diff --git a/.env b/.env
index 1fa497f3e6..3d82f3b320 100644
--- a/.env
+++ b/.env
@@ -133,3 +133,8 @@ SOCIAL_GOOGLE_OAUTH_CLIENT_SECRET=""
 SOCIAL_GITHUB_OAUTH_CALLBACK_URL="${AUTH_URL}/api/auth/callback/github"
 SOCIAL_GITHUB_OAUTH_CLIENT_ID=""
 SOCIAL_GITHUB_OAUTH_CLIENT_SECRET=""
+
+LANGSMITH_TRACING=false
+LANGSMITH_ENDPOINT="https://api.smith.langchain.com"
+LANGSMITH_API_KEY=""
+LANGCHAIN_PROJECT=""
diff --git a/ui/.env.template b/ui/.env.template
index ba212ad68a..7bce4a8843 100644
--- a/ui/.env.template
+++ b/ui/.env.template
@@ -4,3 +4,9 @@ AUTH_TRUST_HOST=true
 
 # openssl rand -base64 32
 AUTH_SECRET=your-secret-key
+
+# Langsmith
+LANGSMITH_TRACING=false
+LANGSMITH_ENDPOINT="https://api.smith.langchain.com"
+LANGSMITH_API_KEY=
+LANGCHAIN_PROJECT=