diff --git a/frontend/src/lib/api/dashboard/a76/items.ts b/frontend/src/lib/api/dashboard/a76/items.ts
index 5c04f975..353ddcfa 100644
--- a/frontend/src/lib/api/dashboard/a76/items.ts
+++ b/frontend/src/lib/api/dashboard/a76/items.ts
@@ -244,7 +244,7 @@ export const itemsApi = {
 		const params = new URLSearchParams({
 			company_id: companyId.toString()
 		});
-		return api.get<ItemListResponse>(`/v1/a76/items/invoice/${invoiceId}/items?${params.toString()}`);
+		return api.get<ItemListResponse>(`/v1/a76/items/invoice/${invoiceId}/items/?${params.toString()}`);
 	},
 
 	/**
@@ -264,7 +264,7 @@ export const itemsApi = {
 		const params = new URLSearchParams({
 			company_id: companyId.toString()
 		});
-		return api.post<Item>(`/v1/a76/items?${params.toString()}`, data);
+		return api.post<Item>(`/v1/a76/items/?${params.toString()}`, data);
 	},
 
 	/**
@@ -274,7 +274,7 @@ export const itemsApi = {
 		const params = new URLSearchParams({
 			company_id: companyId.toString()
 		});
-		return api.put<Item>(`/v1/a76/items/${itemId}?${params.toString()}`, data);
+		return api.put<Item>(`/v1/a76/items/${itemId}/?${params.toString()}`, data);
 	},
 
 	/**
@@ -284,6 +284,6 @@ export const itemsApi = {
 		const params = new URLSearchParams({
 			company_id: companyId.toString()
 		});
-		return api.delete(`/v1/a76/items/${itemId}?${params.toString()}`);
+		return api.delete(`/v1/a76/items/${itemId}/?${params.toString()}`);
 	}
 };