diff --git a/stock_analysis/.env.example b/stock_analysis/.env.example
index e69de29b..47920e35 100644
--- a/stock_analysis/.env.example
+++ b/stock_analysis/.env.example
@@ -0,0 +1,4 @@
+SERPER_API_KEY=KEY # https://serper.dev/ (free tier)
+BROWSERLESS_API_KEY=KEY # https://www.browserless.io/ (free tier)
+SEC_API_API_KEY=KEY # https://sec-api.io/ (free tier)
+OPENAI_API_KEY=KEY
\ No newline at end of file