diff --git a/integration-tests/api/__tests__/admin/sales-channels.js b/integration-tests/api/__tests__/admin/sales-channels.js
index 79c634d645..aeb5ce77e2 100644
--- a/integration-tests/api/__tests__/admin/sales-channels.js
+++ b/integration-tests/api/__tests__/admin/sales-channels.js
@@ -6,7 +6,6 @@ const { useApi } = require("../../../helpers/use-api")
 const { useDb } = require("../../../helpers/use-db")
 
 const adminSeeder = require("../../helpers/admin-seeder")
-
 const {
   simpleSalesChannelFactory,
   simpleProductFactory,
@@ -744,4 +743,72 @@ describe("sales channels", () => {
       expect(attachedProduct.sales_channels.length).toBe(0)
     })
   })
+
+  describe("POST /admin/sales-channels/:id/products/batch", () => {
+    let salesChannel
+    let product
+
+    beforeEach(async() => {
+      try {
+        await adminSeeder(dbConnection)
+        salesChannel = await simpleSalesChannelFactory(dbConnection, {
+          name: "test name",
+          description: "test description",
+        })
+        product = await simpleProductFactory(dbConnection, {
+          id: "product_1",
+          title: "test title",
+        })
+      } catch (e) {
+        console.error(e)
+      }
+    })
+
+    afterEach(async () => {
+      const db = useDb()
+      await db.teardown()
+    })
+
+    it("should add products to a sales channel", async() => {
+      const api = useApi()
+
+      const payload = {
+        product_ids: [{ id: product.id }]
+      }
+
+      let response = await api.post(
+          `/admin/sales-channels/${salesChannel.id}/products/batch`,
+          payload,
+          adminReqConfig
+      )
+
+      expect(response.status).toEqual(200)
+      expect(response.data.sales_channel).toEqual({
+        id: expect.any(String),
+        name: "test name",
+        description: "test description",
+        is_disabled: false,
+        created_at: expect.any(String),
+        updated_at: expect.any(String),
+        deleted_at: null,
+      })
+
+      let attachedProduct = await dbConnection.manager.findOne(Product, {
+        where: { id: product.id },
+        relations: ["sales_channels"]
+      })
+
+      expect(attachedProduct.sales_channels.length).toBe(1)
+      expect(attachedProduct.sales_channels).toEqual(
+        expect.arrayContaining([
+          expect.objectContaining({
+            id: expect.any(String),
+            name: "test name",
+            description: "test description",
+            is_disabled: false,
+          })
+        ])
+      )
+    })
+  })
 })
diff --git a/packages/medusa-js/src/resources/admin/sales-channels.ts b/packages/medusa-js/src/resources/admin/sales-channels.ts
index 0e1a0cad06..e4d0f796b2 100644
--- a/packages/medusa-js/src/resources/admin/sales-channels.ts
+++ b/packages/medusa-js/src/resources/admin/sales-channels.ts
@@ -6,6 +6,7 @@ import {
   AdminSalesChannelsDeleteRes,
   AdminSalesChannelsListRes,
   AdminDeleteSalesChannelsChannelProductsBatchReq,
+  AdminPostSalesChannelsChannelProductsBatchReq,
 } from "@medusajs/medusa"
 import { ResponsePromise } from "../../typings"
 import BaseResource from "../base"
@@ -104,6 +105,22 @@ class AdminSalesChannelsResource extends BaseResource {
     const path = `/admin/sales-channels/${salesChannelId}/products/batch`
     return this.client.request("DELETE", path, payload, {}, customHeaders)
   }
+
+  /**
+   * Add products to a sales channel
+   * @experimental This feature is under development and may change in the future.
+   * To use this feature please enable featureflag `sales_channels` in your medusa backend project.
+   * @description Add products to a sales channel
+   * @returns a medusa sales channel
+   */
+  addProducts(
+    salesChannelId: string,
+    payload: AdminPostSalesChannelsChannelProductsBatchReq,
+    customHeaders: Record<string, any> = {}
+  ): ResponsePromise<AdminSalesChannelsRes> {
+    const path = `/admin/sales-channels/${salesChannelId}/products/batch`
+    return this.client.request("POST", path, payload, {}, customHeaders)
+  }
 }
 
 export default AdminSalesChannelsResource
diff --git a/packages/medusa-react/mocks/handlers/admin.ts b/packages/medusa-react/mocks/handlers/admin.ts
index bd6a4bb09a..bd98e0dcf5 100644
--- a/packages/medusa-react/mocks/handlers/admin.ts
+++ b/packages/medusa-react/mocks/handlers/admin.ts
@@ -1735,4 +1735,13 @@ export const adminHandlers = [
       })
     )
   }),
+
+  rest.post("/admin/sales-channels/:id/products/batch", (req, res, ctx) => {
+    return res(
+      ctx.status(200),
+      ctx.json({
+        sales_channel: fixtures.get("sales_channel"),
+      })
+    )
+  }),
 ]
diff --git a/packages/medusa-react/src/hooks/admin/sales-channels/mutations.ts b/packages/medusa-react/src/hooks/admin/sales-channels/mutations.ts
index 357e5b2cc3..ee914287b7 100644
--- a/packages/medusa-react/src/hooks/admin/sales-channels/mutations.ts
+++ b/packages/medusa-react/src/hooks/admin/sales-channels/mutations.ts
@@ -3,7 +3,8 @@ import {
   AdminSalesChannelsRes,
   AdminPostSalesChannelsSalesChannelReq,
   AdminSalesChannelsDeleteRes,
-  AdminDeleteSalesChannelsChannelProductsBatchReq
+  AdminDeleteSalesChannelsChannelProductsBatchReq,
+  AdminPostSalesChannelsChannelProductsBatchReq,
 } from "@medusajs/medusa"
 import { Response } from "@medusajs/medusa-js"
 import { useMutation, UseMutationOptions, useQueryClient } from "react-query"
@@ -117,4 +118,34 @@ export const useAdminDeleteProductsFromSalesChannel = (
       options
     )
   )
-}
\ No newline at end of file
+}
+
+/**
+ * Add products to a sales channel
+ * @experimental This feature is under development and may change in the future.
+ * To use this feature please enable featureflag `sales_channels` in your medusa backend project.
+ * @description Add products to a sales channel
+ * @param id
+ * @param options
+ */
+export const useAdminAddProductsToSalesChannel = (
+  id: string,
+  options?: UseMutationOptions<
+    Response<AdminSalesChannelsRes>,
+    Error,
+    AdminPostSalesChannelsChannelProductsBatchReq
+  >
+) => {
+  const { client } = useMedusa()
+  const queryClient = useQueryClient()
+  return useMutation(
+    (payload: AdminPostSalesChannelsChannelProductsBatchReq) => {
+      return client.admin.salesChannels.addProducts(id, payload)
+    },
+    buildOptions(
+      queryClient,
+      [adminSalesChannelsKeys.lists(), adminSalesChannelsKeys.detail(id)],
+      options
+    )
+  )
+}
diff --git a/packages/medusa-react/test/hooks/admin/sales-channels/mutations.test.ts b/packages/medusa-react/test/hooks/admin/sales-channels/mutations.test.ts
index 28a0bc58d8..c4cac5e005 100644
--- a/packages/medusa-react/test/hooks/admin/sales-channels/mutations.test.ts
+++ b/packages/medusa-react/test/hooks/admin/sales-channels/mutations.test.ts
@@ -5,6 +5,7 @@ import {
   useAdminCreateSalesChannel,
   useAdminUpdateSalesChannel,
   useAdminDeleteProductsFromSalesChannel,
+  useAdminAddProductsToSalesChannel,
 } from "../../../../src"
 import { fixtures } from "../../../../mocks/data"
 import { createWrapper } from "../../../utils"
@@ -107,3 +108,25 @@ describe("useAdminDeleteProductsFromSalesChannel hook", () => {
     }))
   })
 })
+
+describe("useAdminAddProductsToSalesChannel hook", () => {
+  test("add products to a sales channel", async () => {
+    const id = fixtures.get("sales_channel").id
+    const productId = fixtures.get("product").id
+
+    const { result, waitFor } = renderHook(
+      () => useAdminAddProductsToSalesChannel(id),
+      { wrapper: createWrapper() }
+    )
+
+    result.current.mutate({ product_ids: [
+      { id: productId }
+    ]})
+
+    await waitFor(() => result.current.isSuccess)
+
+    expect(result.current.data).toEqual(expect.objectContaining({
+      sales_channel: fixtures.get("sales_channel"),
+    }))
+  })
+})
diff --git a/packages/medusa/src/api/routes/admin/sales-channels/__tests__/add-product-batch.js b/packages/medusa/src/api/routes/admin/sales-channels/__tests__/add-product-batch.js
new file mode 100644
index 0000000000..39e2c6420b
--- /dev/null
+++ b/packages/medusa/src/api/routes/admin/sales-channels/__tests__/add-product-batch.js
@@ -0,0 +1,39 @@
+import { IdMap } from "medusa-test-utils"
+import { request } from "../../../../../helpers/test-request"
+import { SalesChannelServiceMock } from "../../../../../services/__mocks__/sales-channel"
+
+describe("POST /admin/sales-channels/:id/products/batch", () => {
+  describe("add product to a sales channel", () => {
+    let subject
+
+    beforeAll(async () => {
+      subject = await request(
+        "POST",
+        `/admin/sales-channels/${IdMap.getId("sales_channel_1")}/products/batch`,
+        {
+          adminSession: {
+            jwt: {
+              userId: IdMap.getId("admin_user"),
+            },
+          },
+          payload: {
+            product_ids: [{ id: IdMap.getId("sales_channel_1_product_1") }]
+          },
+          flags: ["sales_channels"],
+        }
+      )
+    })
+
+    afterAll(() => {
+      jest.clearAllMocks()
+    })
+
+    it("calls the retrieve method from the sales channel service", () => {
+      expect(SalesChannelServiceMock.addProducts).toHaveBeenCalledTimes(1)
+      expect(SalesChannelServiceMock.addProducts).toHaveBeenCalledWith(
+        IdMap.getId("sales_channel_1"),
+        [IdMap.getId("sales_channel_1_product_1")]
+      )
+    })
+  })
+})
diff --git a/packages/medusa/src/api/routes/admin/sales-channels/add-product-batch.ts b/packages/medusa/src/api/routes/admin/sales-channels/add-product-batch.ts
new file mode 100644
index 0000000000..98e7b6718c
--- /dev/null
+++ b/packages/medusa/src/api/routes/admin/sales-channels/add-product-batch.ts
@@ -0,0 +1,49 @@
+import { Request, Response } from "express"
+import { SalesChannelService } from "../../../../services"
+import { IsArray, ValidateNested } from "class-validator"
+import { Type } from "class-transformer"
+import { ProductBatchSalesChannel } from "../../../../types/sales-channels"
+
+/**
+ * @oas [post] /sales-channels/{id}/products/batch
+ * operationId: "PostSalesChannelsChannelProductsBatch"
+ * summary: "Assign a batch of product to a sales channel"
+ * description: "Assign a batch of product to a sales channel."
+ * x-authenticated: true
+ * parameters:
+ *   - (path) id=* {string} The id of the Sales channel.
+ *   - (body) product_ids=* {ProductBatchSalesChannel} The product ids that must be assigned to the sales channel.
+ * tags:
+ *   - Sales Channel
+ * responses:
+ *   200:
+ *     description: OK
+ *     content:
+ *       application/json:
+ *         schema:
+ *           properties:
+ *             sales_channel:
+ *               $ref: "#/components/schemas/sales_channel"
+ */
+export default async (req: Request, res: Response): Promise<void> => {
+  const { id } = req.params
+
+  const salesChannelService: SalesChannelService = req.scope.resolve(
+    "salesChannelService"
+  )
+
+  const validatedBody =
+    req.validatedBody as AdminPostSalesChannelsChannelProductsBatchReq
+  const salesChannel = await salesChannelService.addProducts(
+    id,
+    validatedBody.product_ids.map((p) => p.id)
+  )
+  res.status(200).json({ sales_channel: salesChannel })
+}
+
+export class AdminPostSalesChannelsChannelProductsBatchReq {
+  @IsArray()
+  @ValidateNested({ each: true })
+  @Type(() => ProductBatchSalesChannel)
+  product_ids: ProductBatchSalesChannel[]
+}
diff --git a/packages/medusa/src/api/routes/admin/sales-channels/index.ts b/packages/medusa/src/api/routes/admin/sales-channels/index.ts
index a346adda1a..d25bb3de04 100644
--- a/packages/medusa/src/api/routes/admin/sales-channels/index.ts
+++ b/packages/medusa/src/api/routes/admin/sales-channels/index.ts
@@ -11,6 +11,7 @@ import { AdminPostSalesChannelsSalesChannelReq } from "./update-sales-channel"
 import { AdminPostSalesChannelsReq } from "./create-sales-channel"
 import { AdminGetSalesChannelsParams } from "./list-sales-channels"
 import { AdminDeleteSalesChannelsChannelProductsBatchReq } from "./delete-products-batch"
+import { AdminPostSalesChannelsChannelProductsBatchReq } from "./add-product-batch"
 
 const route = Router()
 
@@ -32,6 +33,11 @@ export default (app) => {
     "/",
     middlewares.wrap(require("./get-sales-channel").default)
   )
+  salesChannelRouter.post(
+    "/",
+    transformBody(AdminPostSalesChannelsSalesChannelReq),
+    middlewares.wrap(require("./update-sales-channel").default)
+  )
   salesChannelRouter.delete(
     "/",
     middlewares.wrap(require("./delete-sales-channel").default)
@@ -46,6 +52,11 @@ export default (app) => {
     transformBody(AdminDeleteSalesChannelsChannelProductsBatchReq),
     middlewares.wrap(require("./delete-products-batch").default)
   )
+  salesChannelRouter.post(
+    "/products/batch",
+    transformBody(AdminPostSalesChannelsChannelProductsBatchReq),
+    middlewares.wrap(require("./add-product-batch").default)
+  )
 
   route.post(
     "/",
@@ -53,12 +64,6 @@ export default (app) => {
     middlewares.wrap(require("./create-sales-channel").default)
   )
 
-  route.post(
-    "/:id",
-    transformBody(AdminPostSalesChannelsSalesChannelReq),
-    middlewares.wrap(require("./update-sales-channel").default)
-  )
-
   return app
 }
 
@@ -68,10 +73,6 @@ export type AdminSalesChannelsRes = {
 
 export type AdminSalesChannelsDeleteRes = DeleteResponse
 
-export type AdminSalesChannelListRes = PaginatedResponse & {
-  sales_channels: SalesChannel[]
-}
-
 export type AdminSalesChannelsListRes = PaginatedResponse & {
   sales_channels: SalesChannel[]
 }
@@ -82,3 +83,4 @@ export * from "./list-sales-channels"
 export * from "./update-sales-channel"
 export * from "./delete-sales-channel"
 export * from "./delete-products-batch"
+export * from "./add-product-batch"
diff --git a/packages/medusa/src/repositories/sales-channel.ts b/packages/medusa/src/repositories/sales-channel.ts
index 6dec47a9bb..a2d97b3c2c 100644
--- a/packages/medusa/src/repositories/sales-channel.ts
+++ b/packages/medusa/src/repositories/sales-channel.ts
@@ -44,4 +44,21 @@ export class SalesChannelRepository extends Repository<SalesChannel> {
       })
       .execute()
   }
+
+  async addProducts(
+    salesChannelId: string,
+    productIds: string[]
+  ): Promise<void> {
+    await this.createQueryBuilder()
+      .insert()
+      .into("product_sales_channel")
+      .values(
+        productIds.map((id) => ({
+          sales_channel_id: salesChannelId,
+          product_id: id,
+        }))
+      )
+      .orIgnore()
+      .execute()
+  }
 }
diff --git a/packages/medusa/src/services/__mocks__/sales-channel.js b/packages/medusa/src/services/__mocks__/sales-channel.js
index 6cfd4fef17..9c3310051c 100644
--- a/packages/medusa/src/services/__mocks__/sales-channel.js
+++ b/packages/medusa/src/services/__mocks__/sales-channel.js
@@ -51,6 +51,10 @@ export const SalesChannelServiceMock = {
   removeProducts: jest.fn().mockImplementation((id, productIds) => {
     return Promise.resolve()
   }),
+
+  addProducts: jest.fn().mockImplementation((id, productIds) => {
+    return Promise.resolve()
+  }),
 }
 
 const mock = jest.fn().mockImplementation(() => {
diff --git a/packages/medusa/src/services/__tests__/sales-channel.ts b/packages/medusa/src/services/__tests__/sales-channel.ts
index bb90e96707..8832bf4ef9 100644
--- a/packages/medusa/src/services/__tests__/sales-channel.ts
+++ b/packages/medusa/src/services/__tests__/sales-channel.ts
@@ -1,10 +1,11 @@
 import { IdMap, MockManager, MockRepository } from "medusa-test-utils"
-import { FindConditions, FindOneOptions } from "typeorm"
-import { SalesChannel } from "../../models"
-import { EventBusService, StoreService } from "../index"
 import SalesChannelService from "../sales-channel"
 import { EventBusServiceMock } from "../__mocks__/event-bus"
-import { store, StoreServiceMock } from "../__mocks__/store"
+import { EventBusService, ProductService, StoreService } from "../index"
+import { FindConditions, FindOneOptions } from "typeorm"
+import { SalesChannel } from "../../models"
+import { ProductServiceMock } from "../__mocks__/product";
+import { store, StoreServiceMock } from "../__mocks__/store";
 
 describe("SalesChannelService", () => {
   const salesChannelData = {
@@ -15,7 +16,10 @@ describe("SalesChannelService", () => {
 
   const salesChannelRepositoryMock = {
     ...MockRepository({
-      findOne: jest.fn().mockImplementation((queryOrId: string | FindOneOptions<SalesChannel>): any => {
+      findOne: jest
+      .fn()
+      .mockImplementation(
+        (queryOrId: string | FindOneOptions<SalesChannel>): any => {
           return Promise.resolve({
             id:
               typeof queryOrId === "string"
@@ -40,7 +44,7 @@ describe("SalesChannelService", () => {
         ...salesChannel
       }),
       softRemove: jest.fn().mockImplementation((id: string): any => {
-        return Promise.resolve()
+          return Promise.resolve()
       }),
     }),
     getFreeTextSearchResultsAndCount: jest.fn().mockImplementation(() =>
@@ -49,9 +53,17 @@ describe("SalesChannelService", () => {
           id: IdMap.getId("sales_channel_1"),
           ...salesChannelData
         },
-      ]),
+      ])
     ),
     removeProducts: jest.fn().mockImplementation((id: string, productIds: string[]): any => {
+      Promise.resolve([
+        {
+          id: IdMap.getId("sales_channel_1"),
+          ...salesChannelData
+        },
+      ])
+    }),
+    addProducts: jest.fn().mockImplementation((id: string, productIds: string[]): any => {
       return Promise.resolve()
     }),
   }
@@ -62,6 +74,7 @@ describe("SalesChannelService", () => {
       eventBusService: EventBusServiceMock as unknown as EventBusService,
       salesChannelRepository: salesChannelRepositoryMock,
       storeService: StoreServiceMock as unknown as StoreService,
+      productService: ProductServiceMock as unknown as ProductService,
     })
 
     beforeEach(() => {
@@ -84,6 +97,7 @@ describe("SalesChannelService", () => {
         manager: MockManager,
         eventBusService: EventBusServiceMock as unknown as EventBusService,
         salesChannelRepository: salesChannelRepositoryMock,
+        productService: ProductServiceMock as unknown as ProductService,
         storeService: {
           ...StoreServiceMock,
           retrieve: jest.fn().mockImplementation(() => {
@@ -116,6 +130,7 @@ describe("SalesChannelService", () => {
       eventBusService: EventBusServiceMock as unknown as EventBusService,
       salesChannelRepository: salesChannelRepositoryMock,
       storeService: StoreServiceMock as unknown as StoreService,
+      productService: ProductServiceMock as unknown as ProductService,
     })
 
     beforeEach(() => {
@@ -146,6 +161,7 @@ describe("SalesChannelService", () => {
       eventBusService: EventBusServiceMock as unknown as EventBusService,
       salesChannelRepository: salesChannelRepositoryMock,
       storeService: StoreServiceMock as unknown as StoreService,
+      productService: ProductServiceMock as unknown as ProductService,
     })
 
     const update = {
@@ -181,6 +197,7 @@ describe("SalesChannelService", () => {
       eventBusService: EventBusServiceMock as unknown as EventBusService,
       salesChannelRepository: salesChannelRepositoryMock,
       storeService: StoreServiceMock as unknown as StoreService,
+      productService: ProductServiceMock as unknown as ProductService,
     })
 
     afterEach(() => {
@@ -244,6 +261,7 @@ describe("SalesChannelService", () => {
       manager: MockManager,
       eventBusService: EventBusServiceMock as unknown as EventBusService,
       salesChannelRepository: salesChannelRepositoryMock,
+      productService: ProductServiceMock as unknown as ProductService,
       storeService: {
         ...StoreServiceMock,
         retrieve: jest.fn().mockImplementation(() => {
@@ -299,6 +317,7 @@ describe("SalesChannelService", () => {
       manager: MockManager,
       eventBusService: EventBusServiceMock as unknown as EventBusService,
       salesChannelRepository: salesChannelRepositoryMock,
+      productService: ProductServiceMock as unknown as ProductService,
       storeService: StoreServiceMock as unknown as StoreService,
     })
 
@@ -324,4 +343,36 @@ describe("SalesChannelService", () => {
       })
     })
   })
+
+  describe("Add products", () => {
+    const salesChannelService = new SalesChannelService({
+      manager: MockManager,
+      eventBusService: EventBusServiceMock as unknown as EventBusService,
+      salesChannelRepository: salesChannelRepositoryMock,
+      storeService: StoreServiceMock as unknown as StoreService,
+      productService: ProductServiceMock as unknown as ProductService,
+    })
+
+    beforeEach(() => {
+      jest.clearAllMocks()
+    })
+
+    it('should add a list of product to a sales channel', async () => {
+      const salesChannel = await salesChannelService.addProducts(
+        IdMap.getId("sales_channel_1"),
+        [IdMap.getId("sales_channel_1_product_1")]
+      )
+
+      expect(salesChannelRepositoryMock.addProducts).toHaveBeenCalledTimes(1)
+      expect(salesChannelRepositoryMock.addProducts).toHaveBeenCalledWith(
+        IdMap.getId("sales_channel_1"),
+        [IdMap.getId("sales_channel_1_product_1")]
+      )
+      expect(salesChannel).toBeTruthy()
+      expect(salesChannel).toEqual({
+        id: IdMap.getId("sales_channel_1"),
+        ...salesChannelData,
+      })
+    })
+  })
 })
diff --git a/packages/medusa/src/services/sales-channel.ts b/packages/medusa/src/services/sales-channel.ts
index 8abd81128c..90cd5ba89a 100644
--- a/packages/medusa/src/services/sales-channel.ts
+++ b/packages/medusa/src/services/sales-channel.ts
@@ -12,12 +12,15 @@ import {
 import { buildQuery } from "../utils"
 import EventBusService from "./event-bus"
 import StoreService from "./store"
+import { formatException, PostgresError } from "../utils/exception-formatter"
+import ProductService from "./product"
 
 type InjectedDependencies = {
   salesChannelRepository: typeof SalesChannelRepository
   eventBusService: EventBusService
   manager: EntityManager
   storeService: StoreService
+  productService: ProductService
 }
 
 class SalesChannelService extends TransactionBaseService<SalesChannelService> {
@@ -33,12 +36,14 @@ class SalesChannelService extends TransactionBaseService<SalesChannelService> {
   protected readonly salesChannelRepository_: typeof SalesChannelRepository
   protected readonly eventBusService_: EventBusService
   protected readonly storeService_: StoreService
+  protected readonly productService_: ProductService
 
   constructor({
     salesChannelRepository,
     eventBusService,
     manager,
     storeService,
+    productService,
   }: InjectedDependencies) {
     // eslint-disable-next-line prefer-rest-params
     super(arguments[0])
@@ -47,6 +52,7 @@ class SalesChannelService extends TransactionBaseService<SalesChannelService> {
     this.salesChannelRepository_ = salesChannelRepository
     this.eventBusService_ = eventBusService
     this.storeService_ = storeService
+    this.productService_ = productService
   }
 
   /**
@@ -265,6 +271,48 @@ class SalesChannelService extends TransactionBaseService<SalesChannelService> {
       return await this.retrieve(salesChannelId)
     })
   }
+
+  /**
+   * Add a batch of product to a sales channel
+   * @param salesChannelId - The id of the sales channel on which to add the products
+   * @param productIds - The products ids to attach to the sales channel
+   * @return the sales channel on which the products have been added
+   */
+  async addProducts(
+    salesChannelId: string,
+    productIds: string[]
+  ): Promise<SalesChannel | never> {
+    return await this.atomicPhase_(
+      async (transactionManager) => {
+        const salesChannelRepo = transactionManager.getCustomRepository(
+          this.salesChannelRepository_
+        )
+
+        await salesChannelRepo.addProducts(salesChannelId, productIds)
+
+        return await this.retrieve(salesChannelId)
+      },
+      async (error: { code: string }) => {
+        if (error.code === PostgresError.FOREIGN_KEY_ERROR) {
+          const existingProducts = await this.productService_.list({
+            id: productIds,
+          })
+
+          const nonExistingProducts = productIds.filter(
+            (cId) => existingProducts.findIndex((el) => el.id === cId) === -1
+          )
+
+          throw new MedusaError(
+            MedusaError.Types.NOT_FOUND,
+            `The following product ids do not exist: ${JSON.stringify(
+              nonExistingProducts.join(", ")
+            )}`
+          )
+        }
+        throw formatException(error)
+      }
+    )
+  }
 }
 
 export default SalesChannelService