diff --git a/src/App.tsx b/src/App.tsx
index 7d1a803..e962335 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,6 +1,7 @@
 import type { FC } from "react";
 import { CastesLinks } from "./CastesLinks";
 import { LocalLinks } from "./LocalLinks";
+import type { LinkInterface } from "./types";
 
 function App() {
   const links = [
@@ -66,12 +67,6 @@ export const LinkGroup: FC<LinkGroupProps> = ({ title, links }) => {
   );
 };
 
-interface LinkInterface {
-  name: string;
-  link: string;
-  icon?: string;
-}
-
 interface LinkProps {
   link: LinkInterface;
 }
diff --git a/src/CastesLinks.tsx b/src/CastesLinks.tsx
index 0fea6fb..fdec24a 100644
--- a/src/CastesLinks.tsx
+++ b/src/CastesLinks.tsx
@@ -1,10 +1,11 @@
 import { useEffect, useState } from "react";
 import { LinkGroup } from "./App";
+import type { ApiError, LinkInterface } from "./types";
 
 export const CastesLinks = () => {
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState("");
-  const [links, setLinks] = useState([]);
+  const [links, setLinks] = useState<LinkInterface[]>([]);
   const castesLinks = [
     { name: "GPAO", link: "http://gpao.lan" },
     { name: "Penpot", link: "https://penpot.castes-industrie.fr" },
@@ -23,9 +24,13 @@ export const CastesLinks = () => {
         setLinks(castesLinks);
       }
       console.log("link", res);
-    } catch (error: Error | NetworkError | unknown) {
+    } catch (error: Error | ApiError | unknown) {
       console.log(error);
-      setError(error.response?.data.message || error.message);
+      if (error instanceof Error) {
+        console.error(error.message);
+      } else {
+        setError((error as ApiError).error);
+      }
     } finally {
       setLoading(false);
     }
diff --git a/src/types.ts b/src/types.ts
new file mode 100644
index 0000000..7088a21
--- /dev/null
+++ b/src/types.ts
@@ -0,0 +1,16 @@
+export interface ApiError {
+  error: string;
+  status?: number;
+}
+
+export interface Link {
+  name: string;
+  url: string;
+  icon?: string | null;
+}
+
+export interface LinkInterface {
+  name: string;
+  link: string;
+  icon?: string;
+}