diff --git a/authorization.go b/authorization.go
index 30c5300..cfeba23 100644
--- a/authorization.go
+++ b/authorization.go
@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"fmt"
 	"net/http"
-	"strconv"
 )
 
 // GetAuthorization returns an authorization by ID
@@ -24,20 +23,17 @@ func (c *Client) GetAuthorization(authID string) (*Authorization, error) {
 
 // CaptureAuthorization captures and process an existing authorization.
 // To use this method, the original payment must have Intent set to "authorize"
-// Endpoint: POST /v2/payments/authorization/ID/capture
-func (c *Client) CaptureAuthorization(authID string, a *Amount, isFinalCapture bool) (*Capture, error) {
-	isFinalStr := strconv.FormatBool(isFinalCapture)
-
-	buf := bytes.NewBuffer([]byte(`{"amount":{"currency":"` + a.Currency + `,"total":"` + a.Total + `"},"is_final_capture":` + isFinalStr + `}`))
-	req, err := http.NewRequest("POST", fmt.Sprintf("%s%s", c.APIBase, "/v2/payments/authorization/"+authID+"/capture"), buf)
-	capture := &Capture{}
+// Endpoint: POST /v2/payments/authorizations/ID/capture
+func (c *Client) CaptureAuthorization(authID string, paymentCaptureRequest *PaymentCaptureRequest) (*PaymentCaptureResponse, error) {
+	req, err := c.NewRequest("POST", fmt.Sprintf("%s%s", c.APIBase, "/v2/payments/authorizations/"+authID+"/capture"), paymentCaptureRequest)
+	paymentCaptureResponse := &PaymentCaptureResponse{}
 
 	if err != nil {
-		return capture, err
+		return paymentCaptureResponse, err
 	}
 
-	err = c.SendWithAuth(req, capture)
-	return capture, err
+	err = c.SendWithAuth(req, paymentCaptureResponse)
+	return paymentCaptureResponse, err
 }
 
 // VoidAuthorization voids a previously authorized payment
diff --git a/types.go b/types.go
index 42f4d75..ee99dee 100644
--- a/types.go
+++ b/types.go
@@ -162,6 +162,42 @@ type (
 		ApplicationContext ApplicationContext `json:"application_context,omitempty"`
 	}
 
+	// https://developer.paypal.com/docs/api/payments/v2/#definition-platform_fee
+	PlatformFee struct {
+		Amount *Money          `json:"amount,omitempty"`
+		Payee  *PayeeForOrders `json:"payee,omitempty"`
+	}
+
+	// https://developer.paypal.com/docs/api/payments/v2/#definition-payment_instruction
+	PaymentInstruction struct {
+		PlatformFees     []PlatformFee `json:"platform_fees,omitempty"`
+		DisbursementMode string        `json:"disbursement_mode,omitempty"`
+	}
+
+	// https://developer.paypal.com/docs/api/payments/v2/#authorizations_capture
+	PaymentCaptureRequest struct {
+		InvoiceID      string `json:"invoice_id,omitempty"`
+		NoteToPayer    string `json:"note_to_payer,omitempty"`
+		SoftDescriptor string `json:"soft_descriptor,omitempty"`
+		Amount         *Money `json:"amount,omitempty"`
+		FinalCapture   bool   `json:"final_capture,omitempty"`
+	}
+
+	// https://developer.paypal.com/docs/api/payments/v2/#definition-capture_status_details
+	CaptureStatusDetails struct {
+		Reason string `json:"reason,omitempty"`
+	}
+
+	PaymentCaptureResponse struct {
+		Status           string                `json:"status,omitempty"`
+		StatusDetails    *CaptureStatusDetails `json:"status_details,omitempty"`
+		ID               string                `json:"id,omitempty"`
+		Amount           *Money                `json:"amount,omitempty"`
+		InvoiceID        string                `json:"invoice_id,omitempty"`
+		FinalCapture     bool                  `json:"final_capture,omitempty"`
+		DisbursementMode string                `json:"disbursement_mode,omitempty"`
+	}
+
 	// CaptureOrderRequest - https://developer.paypal.com/docs/api/orders/v2/#orders_capture
 	CaptureOrderRequest struct {
 		PaymentSource *PaymentSource `json:"payment_source"`