diff --git a/packages/medusa/src/api/admin/campaigns/[id]/route.ts b/packages/medusa/src/api/admin/campaigns/[id]/route.ts
index 465e122c8e..89a452b787 100644
--- a/packages/medusa/src/api/admin/campaigns/[id]/route.ts
+++ b/packages/medusa/src/api/admin/campaigns/[id]/route.ts
@@ -36,6 +36,16 @@ export const POST = async (
   req: AuthenticatedMedusaRequest<AdminUpdateCampaignType & AdditionalData>,
   res: MedusaResponse<HttpTypes.AdminCampaignResponse>
 ) => {
+  const existingCampaign = await refetchCampaign(req.params.id, req.scope, [
+    "id",
+  ])
+  if (!existingCampaign) {
+    throw new MedusaError(
+      MedusaError.Types.NOT_FOUND,
+      `Campaign with id "${req.params.id}" not found`
+    )
+  }
+
   const { additional_data, ...rest } = req.validatedBody
   const updateCampaigns = updateCampaignsWorkflow(req.scope)
   const campaignsData = [
diff --git a/packages/medusa/src/api/admin/collections/[id]/route.ts b/packages/medusa/src/api/admin/collections/[id]/route.ts
index 2f8fa8bf4c..20eaf01b70 100644
--- a/packages/medusa/src/api/admin/collections/[id]/route.ts
+++ b/packages/medusa/src/api/admin/collections/[id]/route.ts
@@ -10,6 +10,7 @@ import {
 import { AdminUpdateCollectionType } from "../validators"
 import { refetchCollection } from "../helpers"
 import { HttpTypes } from "@medusajs/types"
+import { MedusaError } from "@medusajs/utils"
 
 export const GET = async (
   req: AuthenticatedMedusaRequest,
@@ -28,6 +29,16 @@ export const POST = async (
   req: AuthenticatedMedusaRequest<AdminUpdateCollectionType>,
   res: MedusaResponse<HttpTypes.AdminCollectionResponse>
 ) => {
+  const existingCollection = await refetchCollection(req.params.id, req.scope, [
+    "id",
+  ])
+  if (!existingCollection) {
+    throw new MedusaError(
+      MedusaError.Types.NOT_FOUND,
+      `Collection with id "${req.params.id}" not found`
+    )
+  }
+
   await updateCollectionsWorkflow(req.scope).run({
     input: {
       selector: { id: req.params.id },
diff --git a/packages/medusa/src/api/admin/customer-groups/[id]/route.ts b/packages/medusa/src/api/admin/customer-groups/[id]/route.ts
index 645c2c4860..663371616b 100644
--- a/packages/medusa/src/api/admin/customer-groups/[id]/route.ts
+++ b/packages/medusa/src/api/admin/customer-groups/[id]/route.ts
@@ -36,6 +36,18 @@ export const POST = async (
   req: AuthenticatedMedusaRequest<AdminUpdateCustomerGroupType>,
   res: MedusaResponse<HttpTypes.AdminCustomerGroupResponse>
 ) => {
+  const existingCustomerGroup = await refetchCustomerGroup(
+    req.params.id,
+    req.scope,
+    ["id"]
+  )
+  if (!existingCustomerGroup) {
+    throw new MedusaError(
+      MedusaError.Types.NOT_FOUND,
+      `Customer group with id "${req.params.id}" not found`
+    )
+  }
+
   await updateCustomerGroupsWorkflow(req.scope).run({
     input: {
       selector: { id: req.params.id },
diff --git a/packages/medusa/src/api/admin/customers/[id]/route.ts b/packages/medusa/src/api/admin/customers/[id]/route.ts
index 061cf2efbc..dddf084a21 100644
--- a/packages/medusa/src/api/admin/customers/[id]/route.ts
+++ b/packages/medusa/src/api/admin/customers/[id]/route.ts
@@ -35,6 +35,16 @@ export const POST = async (
   req: AuthenticatedMedusaRequest<AdminUpdateCustomerType & AdditionalData>,
   res: MedusaResponse<HttpTypes.AdminCustomerResponse>
 ) => {
+  const existingCustomer = await refetchCustomer(req.params.id, req.scope, [
+    "id",
+  ])
+  if (!existingCustomer) {
+    throw new MedusaError(
+      MedusaError.Types.NOT_FOUND,
+      `Customer with id "${req.params.id}" not found`
+    )
+  }
+
   const { additional_data, ...rest } = req.validatedBody
 
   await updateCustomersWorkflow(req.scope).run({
diff --git a/packages/medusa/src/api/admin/product-tags/[id]/route.ts b/packages/medusa/src/api/admin/product-tags/[id]/route.ts
index bb9f013f1d..6cafa71b39 100644
--- a/packages/medusa/src/api/admin/product-tags/[id]/route.ts
+++ b/packages/medusa/src/api/admin/product-tags/[id]/route.ts
@@ -13,6 +13,7 @@ import {
 } from "../validators"
 import { refetchEntity } from "../../../utils/refetch-entity"
 import { HttpTypes } from "@medusajs/types"
+import { MedusaError } from "@medusajs/utils"
 
 export const GET = async (
   req: AuthenticatedMedusaRequest<AdminGetProductTagParamsType>,
@@ -32,6 +33,20 @@ export const POST = async (
   req: AuthenticatedMedusaRequest<AdminUpdateProductTagType>,
   res: MedusaResponse<HttpTypes.AdminProductTagResponse>
 ) => {
+  const existingProductTag = await refetchEntity(
+    "product_tag",
+    req.params.id,
+    req.scope,
+    ["id"]
+  )
+
+  if (!existingProductTag) {
+    throw new MedusaError(
+      MedusaError.Types.NOT_FOUND,
+      `Product tag with id "${req.params.id}" not found`
+    )
+  }
+
   const { result } = await updateProductTagsWorkflow(req.scope).run({
     input: {
       selector: { id: req.params.id },
diff --git a/packages/medusa/src/api/admin/product-types/[id]/route.ts b/packages/medusa/src/api/admin/product-types/[id]/route.ts
index 11cc36b88a..312761d41b 100644
--- a/packages/medusa/src/api/admin/product-types/[id]/route.ts
+++ b/packages/medusa/src/api/admin/product-types/[id]/route.ts
@@ -13,6 +13,7 @@ import {
   AdminUpdateProductTypeType,
 } from "../validators"
 import { HttpTypes } from "@medusajs/types"
+import { MedusaError } from "@medusajs/utils"
 
 export const GET = async (
   req: AuthenticatedMedusaRequest<AdminGetProductTypeParamsType>,
@@ -31,6 +32,19 @@ export const POST = async (
   req: AuthenticatedMedusaRequest<AdminUpdateProductTypeType>,
   res: MedusaResponse<HttpTypes.AdminProductTypeResponse>
 ) => {
+  const existingProductType = await refetchProductType(
+    req.params.id,
+    req.scope,
+    ["id"]
+  )
+
+  if (!existingProductType) {
+    throw new MedusaError(
+      MedusaError.Types.NOT_FOUND,
+      `Product type with id "${req.params.id}" not found`
+    )
+  }
+
   const { result } = await updateProductTypesWorkflow(req.scope).run({
     input: {
       selector: { id: req.params.id },
diff --git a/packages/medusa/src/api/admin/products/[id]/route.ts b/packages/medusa/src/api/admin/products/[id]/route.ts
index d69c831328..79f07bba94 100644
--- a/packages/medusa/src/api/admin/products/[id]/route.ts
+++ b/packages/medusa/src/api/admin/products/[id]/route.ts
@@ -38,6 +38,22 @@ export const POST = async (
 ) => {
   const { additional_data, ...update } = req.validatedBody
 
+  const existingProduct = await refetchEntity(
+    "product",
+    req.params.id,
+    req.scope,
+    ["id"]
+  )
+  /**
+   * Check if the product exists with the id or not before calling the workflow.
+   */
+  if (!existingProduct) {
+    throw new MedusaError(
+      MedusaError.Types.NOT_FOUND,
+      `Product with id "${req.params.id}" not found`
+    )
+  }
+
   const { result } = await updateProductsWorkflow(req.scope).run({
     input: {
       selector: { id: req.params.id },
diff --git a/packages/medusa/src/api/admin/regions/[id]/route.ts b/packages/medusa/src/api/admin/regions/[id]/route.ts
index 66d9738f32..76bb1b5e77 100644
--- a/packages/medusa/src/api/admin/regions/[id]/route.ts
+++ b/packages/medusa/src/api/admin/regions/[id]/route.ts
@@ -35,6 +35,14 @@ export const POST = async (
   req: AuthenticatedMedusaRequest<AdminUpdateRegionType>,
   res: MedusaResponse<HttpTypes.AdminRegionResponse>
 ) => {
+  const existingRegion = refetchRegion(req.params.id, req.scope, ["id"])
+  if (!existingRegion) {
+    throw new MedusaError(
+      MedusaError.Types.NOT_FOUND,
+      `Region with id "${req.params.id}" not found`
+    )
+  }
+
   const { result } = await updateRegionsWorkflow(req.scope).run({
     input: {
       selector: { id: req.params.id },
diff --git a/packages/medusa/src/api/admin/sales-channels/[id]/route.ts b/packages/medusa/src/api/admin/sales-channels/[id]/route.ts
index 65f580a49a..e4317623ba 100644
--- a/packages/medusa/src/api/admin/sales-channels/[id]/route.ts
+++ b/packages/medusa/src/api/admin/sales-channels/[id]/route.ts
@@ -38,6 +38,19 @@ export const POST = async (
   req: AuthenticatedMedusaRequest<AdminUpdateSalesChannelType>,
   res: MedusaResponse<HttpTypes.AdminSalesChannelResponse>
 ) => {
+  const existingSalesChannel = await refetchSalesChannel(
+    req.params.id,
+    req.scope,
+    ["id"]
+  )
+
+  if (!existingSalesChannel) {
+    throw new MedusaError(
+      MedusaError.Types.NOT_FOUND,
+      `Sales channel with id "${req.params.id}" not found`
+    )
+  }
+
   await updateSalesChannelsWorkflow(req.scope).run({
     input: {
       selector: { id: req.params.id },
diff --git a/packages/medusa/src/api/admin/stores/[id]/route.ts b/packages/medusa/src/api/admin/stores/[id]/route.ts
index 232abc77d3..0bf7453704 100644
--- a/packages/medusa/src/api/admin/stores/[id]/route.ts
+++ b/packages/medusa/src/api/admin/stores/[id]/route.ts
@@ -2,6 +2,7 @@ import { updateStoresWorkflow } from "@medusajs/core-flows"
 import {
   remoteQueryObjectFromString,
   ContainerRegistrationKeys,
+  MedusaError,
 } from "@medusajs/utils"
 import {
   AuthenticatedMedusaRequest,
@@ -32,6 +33,14 @@ export const POST = async (
   req: AuthenticatedMedusaRequest<AdminUpdateStoreType>,
   res: MedusaResponse<HttpTypes.AdminStoreResponse>
 ) => {
+  const existingStore = await refetchStore(req.params.id, req.scope, ["id"])
+  if (!existingStore) {
+    throw new MedusaError(
+      MedusaError.Types.NOT_FOUND,
+      `Store with id "${req.params.id}" not found`
+    )
+  }
+
   const { result } = await updateStoresWorkflow(req.scope).run({
     input: {
       selector: { id: req.params.id },
diff --git a/packages/medusa/src/api/admin/tax-rates/[id]/route.ts b/packages/medusa/src/api/admin/tax-rates/[id]/route.ts
index effbcb9a8a..f0b36a83cb 100644
--- a/packages/medusa/src/api/admin/tax-rates/[id]/route.ts
+++ b/packages/medusa/src/api/admin/tax-rates/[id]/route.ts
@@ -4,6 +4,7 @@ import {
 } from "@medusajs/core-flows"
 import {
   ContainerRegistrationKeys,
+  MedusaError,
   remoteQueryObjectFromString,
 } from "@medusajs/utils"
 import {
@@ -21,6 +22,15 @@ export const POST = async (
   req: AuthenticatedMedusaRequest<AdminUpdateTaxRateType>,
   res: MedusaResponse<HttpTypes.AdminTaxRateResponse>
 ) => {
+  const existingTaxRate = await refetchTaxRate(req.params.id, req.scope, ["id"])
+
+  if (!existingTaxRate) {
+    throw new MedusaError(
+      MedusaError.Types.NOT_FOUND,
+      `Tax rate with id "${req.params.id}" not found`
+    )
+  }
+
   await updateTaxRatesWorkflow(req.scope).run({
     input: {
       selector: { id: req.params.id },