diff --git a/frontend/src/routes/(app)/evidences/[id=uuid]/attachment/+server.ts b/frontend/src/routes/(app)/evidences/[id=uuid]/attachment/+server.ts
index ee1065334..ed87e123c 100644
--- a/frontend/src/routes/(app)/evidences/[id=uuid]/attachment/+server.ts
+++ b/frontend/src/routes/(app)/evidences/[id=uuid]/attachment/+server.ts
@@ -4,7 +4,7 @@ import { error } from '@sveltejs/kit';
 import type { RequestHandler } from './$types';
 
 export const GET: RequestHandler = async ({ fetch, setHeaders, params }) => {
-	const endpoint = `${BASE_API_URL}/evidences/${params.id}/attachment`;
+	const endpoint = `${BASE_API_URL}/evidences/${params.id}/attachment/`;
 
 	try {
 		const attachmentResponse = await fetch(endpoint);
diff --git a/frontend/src/routes/(app)/frameworks/[id=uuid]/+page.server.ts b/frontend/src/routes/(app)/frameworks/[id=uuid]/+page.server.ts
index 0977f6547..e2c513950 100644
--- a/frontend/src/routes/(app)/frameworks/[id=uuid]/+page.server.ts
+++ b/frontend/src/routes/(app)/frameworks/[id=uuid]/+page.server.ts
@@ -4,7 +4,7 @@ import { languageTag } from '$paraglide/runtime';
 
 export const load = (async ({ fetch, params }) => {
 	const URLModel = 'frameworks';
-	const endpoint = `${BASE_API_URL}/${URLModel}/${params.id}/object`;
+	const endpoint = `${BASE_API_URL}/${URLModel}/${params.id}/object/`;
 
 	const res = await fetch(endpoint, {
 		headers: {
@@ -12,7 +12,7 @@ export const load = (async ({ fetch, params }) => {
 		}
 	});
 	const framework = await res.json();
-	const tree = await fetch(`${BASE_API_URL}/${URLModel}/${params.id}/tree`, {
+	const tree = await fetch(`${BASE_API_URL}/${URLModel}/${params.id}/tree/`, {
 		headers: {
 			'Accept-Language': languageTag()
 		}
diff --git a/frontend/src/routes/(app)/libraries/[id=urn]/+server.ts b/frontend/src/routes/(app)/libraries/[id=urn]/+server.ts
index 91f142aed..6cb5457ca 100644
--- a/frontend/src/routes/(app)/libraries/[id=urn]/+server.ts
+++ b/frontend/src/routes/(app)/libraries/[id=urn]/+server.ts
@@ -8,7 +8,7 @@ export const GET: RequestHandler = async ({ fetch, url, params }) => {
 	const isLoaded = url.searchParams.has('loaded');
 	const URLModel = isLoaded ? 'loaded-libraries' : 'stored-libraries';
 	const endpoint = `${BASE_API_URL}/${URLModel}/${params.id}/`;
-	const contentEndpoint = `${BASE_API_URL}/${URLModel}/${params.id}/content`;
+	const contentEndpoint = `${BASE_API_URL}/${URLModel}/${params.id}/content/`;
 
 	const [res, contentRes] = await Promise.all([
 		fetch(endpoint, {
diff --git a/frontend/src/routes/(app)/libraries/[id=urn]/tree/+server.ts b/frontend/src/routes/(app)/libraries/[id=urn]/tree/+server.ts
index 830642aba..f8d6777c1 100644
--- a/frontend/src/routes/(app)/libraries/[id=urn]/tree/+server.ts
+++ b/frontend/src/routes/(app)/libraries/[id=urn]/tree/+server.ts
@@ -6,7 +6,7 @@ import { languageTag } from '$paraglide/runtime';
 
 export const GET: RequestHandler = async ({ fetch, params, url }) => {
 	const URLModel = url.searchParams.has('loaded') ? 'loaded-libraries' : 'stored-libraries';
-	const endpoint = `${BASE_API_URL}/${URLModel}/${params.id}/tree`;
+	const endpoint = `${BASE_API_URL}/${URLModel}/${params.id}/tree/`;
 	const res = await fetch(endpoint, {
 		headers: {
 			'Accept-Language': languageTag()