diff --git a/.env.example b/.env.example
index f91cd54..620e23e 100644
--- a/.env.example
+++ b/.env.example
@@ -11,6 +11,10 @@ AUTH_DISABLED=false
 OIDC_ISSUER=https://authentik.example.com
 OIDC_AUDIENCE=groombook
 
+# ── Webhooks ─────────────────────────────────────────────────────────────────
+# Telnyx webhook secret for validating inbound message webhooks.
+TELNYX_WEBHOOK_SECRET=your-telnyx-webhook-secret-here
+
 # ── Setup Wizard ─────────────────────────────────────────────────────────────
 # When SKIP_OOBE=true, the setup wizard is bypassed regardless of whether a
 # super user exists in the database. Useful in dev/test environments where the