diff --git a/frontend/package.json b/frontend/package.json
index 263c0ad7..41a80e41 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -35,7 +35,8 @@
     "vite-bundle-visualizer": "^1.2.1",
     "vite-plugin-image-optimizer": "^1.1.8",
     "vite-plugin-svgr": "^4.2.0",
-    "vite-tsconfig-paths": "^5.0.1"
+    "vite-tsconfig-paths": "^5.0.1",
+    "zod": "^3.23.8"
   },
   "proxy": "http://127.0.0.1:5000",
   "scripts": {
@@ -60,10 +61,10 @@
   },
   "devDependencies": {
     "@biomejs/biome": "1.8.3",
+    "@vitest/coverage-v8": "^2.1.5",
     "babel-plugin-named-exports-order": "^0.0.2",
     "prop-types": "^15.8.1",
-    "vitest": "^2.1.5",
-    "@vitest/coverage-v8": "^2.1.5"
+    "vitest": "^2.1.5"
   },
   "engines": {
     "node": ">=20",
diff --git a/frontend/src/apiDefinitions.ts b/frontend/src/apiDefinitions.ts
index b6d45ae0..a0949fa2 100644
--- a/frontend/src/apiDefinitions.ts
+++ b/frontend/src/apiDefinitions.ts
@@ -1,20 +1,25 @@
 // Copyright Contributors to the Packit project.
 // SPDX-License-Identifier: MIT
 
+import { z } from "zod";
+
 /**
  * This is a list of items from the Packit API
  */
 
 // /api/projects/$forge/$namespace/$repo
-export interface Project {
-  namespace: string;
-  repo_name: string;
-  project_url: string;
-  prs_handled: number;
-  branches_handled: number;
-  releases_handled: number;
-  issues_handled: number;
-}
+
+export const Project = z.object({
+  namespace: z.string(),
+  repo_name: z.string(),
+  project_url: z.string(),
+  prs_handled: z.number(),
+  branches_handled: z.number(),
+  releases_handled: z.number(),
+  issues_handled: z.number(),
+});
+
+export type Project = z.infer<typeof Project>;
 
 // /api/projects/$forge/$namespace/$repo/issues
 export type ProjectIssue = number;
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c6b032af..13b1ab6c 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -104,6 +104,9 @@ importers:
       vite-tsconfig-paths:
         specifier: ^5.0.1
         version: 5.0.1(typescript@5.6.2)(vite@5.4.8(@types/node@22.7.4))
+      zod:
+        specifier: ^3.23.8
+        version: 3.23.8
     devDependencies:
       '@biomejs/biome':
         specifier: 1.8.3