original_item_tax_total",
+  "shipping_total",
+  "shipping_subtotal",
+  "shipping_tax_total",
+  "original_shipping_tax_total",
+  "original_shipping_tax_subtotal",
+  "original_shipping_total",
+  "created_at",
+  "updated_at",
+  "*items",
+  "*items.tax_lines",
+  "*items.adjustments",
+  "*items.detail",
+  "*items.tax_lines",
+  "*items.adjustments",
+  "*shipping_address",
+  "*billing_address",
+  "*shipping_methods",
+  "*shipping_methods.tax_lines",
+  "*shipping_methods.adjustments",
+]
+
+export const retrieveTransformQueryConfig = {
+  defaultFields: defaultStoreRetrieveOrderFields,
+  isList: false,
+}
diff --git a/packages/medusa/src/api-v2/store/orders/validators.ts b/packages/medusa/src/api-v2/store/orders/validators.ts
new file mode 100644
index 0000000000..aa878fb0aa
--- /dev/null
+++ b/packages/medusa/src/api-v2/store/orders/validators.ts
@@ -0,0 +1,5 @@
+import { z } from "zod"
+import { createSelectParams } from "../../utils/validators"
+
+export const StoreGetOrder = createSelectParams()
+export type StoreGetOrderType = z.infer<typeof StoreGetOrder>
diff --git a/packages/modules/order/src/types/order-detail.ts b/packages/modules/order/src/types/order-detail.ts
index 9058bde787..6dc8de1bc4 100644
--- a/packages/modules/order/src/types/order-detail.ts
+++ b/packages/modules/order/src/types/order-detail.ts
@@ -12,7 +12,7 @@ export interface PartialUpsertOrderItemDTO {
   return_dismissed_quantity?: BigNumberInput
   written_off_quantity?: BigNumberInput
 
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 export interface CreateOrderItemDTO extends PartialUpsertOrderItemDTO {
diff --git a/packages/modules/order/src/types/order.ts b/packages/modules/order/src/types/order.ts
index d51272f8f5..b23483764f 100644
--- a/packages/modules/order/src/types/order.ts
+++ b/packages/modules/order/src/types/order.ts
@@ -8,7 +8,7 @@ export interface CreateOrderDTO {
   currency_code: string
   status?: OrderStatus
   no_notification?: boolean
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 export interface UpdateOrderDTO {
@@ -21,5 +21,5 @@ export interface UpdateOrderDTO {
   currency_code?: string
   status?: OrderStatus
   no_notification?: boolean
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
diff --git a/packages/types/src/cart/workflows.ts b/packages/types/src/cart/workflows.ts
index 9635720d77..af03fe629e 100644
--- a/packages/types/src/cart/workflows.ts
+++ b/packages/types/src/cart/workflows.ts
@@ -118,3 +118,7 @@ export interface ListShippingOptionsForCartWorkflowInputDTO {
 export interface PricedShippingOptionDTO extends ShippingOptionDTO {
   amount: BigNumberInput
 }
+
+export interface CompleteCartWorkflowInputDTO {
+  id: string
+}
diff --git a/packages/types/src/order/mutations.ts b/packages/types/src/order/mutations.ts
index 7240d667a9..61ef62c21c 100644
--- a/packages/types/src/order/mutations.ts
+++ b/packages/types/src/order/mutations.ts
@@ -14,7 +14,7 @@ export interface UpsertOrderAddressDTO {
   province?: string
   postal_code?: string
   phone?: string
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 export interface UpdateOrderAddressDTO extends UpsertOrderAddressDTO {
@@ -41,7 +41,7 @@ export interface CreateOrderDTO {
   items?: CreateOrderLineItemDTO[]
   shipping_methods?: Omit<CreateOrderShippingMethodDTO, "order_id">[]
   transactions?: Omit<CreateOrderTransactionDTO, "order_id">[]
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 
   promo_codes?: string[]
 }
@@ -57,7 +57,7 @@ export interface UpdateOrderDTO {
   billing_address?: CreateOrderAddressDTO | UpdateOrderAddressDTO
   email?: string
   no_notification?: boolean
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 /** ORDER END */
@@ -167,7 +167,7 @@ export interface CreateOrderLineItemDTO {
   tax_lines?: CreateOrderTaxLineDTO[]
   adjustments?: CreateOrderAdjustmentDTO[]
 
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 export interface CreateOrderLineItemForOrderDTO extends CreateOrderLineItemDTO {
@@ -248,7 +248,7 @@ export interface CreateOrderChangeDTO {
   requested_by?: string
   requested_at?: Date
   created_by?: string
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
   actions?: CreateOrderChangeActionDTO[]
 }
 
@@ -265,25 +265,25 @@ export interface UpdateOrderChangeDTO {
   declined_reason?: string
   declined_at?: Date
   canceled_by?: string
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 export interface CancelOrderChangeDTO {
   id: string
   canceled_by?: string
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 export interface DeclineOrderChangeDTO {
   id: string
   declined_by?: string
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 export interface ConfirmOrderChangeDTO {
   id: string
   confirmed_by?: string
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 /** ORDER CHANGE END */
@@ -314,7 +314,7 @@ export interface CreateOrderTransactionDTO {
   currency_code: string
   reference?: string
   reference_id?: string
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 export interface UpdateOrderTransactionDTO {
@@ -323,7 +323,7 @@ export interface UpdateOrderTransactionDTO {
   currency_code?: string
   reference?: string
   reference_id?: string
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 /** ORDER TRANSACTION END */
@@ -340,7 +340,7 @@ export interface UpdateOrderItemDTO {
   return_received_quantity?: BigNumberInput
   return_dismissed_quantity?: BigNumberInput
   written_off_quantity?: BigNumberInput
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 export interface UpdateOrderItemWithSelectorDTO {
@@ -363,9 +363,9 @@ export interface RegisterOrderFulfillmentDTO {
     id: string
     quantity: BigNumberInput
     internal_note?: string
-    metadata?: Record<string, unknown>
+    metadata?: Record<string, unknown> | null
   }[]
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 export interface RegisterOrderShipmentDTO {
@@ -379,9 +379,9 @@ export interface RegisterOrderShipmentDTO {
     id: string
     quantity: BigNumberInput
     internal_note?: string
-    metadata?: Record<string, unknown>
+    metadata?: Record<string, unknown> | null
   }[]
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 export interface CreateOrderReturnDTO {
@@ -395,9 +395,9 @@ export interface CreateOrderReturnDTO {
     id: string
     quantity: BigNumberInput
     internal_note?: string
-    metadata?: Record<string, unknown>
+    metadata?: Record<string, unknown> | null
   }[]
-  metadata?: Record<string, unknown>
+  metadata?: Record<string, unknown> | null
 }
 
 /** ORDER bundled action flows */