diff --git a/src/constants.ts b/src/constants.ts
index e36773e..35f79df 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -6,3 +6,5 @@ export enum TIME_FROM_AGO {
   ONE_WEEK = 'ONE_WEEK',
   ONE_YEAR = 'ONE_YEAR',
 }
+
+export const allowedOrigins = ['https://*.jup.ag', 'https://*.meteora.ag', '*wowcats.vercel.app'];
diff --git a/src/index.ts b/src/index.ts
index 9c23130..f1fbdb0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -2,7 +2,7 @@ import { Hono } from 'hono';
 import { BlankSchema } from 'hono/types';
 import { cors } from 'hono/cors';
 import { callAPI, computeTimeAgo } from './utils';
-import { TIME_FROM_AGO } from './constants';
+import { allowedOrigins, TIME_FROM_AGO } from './constants';
 
 const app = new Hono<
   {
@@ -18,9 +18,10 @@ app.all(
   '*',
   cors({
     allowHeaders: ['*'],
-    origin: '*',
+    origin: allowedOrigins,
+    credentials: true,
     maxAge: 7200,
-    allowMethods: ['GET', 'POST'],
+    allowMethods: ['GET', 'POST', 'OPTIONS'],
   }),
 );