diff --git a/README.md b/README.md
index 260a166..5da41f5 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,12 @@ Prerequisite: rust installed
 1. `cd validation`
 2. `cargo run --release`
 
+Environment Variables:
+- ROBLOX_GROUP_ID
+- RBXCOOKIE
+- API_HOST_INTERNAL
+- NATS_HOST
+
 #### License
 
 <sup>