diff --git a/lib/Invoice.php b/lib/Invoice.php
index 14aa9ca7e..6352ae7b4 100644
--- a/lib/Invoice.php
+++ b/lib/Invoice.php
@@ -17,7 +17,6 @@
  * @property string $billing
  * @property string $billing_reason
  * @property string $charge
- * @property bool $closed
  * @property string $currency
  * @property string $customer
  * @property int $date
@@ -25,9 +24,9 @@
  * @property Discount $discount
  * @property int $due_date
  * @property int $ending_balance
- * @property bool $forgiven
  * @property string $hosted_invoice_url
  * @property string $invoice_pdf
+ * @property int $last_payment_attempt
  * @property Collection $lines
  * @property bool $livemode
  * @property StripeObject $metadata
@@ -39,6 +38,7 @@
  * @property string $receipt_number
  * @property int $starting_balance
  * @property string $statement_descriptor
+ * @property string $status
  * @property string $subscription
  * @property int $subscription_proration_date
  * @property int $subtotal
@@ -56,9 +56,66 @@ class Invoice extends ApiResource
 
     use ApiOperations\All;
     use ApiOperations\Create;
+    use ApiOperations\Delete;
     use ApiOperations\Retrieve;
     use ApiOperations\Update;
 
+    /**
+     * @param array|null $params
+     * @param array|string|null $opts
+     *
+     * @return Invoice The finalized invoice.
+     */
+    public function finalizeInvoice($params = null, $opts = null)
+    {
+        $url = $this->instanceUrl() . '/finalize';
+        list($response, $opts) = $this->_request('post', $url, $params, $opts);
+        $this->refreshFrom($response, $opts);
+        return $this;
+    }
+
+    /**
+     * @param array|null $params
+     * @param array|string|null $opts
+     *
+     * @return Invoice The uncollectible invoice.
+     */
+    public function markUncollectible($params = null, $opts = null)
+    {
+        $url = $this->instanceUrl() . '/mark_uncollectible';
+        list($response, $opts) = $this->_request('post', $url, $params, $opts);
+        $this->refreshFrom($response, $opts);
+        return $this;
+    }
+
+    /**
+     * @param array|null $params
+     * @param array|string|null $opts
+     *
+     * @return Invoice The paid invoice.
+     */
+    public function pay($params = null, $opts = null)
+    {
+        $url = $this->instanceUrl() . '/pay';
+        list($response, $opts) = $this->_request('post', $url, $params, $opts);
+        $this->refreshFrom($response, $opts);
+        return $this;
+    }
+
+    /**
+     * @param array|null $params
+     * @param array|string|null $opts
+     *
+     * @return Invoice The sent invoice.
+     */
+    public function sendInvoice($params = null, $opts = null)
+    {
+        $url = $this->instanceUrl() . '/send';
+        list($response, $opts) = $this->_request('post', $url, $params, $opts);
+        $this->refreshFrom($response, $opts);
+        return $this;
+    }
+
     /**
      * @param array|null $params
      * @param array|string|null $opts
@@ -75,11 +132,14 @@ public static function upcoming($params = null, $opts = null)
     }
 
     /**
-     * @return Invoice The paid invoice.
+     * @param array|null $params
+     * @param array|string|null $opts
+     *
+     * @return Invoice The voided invoice.
      */
-    public function pay($params = null, $opts = null)
+    public function voidInvoice($params = null, $opts = null)
     {
-        $url = $this->instanceUrl() . '/pay';
+        $url = $this->instanceUrl() . '/void';
         list($response, $opts) = $this->_request('post', $url, $params, $opts);
         $this->refreshFrom($response, $opts);
         return $this;
diff --git a/tests/Stripe/InvoiceTest.php b/tests/Stripe/InvoiceTest.php
index f1ae93786..578b551a1 100644
--- a/tests/Stripe/InvoiceTest.php
+++ b/tests/Stripe/InvoiceTest.php
@@ -63,6 +63,53 @@ public function testIsUpdatable()
         $this->assertInstanceOf("Stripe\\Invoice", $resource);
     }
 
+    public function testIsDeletable()
+    {
+        $resource = Invoice::retrieve(self::TEST_RESOURCE_ID);
+        $this->expectsRequest(
+            'delete',
+            '/v1/invoices/' . self::TEST_RESOURCE_ID
+        );
+        $resource->delete();
+        $this->assertInstanceOf("Stripe\\Invoice", $resource);
+    }
+
+    public function testCanFinalizeInvoice()
+    {
+        $invoice = Invoice::retrieve(self::TEST_RESOURCE_ID);
+        $this->expectsRequest(
+            'post',
+            '/v1/invoices/' . $invoice->id . '/finalize'
+        );
+        $resource = $invoice->finalizeInvoice();
+        $this->assertInstanceOf("Stripe\\Invoice", $resource);
+        $this->assertSame($resource, $invoice);
+    }
+
+    public function testCanMarkUncollectible()
+    {
+        $invoice = Invoice::retrieve(self::TEST_RESOURCE_ID);
+        $this->expectsRequest(
+            'post',
+            '/v1/invoices/' . $invoice->id . '/mark_uncollectible'
+        );
+        $resource = $invoice->markUncollectible();
+        $this->assertInstanceOf("Stripe\\Invoice", $resource);
+        $this->assertSame($resource, $invoice);
+    }
+
+    public function testCanPay()
+    {
+        $invoice = Invoice::retrieve(self::TEST_RESOURCE_ID);
+        $this->expectsRequest(
+            'post',
+            '/v1/invoices/' . $invoice->id . '/pay'
+        );
+        $resource = $invoice->pay();
+        $this->assertInstanceOf("Stripe\\Invoice", $resource);
+        $this->assertSame($resource, $invoice);
+    }
+
     public function testCanRetrieveUpcoming()
     {
         $this->expectsRequest(
@@ -73,14 +120,26 @@ public function testCanRetrieveUpcoming()
         $this->assertInstanceOf("Stripe\\Invoice", $resource);
     }
 
-    public function testIsPayable()
+    public function testCanSendInvoice()
     {
         $invoice = Invoice::retrieve(self::TEST_RESOURCE_ID);
         $this->expectsRequest(
             'post',
-            '/v1/invoices/' . $invoice->id . '/pay'
+            '/v1/invoices/' . $invoice->id . '/send'
         );
-        $resource = $invoice->pay();
+        $resource = $invoice->sendInvoice();
+        $this->assertInstanceOf("Stripe\\Invoice", $resource);
+        $this->assertSame($resource, $invoice);
+    }
+
+    public function testCanVoidInvoice()
+    {
+        $invoice = Invoice::retrieve(self::TEST_RESOURCE_ID);
+        $this->expectsRequest(
+            'post',
+            '/v1/invoices/' . $invoice->id . '/void'
+        );
+        $resource = $invoice->voidInvoice();
         $this->assertInstanceOf("Stripe\\Invoice", $resource);
         $this->assertSame($resource, $invoice);
     }