diff --git a/README.md b/README.md
index fb3314a..f0f8c01 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,7 @@ npm start    # Production mode
 | `authToken` | `null` | API authentication token |
 | `browserLimit` | `20` | Max concurrent browsers |
 | `timeOut` | `60000` | Global timeout (ms) |
+| `CACHE_ENABLED` | `true` | Enable IUAM response cache |
 
 ## 📡 API Endpoints
 
diff --git a/index.js b/index.js
index e00fbe3..273b4ce 100644
--- a/index.js
+++ b/index.js
@@ -13,6 +13,9 @@ global.timeOut = Number(process.env.timeOut) || 60000
 const CACHE_DIR = path.join(__dirname, "cache")
 const CACHE_FILE = path.join(CACHE_DIR, "cache.json")
 const CACHE_TTL = 5 * 60 * 1000 
+const CACHE_ENABLED = process.env.CACHE_ENABLED
+  ? !["0", "false", "no"].includes(process.env.CACHE_ENABLED.toLowerCase())
+  : true
 
 function loadCache() {
   if (!fs.existsSync(CACHE_FILE)) return {}
@@ -109,7 +112,7 @@ app.post('/cloudflare', async (req, res) => {
   }
 
   let cacheKey, cached
-  if (data.mode === "iuam") {
+  if (CACHE_ENABLED && data.mode === "iuam") {
 
     cacheKey = JSON.stringify(data)
     cached = readCache(cacheKey)
@@ -147,7 +150,7 @@ app.post('/cloudflare', async (req, res) => {
           .then(r => ({ ...r }))
           .catch(err => ({ code: 500, message: err.message }))
 
-        if (!result.code || result.code === 200) {
+        if (CACHE_ENABLED && (!result.code || result.code === 200)) {
           writeCache(cacheKey, result)
         }
         break