diff --git a/order.go b/order.go
index 0ae69d3..b901269 100644
--- a/order.go
+++ b/order.go
@@ -80,6 +80,17 @@ func (c *Client) AuthorizeOrder(orderID string, authorizeOrderRequest AuthorizeO
 // CaptureOrder - https://developer.paypal.com/docs/api/orders/v2/#orders_capture
 // Endpoint: POST /v2/checkout/orders/ID/capture
 func (c *Client) CaptureOrder(orderID string, captureOrderRequest CaptureOrderRequest) (*CaptureOrderResponse, error) {
+	return c.CaptureOrderWithPaypalRequestId(orderID, captureOrderRequest, "")
+}
+
+// CaptureOrder with idempotency - https://developer.paypal.com/docs/api/orders/v2/#orders_capture
+// Endpoint: POST /v2/checkout/orders/ID/capture
+// https://developer.paypal.com/docs/api/reference/api-requests/#http-request-headers
+func (c *Client) CaptureOrderWithPaypalRequestId(
+	orderID string,
+	captureOrderRequest CaptureOrderRequest,
+	requestID string,
+) (*CaptureOrderResponse, error) {
 	capture := &CaptureOrderResponse{}
 
 	c.SetReturnRepresentation()
@@ -88,6 +99,10 @@ func (c *Client) CaptureOrder(orderID string, captureOrderRequest CaptureOrderRe
 		return capture, err
 	}
 
+	if requestID != "" {
+		req.Header.Set("PayPal-Request-Id", requestID)
+	}
+
 	if err = c.SendWithAuth(req, capture); err != nil {
 		return capture, err
 	}