diff --git a/lib/resources/index.js b/lib/resources/index.js
index e072e50..cf04ce2 100644
--- a/lib/resources/index.js
+++ b/lib/resources/index.js
@@ -3,12 +3,12 @@
  */
 const CryptoJS = require('crypto-js');
 const fetch = require('node-fetch');
+const getenv = require('getenv');
 
 // Constants
-const BASE_URL = getenv("BASE_URL_SDK") ? getenv("BASE_URL_SDK") : "https://api.secure.payco.co",
-    BASE_URL_SECURE = getenv("SECURE_URL_SDK") ? getenv("SECURE_URL_SDK") :"https://secure.payco.co",
-    ENTORNO = getenv("ENTORNO_SDK") ? getenv("ENTORNO_SDK") : "/restpagos",
-    BASE_URL_APIFY = getenv("BASE_URL_APIFY") ? getenv("BASE_URL_APIFY") :"https://apify.epayco.co"
+const BASE_URL = getenv("BASE_URL_SDK", "https://api.secure.payco.co"),
+    BASE_URL_SECURE = getenv("SECURE_URL_SDK", "https://secure.payco.co"),
+    BASE_URL_APIFY = getenv("BASE_URL_APIFY", "https://apify.epayco.co");
 
 /**
  * Resource constructor
diff --git a/package.json b/package.json
index 527c4a6..c21602b 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "license": "MIT",
     "dependencies": {
         "crypto-js": "^3.1.9-1",
+        "getenv": "^1.0.0",
         "ip": "^1.1.5",
         "node-fetch": "^2.6.0"
     },