diff --git a/README.md b/README.md
index 237190f3d37..e4babd717a7 100644
--- a/README.md
+++ b/README.md
@@ -222,7 +222,18 @@ These are the ones where a key is necessary:
   * Reddit: https://www.reddit.com/prefs/apps
   * Twitter: https://developer.twitter.com
 
-When these are obtained, don't forget to update [config_terminal.py](/config_terminal.py)
+When these are obtained, don't forget to update [config_terminal.py](/config_terminal.py).  Alternatively, you can also set them to the following environment variables:  
+  * GT_API_KEY_ALPHAVANTAGE
+  * GT_API_KEY_FINANCIALMODELINGPREP
+  * GT_API_KEY_QUANDL
+  * GT_API_REDDIT_CLIENT_ID
+  * GT_API_REDDIT_CLIENT_SECRET
+  * GT_API_REDDIT_USERNAME
+  * GT_API_REDDIT_USER_AGENT
+  * GT_API_REDDIT_PASSWORD
+  * GT_API_TWITTER_KEY
+  * GT_API_TWITTER_SECRET_KEY
+  * GT_API_TWITTER_BEARER_TOKEN.
 
 ## Disclaimer <a name="Disclaimer"></a>
 
diff --git a/config_terminal.py b/config_terminal.py
index 4584e641471..86d757881b6 100644
--- a/config_terminal.py
+++ b/config_terminal.py
@@ -1,20 +1,22 @@
+import os
+
 # https://www.alphavantage.co
-API_KEY_ALPHAVANTAGE = "REPLACE_ME"
+API_KEY_ALPHAVANTAGE = os.getenv("GT_API_KEY_ALPHAVANTAGE") or "REPLACE_ME"
 
 # https://financialmodelingprep.com/developer
-API_KEY_FINANCIALMODELINGPREP = "REPLACE_ME"
+API_KEY_FINANCIALMODELINGPREP = os.getenv("GT_API_KEY_FINANCIALMODELINGPREP") or "REPLACE_ME"
 
 # https://www.quandl.com/tools/api
-API_KEY_QUANDL = "REPLACE_ME"
+API_KEY_QUANDL = os.getenv("GT_API_KEY_QUANDL") or "REPLACE_ME"
 
 # https://www.reddit.com/prefs/apps
-API_REDDIT_CLIENT_ID = "REPLACE_ME"
-API_REDDIT_CLIENT_SECRET = "REPLACE_ME"
-API_REDDIT_USERNAME = "REPLACE_ME"
-API_REDDIT_USER_AGENT = "REPLACE_ME"
-API_REDDIT_PASSWORD = "REPLACE_ME"
+API_REDDIT_CLIENT_ID = os.getenv("GT_API_REDDIT_CLIENT_ID") or "REPLACE_ME"
+API_REDDIT_CLIENT_SECRET = os.getenv("GT_API_REDDIT_CLIENT_SECRET") or "REPLACE_ME"
+API_REDDIT_USERNAME = os.getenv("GT_API_REDDIT_USERNAME") or "REPLACE_ME"
+API_REDDIT_USER_AGENT = os.getenv("GT_API_REDDIT_USER_AGENT") or "REPLACE_ME"
+API_REDDIT_PASSWORD = os.getenv("GT_API_REDDIT_PASSWORD") or "REPLACE_ME"
 
 # https://developer.twitter.com
-API_TWITTER_KEY = "REPLACE_ME"
-API_TWITTER_SECRET_KEY = "REPLACE_ME"
-API_TWITTER_BEARER_TOKEN = "REPLACE_ME"
+API_TWITTER_KEY = os.getenv("GT_API_TWITTER_KEY") or "REPLACE_ME"
+API_TWITTER_SECRET_KEY = os.getenv("GT_API_TWITTER_SECRET_KEY") or "REPLACE_ME"
+API_TWITTER_BEARER_TOKEN = os.getenv("GT_API_TWITTER_BEARER_TOKEN") or "REPLACE_ME"