diff --git a/README.md b/README.md
index 65978f9..3f8b73e 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@
  * POST /v1/payments/orders/**ID**/do-void
  * POST /v1/identity/openidconnect/tokenservice
  * GET /v1/identity/openidconnect/userinfo/?schema=**SCHEMA**
- * POST /v1/payments/payouts?sync_mode=true
+ * POST /v1/payments/payouts
  * GET /v1/payment-experience/web-profiles
  * POST /v1/payment-experience/web-profiles
  * GET /v1/payment-experience/web-profiles/**ID**
diff --git a/integration_test.go b/integration_test.go
index ff28907..b6b81cd 100644
--- a/integration_test.go
+++ b/integration_test.go
@@ -216,7 +216,7 @@ func TestCreatePayment(t *testing.T) {
 			CancelURL: "http://..",
 		},
 	}
-	pr, err := c.CreatePayment(p)
+	_, err := c.CreatePayment(p)
 	if err != nil {
 		t.Errorf("Error creating payment.")
 	}
diff --git a/payout.go b/payout.go
index 13f52ec..7e51c59 100644
--- a/payout.go
+++ b/payout.go
@@ -2,11 +2,11 @@ package paypalsdk
 
 import "fmt"
 
-// CreateSinglePayout submits a payout with a synchronous API call, which immediately returns the results of a PayPal payment.
+// CreateSinglePayout submits a payout with an asynchronous API call, which immediately returns the results of a PayPal payment.
 // For email payout set RecipientType: "EMAIL" and receiver email into Receiver
-// Endpoint: POST /v1/payments/payouts?sync_mode=true
+// Endpoint: POST /v1/payments/payouts
 func (c *Client) CreateSinglePayout(p Payout) (*PayoutResponse, error) {
-	req, err := c.NewRequest("POST", fmt.Sprintf("%s%s", c.APIBase, "/v1/payments/payouts?sync_mode=true"), p)
+	req, err := c.NewRequest("POST", fmt.Sprintf("%s%s", c.APIBase, "/v1/payments/payouts"), p)
 	if err != nil {
 		return &PayoutResponse{}, err
 	}