diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/data-type/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/data-type/item.handlers.ts
index 92b9f93a08..07947aa6ac 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/data-type/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/data-type/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const ids = req.url.searchParams.getAll('id');
 		if (!ids) return;
 		const items = umbDataTypeMockDb.item.getItems(ids);
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/dictionary/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/dictionary/item.handlers.ts
index b996fc732b..1e35a11ec9 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/dictionary/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/dictionary/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const ids = req.url.searchParams.getAll('id');
 		if (!ids) return;
 		const items = umbDictionaryMockDb.item.getItems(ids);
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/document-type/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/document-type/item.handlers.ts
index 81f9aa24f3..ce112f2ac2 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/document-type/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/document-type/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const ids = req.url.searchParams.getAll('id');
 		if (!ids) return;
 		const items = umbDocumentTypeMockDb.item.getItems(ids);
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/document/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/document/item.handlers.ts
index 44179c36c6..51c4c66db1 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/document/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/document/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const ids = req.url.searchParams.getAll('id');
 		if (!ids) return;
 		const items = umbDocumentMockDb.item.getItems(ids);
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/language/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/language/item.handlers.ts
index b196c2b8e6..833d499e1c 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/language/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/language/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const isoCodes = req.url.searchParams.getAll('id');
 		if (!isoCodes) return;
 		const items = umbLanguageMockDb.item.getItems(isoCodes);
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/media-type/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/media-type/item.handlers.ts
index 8c4dc3eed6..cc1d570c26 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/media-type/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/media-type/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const ids = req.url.searchParams.getAll('id');
 		if (!ids) return;
 		const items = umbMediaTypeMockDb.item.getItems(ids);
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/media/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/media/item.handlers.ts
index 8050fbeeb3..f6c17abf11 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/media/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/media/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const ids = req.url.searchParams.getAll('id');
 		if (!ids) return;
 		const items = umbMediaMockDb.item.getItems(ids);
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/partial-view/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/partial-view/item.handlers.ts
index 9869404c04..1cc387e182 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/partial-view/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/partial-view/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const paths = req.url.searchParams.getAll('path');
 		if (!paths) return res(ctx.status(400, 'no body found'));
 		const decodedPaths = paths.map((path) => decodeURI(path));
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/script/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/script/item.handlers.ts
index 34e725d86e..7bd03f8a23 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/script/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/script/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const paths = req.url.searchParams.getAll('path');
 		if (!paths) return res(ctx.status(400, 'no body found'));
 		const decodedPaths = paths.map((path) => decodeURI(path));
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/static-file/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/static-file/item.handlers.ts
index 93419e7231..08f87bab50 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/static-file/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/static-file/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const paths = req.url.searchParams.getAll('paths');
 		if (!paths) return res(ctx.status(400, 'no body found'));
 		const items = umbStaticFileMockDb.item.getItems(paths);
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/stylesheet/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/stylesheet/item.handlers.ts
index 5406b602bc..85ac40e53a 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/stylesheet/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/stylesheet/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const paths = req.url.searchParams.getAll('path');
 		if (!paths) return res(ctx.status(400, 'no body found'));
 		const decodedPaths = paths.map((path) => decodeURI(path));
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/template/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/template/item.handlers.ts
index 239d31361e..4bbf173086 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/template/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/template/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const ids = req.url.searchParams.getAll('id');
 		if (!ids) return;
 		const items = umbTemplateMockDb.item.getItems(ids);
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/user-group/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/user-group/item.handlers.ts
index 79bb51db21..a1d8443e0b 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/user-group/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/user-group/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const ids = req.url.searchParams.getAll('id');
 		if (!ids) return;
 		const items = umbUserGroupMockDb.item.getItems(ids);
diff --git a/src/Umbraco.Web.UI.Client/src/mocks/handlers/user/item.handlers.ts b/src/Umbraco.Web.UI.Client/src/mocks/handlers/user/item.handlers.ts
index 44179c36c6..51c4c66db1 100644
--- a/src/Umbraco.Web.UI.Client/src/mocks/handlers/user/item.handlers.ts
+++ b/src/Umbraco.Web.UI.Client/src/mocks/handlers/user/item.handlers.ts
@@ -4,7 +4,7 @@ import { UMB_SLUG } from './slug.js';
 import { umbracoPath } from '@umbraco-cms/backoffice/utils';
 
 export const itemHandlers = [
-	rest.get(umbracoPath(`${UMB_SLUG}/item`), (req, res, ctx) => {
+	rest.get(umbracoPath(`/item${UMB_SLUG}`), (req, res, ctx) => {
 		const ids = req.url.searchParams.getAll('id');
 		if (!ids) return;
 		const items = umbDocumentMockDb.item.getItems(ids);