diff --git a/integration-tests/http/__tests__/product/admin/product.spec.ts b/integration-tests/http/__tests__/product/admin/product.spec.ts
index 1894de34a8..d557030239 100644
--- a/integration-tests/http/__tests__/product/admin/product.spec.ts
+++ b/integration-tests/http/__tests__/product/admin/product.spec.ts
@@ -1092,6 +1092,58 @@ medusaIntegrationTestRunner({
             }),
           ])
         })
+
+        it("should get product variants filtered by manage_inventory", async () => {
+          const payload = {
+            title: "Test product - 1",
+            handle: "test-1",
+            variants: [
+              {
+                title: "Custom inventory 1",
+                prices: [{ currency_code: "usd", amount: 100 }],
+                manage_inventory: true,
+                inventory_items: [],
+              },
+              {
+                title: "Custom inventory 2",
+                prices: [{ currency_code: "usd", amount: 100 }],
+                manage_inventory: false,
+              },
+            ],
+          }
+
+          const product = (
+            await api.post(`/admin/products`, payload, adminHeaders)
+          ).data.product
+
+          let variants = (
+            await api.get(
+              `/admin/products/${product.id}/variants?manage_inventory=true`,
+              adminHeaders
+            )
+          ).data.variants
+
+          expect(variants).toEqual([
+            expect.objectContaining({
+              title: "Custom inventory 1",
+              product_id: product.id,
+            }),
+          ])
+
+          variants = (
+            await api.get(
+              `/admin/products/${product.id}/variants?manage_inventory=false`,
+              adminHeaders
+            )
+          ).data.variants
+
+          expect(variants).toEqual([
+            expect.objectContaining({
+              title: "Custom inventory 2",
+              product_id: product.id,
+            }),
+          ])
+        })
       })
 
       describe("POST /admin/products", () => {
diff --git a/packages/medusa/src/api/admin/fulfillment-providers/validators.ts b/packages/medusa/src/api/admin/fulfillment-providers/validators.ts
index 10376df43d..78818a3d1b 100644
--- a/packages/medusa/src/api/admin/fulfillment-providers/validators.ts
+++ b/packages/medusa/src/api/admin/fulfillment-providers/validators.ts
@@ -1,5 +1,5 @@
 import { z } from "zod"
-import { OptionalBooleanValidator } from "../../utils/common-validators"
+import { booleanString } from "../../utils/common-validators"
 import { createFindParams } from "../../utils/validators"
 
 export type AdminFulfillmentProvidersParamsType = z.infer<
@@ -13,7 +13,7 @@ export const AdminFulfillmentProvidersParams = createFindParams({
     z.object({
       id: z.union([z.string(), z.array(z.string())]).optional(),
       stock_location_id: z.union([z.string(), z.array(z.string())]).optional(),
-      is_enabled: OptionalBooleanValidator,
+      is_enabled: booleanString().optional(),
       q: z.string().optional(),
     })
   )
diff --git a/packages/medusa/src/api/admin/inventory-items/validators.ts b/packages/medusa/src/api/admin/inventory-items/validators.ts
index 64d070547d..e54c688440 100644
--- a/packages/medusa/src/api/admin/inventory-items/validators.ts
+++ b/packages/medusa/src/api/admin/inventory-items/validators.ts
@@ -1,5 +1,5 @@
 import { z } from "zod"
-import { OptionalBooleanValidator } from "../../utils/common-validators"
+import { booleanString } from "../../utils/common-validators"
 import {
   createFindParams,
   createOperatorMap,
@@ -27,7 +27,7 @@ export const AdminGetInventoryItemsParams = createFindParams({
       mid_code: z.union([z.string(), z.array(z.string())]).optional(),
       hs_code: z.union([z.string(), z.array(z.string())]).optional(),
       material: z.union([z.string(), z.array(z.string())]).optional(),
-      requires_shipping: OptionalBooleanValidator,
+      requires_shipping: booleanString().optional(),
       weight: createOperatorMap(z.number(), parseFloat).optional(),
       length: createOperatorMap(z.number(), parseFloat).optional(),
       height: createOperatorMap(z.number(), parseFloat).optional(),
diff --git a/packages/medusa/src/api/admin/payments/validators.ts b/packages/medusa/src/api/admin/payments/validators.ts
index fead7ea939..affa0a34ed 100644
--- a/packages/medusa/src/api/admin/payments/validators.ts
+++ b/packages/medusa/src/api/admin/payments/validators.ts
@@ -1,4 +1,5 @@
 import { z } from "zod"
+import { booleanString } from "../../utils/common-validators"
 import {
   createFindParams,
   createOperatorMap,
@@ -34,7 +35,7 @@ export const AdminGetPaymentProvidersParams = createFindParams({
 }).merge(
   z.object({
     id: z.union([z.string(), z.array(z.string())]).optional(),
-    is_enabled: z.boolean().optional(),
+    is_enabled: booleanString().optional(),
     $and: z.lazy(() => AdminGetPaymentProvidersParams.array()).optional(),
     $or: z.lazy(() => AdminGetPaymentProvidersParams.array()).optional(),
   })
diff --git a/packages/medusa/src/api/admin/product-categories/validators.ts b/packages/medusa/src/api/admin/product-categories/validators.ts
index 8a131905d4..d274197962 100644
--- a/packages/medusa/src/api/admin/product-categories/validators.ts
+++ b/packages/medusa/src/api/admin/product-categories/validators.ts
@@ -1,5 +1,5 @@
 import { z } from "zod"
-import { OptionalBooleanValidator } from "../../utils/common-validators"
+import { booleanString } from "../../utils/common-validators"
 import {
   createFindParams,
   createOperatorMap,
@@ -11,8 +11,8 @@ export type AdminProductCategoryParamsType = z.infer<
 >
 export const AdminProductCategoryParams = createSelectParams().merge(
   z.object({
-    include_ancestors_tree: OptionalBooleanValidator,
-    include_descendants_tree: OptionalBooleanValidator,
+    include_ancestors_tree: booleanString().optional(),
+    include_descendants_tree: booleanString().optional(),
   })
 )
 
@@ -29,10 +29,10 @@ export const AdminProductCategoriesParams = createFindParams({
     description: z.union([z.string(), z.array(z.string())]).optional(),
     handle: z.union([z.string(), z.array(z.string())]).optional(),
     parent_category_id: z.union([z.string(), z.array(z.string())]).optional(),
-    include_ancestors_tree: OptionalBooleanValidator,
-    include_descendants_tree: OptionalBooleanValidator,
-    is_internal: OptionalBooleanValidator,
-    is_active: OptionalBooleanValidator,
+    include_ancestors_tree: booleanString().optional(),
+    include_descendants_tree: booleanString().optional(),
+    is_internal: booleanString().optional(),
+    is_active: booleanString().optional(),
     created_at: createOperatorMap().optional(),
     updated_at: createOperatorMap().optional(),
     deleted_at: createOperatorMap().optional(),
diff --git a/packages/medusa/src/api/admin/product-variants/validators.ts b/packages/medusa/src/api/admin/product-variants/validators.ts
index 8e4633eca0..a0e63f62a3 100644
--- a/packages/medusa/src/api/admin/product-variants/validators.ts
+++ b/packages/medusa/src/api/admin/product-variants/validators.ts
@@ -1,4 +1,5 @@
 import { z } from "zod"
+import { booleanString } from "../../utils/common-validators"
 import { createFindParams, createOperatorMap } from "../../utils/validators"
 
 export type AdminGetProductVariantsParamsType = z.infer<
@@ -11,8 +12,8 @@ export const AdminGetProductVariantsParams = createFindParams({
   z.object({
     q: z.string().optional(),
     id: z.union([z.string(), z.array(z.string())]).optional(),
-    manage_inventory: z.boolean().optional(),
-    allow_backorder: z.boolean().optional(),
+    manage_inventory: booleanString().optional(),
+    allow_backorder: booleanString().optional(),
     created_at: createOperatorMap().optional(),
     updated_at: createOperatorMap().optional(),
     deleted_at: createOperatorMap().optional(),
diff --git a/packages/medusa/src/api/admin/products/validators.ts b/packages/medusa/src/api/admin/products/validators.ts
index ccbbf9973f..df1fa8912b 100644
--- a/packages/medusa/src/api/admin/products/validators.ts
+++ b/packages/medusa/src/api/admin/products/validators.ts
@@ -1,10 +1,11 @@
 import { BatchMethodRequest } from "@medusajs/types"
 import { ProductStatus } from "@medusajs/utils"
+import { z } from "zod"
 import {
+  booleanString,
   GetProductsParams,
   transformProductParams,
 } from "../../utils/common-validators"
-import { z } from "zod"
 import {
   createFindParams,
   createOperatorMap,
@@ -28,8 +29,8 @@ export const AdminGetProductVariantsParams = createFindParams({
   z.object({
     q: z.string().optional(),
     id: z.union([z.string(), z.array(z.string())]).optional(),
-    manage_inventory: z.boolean().optional(),
-    allow_backorder: z.boolean().optional(),
+    manage_inventory: booleanString().optional(),
+    allow_backorder: booleanString().optional(),
     created_at: createOperatorMap().optional(),
     updated_at: createOperatorMap().optional(),
     deleted_at: createOperatorMap().optional(),
@@ -140,8 +141,8 @@ export const CreateProductVariant = z
     barcode: z.string().nullish(),
     hs_code: z.string().nullish(),
     mid_code: z.string().nullish(),
-    allow_backorder: z.boolean().optional().default(false),
-    manage_inventory: z.boolean().optional().default(true),
+    allow_backorder: booleanString().optional().default(false),
+    manage_inventory: booleanString().optional().default(true),
     variant_rank: z.number().optional(),
     weight: z.number().nullish(),
     length: z.number().nullish(),
@@ -177,8 +178,8 @@ export const UpdateProductVariant = z
     barcode: z.string().nullish(),
     hs_code: z.string().nullish(),
     mid_code: z.string().nullish(),
-    allow_backorder: z.boolean().optional(),
-    manage_inventory: z.boolean().optional(),
+    allow_backorder: booleanString().optional(),
+    manage_inventory: booleanString().optional(),
     variant_rank: z.number().optional(),
     weight: z.number().nullish(),
     length: z.number().nullish(),
@@ -211,8 +212,8 @@ export const CreateProduct = z
     title: z.string(),
     subtitle: z.string().nullish(),
     description: z.string().nullish(),
-    is_giftcard: z.boolean().optional().default(false),
-    discountable: z.boolean().optional().default(true),
+    is_giftcard: booleanString().optional().default(false),
+    discountable: booleanString().optional().default(true),
     images: z.array(z.object({ url: z.string() })).optional(),
     thumbnail: z.string().nullish(),
     handle: z.string().optional(),
@@ -242,8 +243,8 @@ export type AdminUpdateProductType = z.infer<typeof UpdateProduct>
 export const UpdateProduct = z
   .object({
     title: z.string().optional(),
-    discountable: z.boolean().optional(),
-    is_giftcard: z.boolean().optional(),
+    discountable: booleanString().optional(),
+    is_giftcard: booleanString().optional(),
     options: z.array(UpdateProductOption).optional(),
     variants: z.array(UpdateProductVariant).optional(),
     status: statusEnum.optional(),
diff --git a/packages/medusa/src/api/admin/sales-channels/validators.ts b/packages/medusa/src/api/admin/sales-channels/validators.ts
index 4613b83263..021b22012f 100644
--- a/packages/medusa/src/api/admin/sales-channels/validators.ts
+++ b/packages/medusa/src/api/admin/sales-channels/validators.ts
@@ -1,5 +1,5 @@
 import { z } from "zod"
-import { OptionalBooleanValidator } from "../../utils/common-validators"
+import { booleanString } from "../../utils/common-validators"
 import {
   createFindParams,
   createOperatorMap,
@@ -23,7 +23,7 @@ export const AdminGetSalesChannelsParams = createFindParams({
     id: z.union([z.string(), z.array(z.string())]).optional(),
     name: z.union([z.string(), z.array(z.string())]).optional(),
     description: z.string().optional(),
-    is_disabled: OptionalBooleanValidator,
+    is_disabled: booleanString().optional(),
     created_at: createOperatorMap().optional(),
     updated_at: createOperatorMap().optional(),
     deleted_at: createOperatorMap().optional(),
diff --git a/packages/medusa/src/api/store/payment-providers/validators.ts b/packages/medusa/src/api/store/payment-providers/validators.ts
index 72b9e395ef..ec17b004d1 100644
--- a/packages/medusa/src/api/store/payment-providers/validators.ts
+++ b/packages/medusa/src/api/store/payment-providers/validators.ts
@@ -1,4 +1,5 @@
 import { z } from "zod"
+import { booleanString } from "../../utils/common-validators"
 import { createFindParams } from "../../utils/validators"
 
 export type StoreGetPaymentProvidersParamsType = z.infer<
@@ -11,7 +12,7 @@ export const StoreGetPaymentProvidersParams = createFindParams({
   z.object({
     region_id: z.string(),
     id: z.union([z.string(), z.array(z.string())]).optional(),
-    is_enabled: z.boolean().optional(),
+    is_enabled: booleanString().optional(),
     $and: z.lazy(() => StoreGetPaymentProvidersParams.array()).optional(),
     $or: z.lazy(() => StoreGetPaymentProvidersParams.array()).optional(),
   })
diff --git a/packages/medusa/src/api/store/product-categories/validators.ts b/packages/medusa/src/api/store/product-categories/validators.ts
index 5df8ed059c..a797c9fe67 100644
--- a/packages/medusa/src/api/store/product-categories/validators.ts
+++ b/packages/medusa/src/api/store/product-categories/validators.ts
@@ -1,5 +1,5 @@
 import { z } from "zod"
-import { OptionalBooleanValidator } from "../../utils/common-validators"
+import { booleanString } from "../../utils/common-validators"
 import {
   createFindParams,
   createOperatorMap,
@@ -11,8 +11,8 @@ export type StoreProductCategoryParamsType = z.infer<
 >
 export const StoreProductCategoryParams = createSelectParams().merge(
   z.object({
-    include_ancestors_tree: OptionalBooleanValidator,
-    include_descendants_tree: OptionalBooleanValidator,
+    include_ancestors_tree: booleanString().optional(),
+    include_descendants_tree: booleanString().optional(),
   })
 )
 
@@ -29,8 +29,8 @@ export const StoreProductCategoriesParams = createFindParams({
     description: z.union([z.string(), z.array(z.string())]).optional(),
     handle: z.union([z.string(), z.array(z.string())]).optional(),
     parent_category_id: z.union([z.string(), z.array(z.string())]).optional(),
-    include_ancestors_tree: OptionalBooleanValidator,
-    include_descendants_tree: OptionalBooleanValidator,
+    include_ancestors_tree: booleanString().optional(),
+    include_descendants_tree: booleanString().optional(),
     created_at: createOperatorMap().optional(),
     updated_at: createOperatorMap().optional(),
     deleted_at: createOperatorMap().optional(),
diff --git a/packages/medusa/src/api/utils/common-validators/common.ts b/packages/medusa/src/api/utils/common-validators/common.ts
index 94b9810ad5..026f288fe3 100644
--- a/packages/medusa/src/api/utils/common-validators/common.ts
+++ b/packages/medusa/src/api/utils/common-validators/common.ts
@@ -32,7 +32,24 @@ const optionalBooleanMapper = new Map([
   ["false", false],
 ])
 
+/**
+ * @deprecated Use `booleanString` instead
+ * It support the chainable API of zod. Please note it does not come with `.optional()` by default
+ */
 export const OptionalBooleanValidator = z.preprocess(
   (val: any) => optionalBooleanMapper.get(val?.toLowerCase()),
   z.boolean().optional()
 )
+
+/**
+ * Validates that a value is a boolean when it is passed as a string.
+ */
+export const booleanString = () =>
+  z
+    .union([z.boolean(), z.string()])
+    .refine((value) => {
+      return ["true", "false"].includes(value.toString().toLowerCase())
+    })
+    .transform((value) => {
+      return value.toString().toLowerCase() === "true"
+    })
diff --git a/packages/medusa/src/api/utils/common-validators/products/index.ts b/packages/medusa/src/api/utils/common-validators/products/index.ts
index af14d126f9..a7c7294139 100644
--- a/packages/medusa/src/api/utils/common-validators/products/index.ts
+++ b/packages/medusa/src/api/utils/common-validators/products/index.ts
@@ -1,8 +1,8 @@
+import { FilterableProductProps } from "@medusajs/types"
 import { ProductStatus } from "@medusajs/utils"
 import { z } from "zod"
 import { createOperatorMap } from "../../validators"
-import { OptionalBooleanValidator } from "../common"
-import { FilterableProductProps } from "@medusajs/types"
+import { booleanString } from "../common"
 
 export const ProductStatusEnum = z.nativeEnum(ProductStatus)
 
@@ -11,7 +11,7 @@ export const GetProductsParams = z.object({
   id: z.union([z.string(), z.array(z.string())]).optional(),
   title: z.string().optional(),
   handle: z.string().optional(),
-  is_giftcard: OptionalBooleanValidator,
+  is_giftcard: booleanString().optional(),
   category_id: z.union([z.string(), z.array(z.string())]).optional(),
   sales_channel_id: z.union([z.string(), z.array(z.string())]).optional(),
   collection_id: z.union([z.string(), z.array(z.string())]).optional(),