diff --git a/lib/api.js b/lib/api.js
index 845fc7d2..4fcbcd77 100644
--- a/lib/api.js
+++ b/lib/api.js
@@ -8,6 +8,7 @@ const {
 
 const allowedHeaders = {
   "X-Razorpay-Account": "",
+  "X-Payout-Idempotency": "",
   "Content-Type": "application/json"
 };