diff --git a/src/app.ts b/src/app.ts
index 4f21747..dc42931 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -15,6 +15,10 @@ class ServerApp {
         console.log('Starting the server');
         this.server = express();
 
+        if (!process.env.API_KEY || !process.env.API_SECRET || !process.env.BUCKET_UUID) {
+            throw new Error('API_KEY, API_SECRET, or BUCKET_UUID is not set.');
+        }
+
         this._apiInst = new ApillonApi(process.env.API_KEY, process.env.API_SECRET);
 
         this.middlewares();
diff --git a/src/config/index.ts b/src/config/index.ts
index dda32b8..77c51de 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -1,3 +1,3 @@
 export * from './rateLimiter';
 
-export const port = process.env.PORT || 3000;
+export const port = process.env.PORT || 6666;
diff --git a/src/helpers/index.ts b/src/helpers/index.ts
index e69de29..717b657 100644
--- a/src/helpers/index.ts
+++ b/src/helpers/index.ts
@@ -0,0 +1,5 @@
+import { createHash } from 'crypto';
+
+export const sha256Hash = (input: string) => {
+  return createHash('sha256').update(input).digest('hex');
+}
diff --git a/src/routes.ts b/src/routes.ts
index 000c15a..644a543 100644
--- a/src/routes.ts
+++ b/src/routes.ts
@@ -1,5 +1,7 @@
 import { Router } from 'express';
 import { PlayableBuild } from './types';
+import { sha256Hash } from './helpers';
+
 const routes = Router();
 
 routes.get('/', (req, res) => {
@@ -21,7 +23,7 @@ routes.get('/available-builds', async (req, res) => {
         folders.map((i) => {
             return {
                 name: i.name,
-                id: i.id,
+                id: sha256Hash(i.CID),
             };
         }),
     );