diff --git a/init.php b/init.php
index e9eb3baf54..7a4ac3ee4f 100644
--- a/init.php
+++ b/init.php
@@ -35,6 +35,13 @@
 require(dirname(__FILE__) . '/lib/Error/OAuth/UnsupportedGrantType.php');
 require(dirname(__FILE__) . '/lib/Error/OAuth/UnsupportedResponseType.php');
 
+// API operations
+require(dirname(__FILE__) . '/lib/ApiOperations/All.php');
+require(dirname(__FILE__) . '/lib/ApiOperations/Create.php');
+require(dirname(__FILE__) . '/lib/ApiOperations/Delete.php');
+require(dirname(__FILE__) . '/lib/ApiOperations/Retrieve.php');
+require(dirname(__FILE__) . '/lib/ApiOperations/Update.php');
+
 // Plumbing
 require(dirname(__FILE__) . '/lib/ApiResponse.php');
 require(dirname(__FILE__) . '/lib/StripeObject.php');
diff --git a/lib/Account.php b/lib/Account.php
index d21f6e3b3a..ac5b36ffb3 100644
--- a/lib/Account.php
+++ b/lib/Account.php
@@ -37,6 +37,11 @@
  */
 class Account extends ApiResource
 {
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Delete;
+    use ApiOperations\Update;
+
     const PATH_EXTERNAL_ACCOUNTS = '/external_accounts';
     const PATH_LOGIN_LINKS = '/login_links';
 
@@ -65,50 +70,6 @@ public static function retrieve($id = null, $opts = null)
         return self::_retrieve($id, $opts);
     }
 
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Account
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param string $id The ID of the account to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Account The updated account.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|string|null $opts
-     *
-     * @return Account
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Account The deleted account.
-     */
-    public function delete($params = null, $opts = null)
-    {
-        return $this->_delete($params, $opts);
-    }
-
     /**
      * @param array|null $params
      * @param array|string|null $opts
@@ -123,17 +84,6 @@ public function reject($params = null, $opts = null)
         return $this;
     }
 
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of Accounts
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
-
     /**
      * @param array|null $clientId
      * @param array|string|null $opts
diff --git a/lib/ApiOperations/All.php b/lib/ApiOperations/All.php
new file mode 100644
index 0000000000..961d1ad31e
--- /dev/null
+++ b/lib/ApiOperations/All.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Stripe\ApiOperations;
+
+/**
+ * Trait for listable resources. Adds a `all()` static method to the class.
+ *
+ * This trait should only be applied to classes that derive from ApiResource.
+ */
+trait All
+{
+    /**
+     * @param array|null $params
+     * @param array|string|null $opts
+     *
+     * @return Collection of ApiResources
+     */
+    public static function all($params = null, $opts = null)
+    {
+        return self::_all($params, $opts);
+    }
+}
diff --git a/lib/ApiOperations/Create.php b/lib/ApiOperations/Create.php
new file mode 100644
index 0000000000..5caba1bbe0
--- /dev/null
+++ b/lib/ApiOperations/Create.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Stripe\ApiOperations;
+
+/**
+ * Trait for creatable resources. Adds a `create()` static method to the class.
+ *
+ * This trait should only be applied to classes that derive from ApiResource.
+ */
+trait Create
+{
+    /**
+     * @param array|null $params
+     * @param array|string|null $options
+     *
+     * @return ApiResource The created resource.
+     */
+    public static function create($params = null, $options = null)
+    {
+        return self::_create($params, $options);
+    }
+}
diff --git a/lib/ApiOperations/Delete.php b/lib/ApiOperations/Delete.php
new file mode 100644
index 0000000000..f8de3996ff
--- /dev/null
+++ b/lib/ApiOperations/Delete.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Stripe\ApiOperations;
+
+/**
+ * Trait for deletable resources. Adds a `delete()` method to the class.
+ *
+ * This trait should only be applied to classes that derive from ApiResource.
+ */
+trait Delete
+{
+    /**
+     * @param array|null $params
+     * @param array|string|null $opts
+     *
+     * @return ApiResource The deleted resource.
+     */
+    public function delete($params = null, $opts = null)
+    {
+        return $this->_delete($params, $opts);
+    }
+}
diff --git a/lib/ApiOperations/Retrieve.php b/lib/ApiOperations/Retrieve.php
new file mode 100644
index 0000000000..54798cff22
--- /dev/null
+++ b/lib/ApiOperations/Retrieve.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Stripe\ApiOperations;
+
+/**
+ * Trait for retrievable resources. Adds a `retrieve()` static method to the
+ * class.
+ *
+ * This trait should only be applied to classes that derive from ApiResource.
+ */
+trait Retrieve
+{
+    /**
+     * @param array|string $id The ID of the API resource to retrieve,
+     *     or an options array containing an `id` key.
+     * @param array|string|null $opts
+     *
+     * @return ApiResource
+     */
+    public static function retrieve($id, $opts = null)
+    {
+        return self::_retrieve($id, $opts);
+    }
+}
diff --git a/lib/ApiOperations/Update.php b/lib/ApiOperations/Update.php
new file mode 100644
index 0000000000..d66708b7c2
--- /dev/null
+++ b/lib/ApiOperations/Update.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace Stripe\ApiOperations;
+
+/**
+ * Trait for updatable resources. Adds an `update()` static method and a
+ * `save()` method to the class.
+ *
+ * This trait should only be applied to classes that derive from ApiResource.
+ */
+trait Update
+{
+    /**
+     * @param string $id The ID of the resource to update.
+     * @param array|null $params
+     * @param array|string|null $options
+     *
+     * @return ApiResource The updated resource.
+     */
+    public static function update($id, $params = null, $options = null)
+    {
+        return self::_update($id, $params, $options);
+    }
+
+    /**
+     * @param array|string|null $options
+     *
+     * @return ApiResource The saved resource.
+     */
+    public function save($options = null)
+    {
+        return $this->_save($options);
+    }
+}
diff --git a/lib/ApplePayDomain.php b/lib/ApplePayDomain.php
index 99beb703e6..124c5dc063 100644
--- a/lib/ApplePayDomain.php
+++ b/lib/ApplePayDomain.php
@@ -9,7 +9,11 @@
  */
 class ApplePayDomain extends ApiResource
 {
-    
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Delete;
+    use ApiOperations\Retrieve;
+
     /**
      * @return string The class URL for this resource. It needs to be special
      *    cased because it doesn't fit into the standard resource pattern.
@@ -18,49 +22,4 @@ public static function classUrl()
     {
         return '/v1/apple_pay/domains';
     }
-
-    /**
-     * @param array|string $id The ID of the domain to retrieve, or an options
-     *     array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return ApplePayDomain
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return ApplePayDomain The created domain.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return ApplePayDomain The deleted domain.
-     */
-    public function delete($params = null, $opts = null)
-    {
-        return $this->_delete($params, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of ApplePayDomains
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
 }
diff --git a/lib/ApplicationFee.php b/lib/ApplicationFee.php
index c6f86e36ff..2dadab5bf1 100644
--- a/lib/ApplicationFee.php
+++ b/lib/ApplicationFee.php
@@ -9,6 +9,9 @@
  */
 class ApplicationFee extends ApiResource
 {
+    use ApiOperations\All;
+    use ApiOperations\Retrieve;
+
     const PATH_REFUNDS = '/refunds';
 
     /**
@@ -22,29 +25,6 @@ public static function className()
         return 'application_fee';
     }
 
-    /**
-     * @param array|string $id The ID of the application fee to retrieve, or an
-     *     options array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return ApplicationFee
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of ApplicationFees
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
-
     /**
      * @param array|null $params
      * @param array|string|null $opts
diff --git a/lib/BalanceTransaction.php b/lib/BalanceTransaction.php
index 4799b69bd4..f174ae5211 100644
--- a/lib/BalanceTransaction.php
+++ b/lib/BalanceTransaction.php
@@ -24,6 +24,9 @@
  */
 class BalanceTransaction extends ApiResource
 {
+    use ApiOperations\All;
+    use ApiOperations\Retrieve;
+
     /**
      * @return string The class URL for this resource. It needs to be special
      *    cased because it doesn't fit into the standard resource pattern.
@@ -32,27 +35,4 @@ public static function classUrl()
     {
         return "/v1/balance/history";
     }
-
-    /**
-     * @param array|string $id The ID of the balance transaction to retrieve,
-     *     or an options array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return BalanceTransaction
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of BalanceTransactions
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
 }
diff --git a/lib/BitcoinReceiver.php b/lib/BitcoinReceiver.php
index 52bbed128d..db7dfc5f06 100644
--- a/lib/BitcoinReceiver.php
+++ b/lib/BitcoinReceiver.php
@@ -9,6 +9,10 @@
  */
 class BitcoinReceiver extends ExternalAccount
 {
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Retrieve;
+
     /**
      * @return string The class URL for this resource. It needs to be special
      *    cased because it doesn't fit into the standard resource pattern.
@@ -40,46 +44,6 @@ public function instanceUrl()
         }
     }
 
-    /**
-     * @param array|string $id The ID of the bitcoin receiver to retrieve, or
-     *     an options array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return BitcoinReceiver
-     *
-     * @deprecated Please use sources instead.
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of BitcoinReceivers
-     *
-     * @deprecated Please use sources instead.
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return BitcoinReceiver The created Bitcoin Receiver item.
-     *
-     * @deprecated Please use sources instead.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
     /**
      * @param array|null $params
      * @param array|string|null $options
diff --git a/lib/Charge.php b/lib/Charge.php
index b81057f7d4..c37f8a20ab 100644
--- a/lib/Charge.php
+++ b/lib/Charge.php
@@ -40,61 +40,10 @@
  */
 class Charge extends ApiResource
 {
-    /**
-     * @param array|string $id The ID of the charge to retrieve, or an options
-     *     array containing an `id` key.
-     * @param array|string|null $options
-     *
-     * @return Charge
-     */
-    public static function retrieve($id, $options = null)
-    {
-        return self::_retrieve($id, $options);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Collection of Charges
-     */
-    public static function all($params = null, $options = null)
-    {
-        return self::_all($params, $options);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Charge The created charge.
-     */
-    public static function create($params = null, $options = null)
-    {
-        return self::_create($params, $options);
-    }
-
-    /**
-     * @param string $id The ID of the charge to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Charge The updated charge.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|string|null $options
-     *
-     * @return Charge The saved charge.
-     */
-    public function save($options = null)
-    {
-        return $this->_save($options);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 
     /**
      * @param array|null $params
diff --git a/lib/CountrySpec.php b/lib/CountrySpec.php
index 81bf54b90f..1733c575ef 100644
--- a/lib/CountrySpec.php
+++ b/lib/CountrySpec.php
@@ -9,6 +9,9 @@
  */
 class CountrySpec extends ApiResource
 {
+    use ApiOperations\All;
+    use ApiOperations\Retrieve;
+
     /**
      * This is a special case because the country specs endpoint has an
      *    underscore in it. The parent `className` function strips underscores.
@@ -19,28 +22,4 @@ public static function className()
     {
         return 'country_spec';
     }
-
-    /**
-     * @param array|string $country The ISO country code of the country we
-     *     retrieve the country specfication for, or an options array
-     *     containing an `id` containing that code.
-     * @param array|string|null $opts
-     *
-     * @return CountrySpec
-     */
-    public static function retrieve($country, $opts = null)
-    {
-        return self::_retrieve($country, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of CountrySpecs
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
 }
diff --git a/lib/Coupon.php b/lib/Coupon.php
index 803d7c81e5..4ff8d598d1 100644
--- a/lib/Coupon.php
+++ b/lib/Coupon.php
@@ -9,70 +9,9 @@
  */
 class Coupon extends ApiResource
 {
-    /**
-     * @param array|string $id The ID of the coupon to retrieve, or an options
-     *     array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return Coupon
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Coupon The created coupon.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param string $id The ID of the coupon to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Coupon The updated coupon.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Coupon The deleted coupon.
-     */
-    public function delete($params = null, $opts = null)
-    {
-        return $this->_delete($params, $opts);
-    }
-
-    /**
-     * @param array|string|null $opts
-     *
-     * @return Coupon The saved coupon.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of Coupons
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Delete;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 }
diff --git a/lib/Customer.php b/lib/Customer.php
index 5abeabd8d8..eef7eecbcd 100644
--- a/lib/Customer.php
+++ b/lib/Customer.php
@@ -26,74 +26,13 @@
  */
 class Customer extends ApiResource
 {
-    const PATH_SOURCES = '/sources';
-
-    /**
-     * @param array|string $id The ID of the customer to retrieve, or an
-     *     options array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return Customer
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of Customers
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Customer The created customer.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Delete;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 
-    /**
-     * @param string $id The ID of the customer to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Customer The updated customer.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|string|null $opts
-     *
-     * @return Customer The saved customer.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Customer The deleted customer.
-     */
-    public function delete($params = null, $opts = null)
-    {
-        return $this->_delete($params, $opts);
-    }
+    const PATH_SOURCES = '/sources';
 
     /**
      * @param array|null $params
diff --git a/lib/Dispute.php b/lib/Dispute.php
index 3b7c883522..5f08fcc120 100644
--- a/lib/Dispute.php
+++ b/lib/Dispute.php
@@ -24,50 +24,9 @@
  */
 class Dispute extends ApiResource
 {
-    /**
-     * @param array|string $id The ID of the dispute to retrieve, or an options
-     *     array containing an `id` key.
-     * @param array|string|null $options
-     *
-     * @return Dispute
-     */
-    public static function retrieve($id, $options = null)
-    {
-        return self::_retrieve($id, $options);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return array An array of Disputes.
-     */
-    public static function all($params = null, $options = null)
-    {
-        return self::_all($params, $options);
-    }
-
-    /**
-     * @param string $id The ID of the dispute to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Dispute The updated dispute.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|string|null $options
-     *
-     * @return Dispute The saved charge.
-     */
-    public function save($options = null)
-    {
-        return $this->_save($options);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 
     /**
      * @param array|string|null $options
diff --git a/lib/EphemeralKey.php b/lib/EphemeralKey.php
index cd3afd132d..91754212f4 100644
--- a/lib/EphemeralKey.php
+++ b/lib/EphemeralKey.php
@@ -17,6 +17,8 @@
  */
 class EphemeralKey extends ApiResource
 {
+    use ApiOperations\Delete;
+
     /**
      * This is a special case because the ephemeral key endpoint has an
      *    underscore in it. The parent `className` function strips underscores.
@@ -41,15 +43,4 @@ public static function create($params = null, $opts = null)
         }
         return self::_create($params, $opts);
     }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return EphemeralKey The deleted key.
-     */
-    public function delete($params = null, $opts = null)
-    {
-        return $this->_delete($params, $opts);
-    }
 }
diff --git a/lib/Event.php b/lib/Event.php
index 06009f480f..354169fc16 100644
--- a/lib/Event.php
+++ b/lib/Event.php
@@ -19,26 +19,6 @@
  */
 class Event extends ApiResource
 {
-    /**
-     * @param array|string $id The ID of the event to retrieve, or an options
-     *     array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return Event
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of Events
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Retrieve;
 }
diff --git a/lib/ExchangeRate.php b/lib/ExchangeRate.php
index a6a2b7d024..4076326183 100644
--- a/lib/ExchangeRate.php
+++ b/lib/ExchangeRate.php
@@ -9,6 +9,9 @@
  */
 class ExchangeRate extends ApiResource
 {
+    use ApiOperations\All;
+    use ApiOperations\Retrieve;
+
     /**
      * This is a special case because the exchange rates endpoint has an
      *    underscore in it. The parent `className` function strips underscores.
@@ -19,26 +22,4 @@ public static function className()
     {
         return 'exchange_rate';
     }
-
-    /**
-     * @param array|string $currency
-     * @param array|string|null $opts
-     *
-     * @return ExchangeRate
-     */
-    public static function retrieve($currency, $opts = null)
-    {
-        return self::_retrieve($currency, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return ExchangeRate
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
 }
diff --git a/lib/ExternalAccount.php b/lib/ExternalAccount.php
index fba03075d8..dff99f7226 100644
--- a/lib/ExternalAccount.php
+++ b/lib/ExternalAccount.php
@@ -12,6 +12,8 @@
  */
 abstract class ExternalAccount extends ApiResource
 {
+    use ApiOperations\Delete;
+
     /**
      * @return string The instance URL for this resource. It needs to be special
      *    cased because it doesn't fit into the standard resource pattern.
@@ -50,17 +52,6 @@ public function instanceUrl()
         return "$base/$parentExtn/$path/$extn";
     }
 
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return ExternalAccount The deleted external account.
-     */
-    public function delete($params = null, $opts = null)
-    {
-        return $this->_delete($params, $opts);
-    }
-
     /**
      * @param array|string|null $opts
      *
diff --git a/lib/FileUpload.php b/lib/FileUpload.php
index cfd6fce5ee..aa0b733959 100644
--- a/lib/FileUpload.php
+++ b/lib/FileUpload.php
@@ -16,6 +16,10 @@
  */
 class FileUpload extends ApiResource
 {
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Retrieve;
+
     public static function baseUrl()
     {
         return Stripe::$apiUploadBase;
@@ -25,38 +29,4 @@ public static function className()
     {
         return 'file';
     }
-
-    /**
-     * @param array|string $id The ID of the file upload to retrieve, or an
-     *     options array containing an `id key.
-     * @param array|string|null $opts
-     *
-     * @return FileUpload
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return FileUpload The created file upload.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of FileUploads
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
 }
diff --git a/lib/Invoice.php b/lib/Invoice.php
index f4161a7bbb..0aaae9e246 100644
--- a/lib/Invoice.php
+++ b/lib/Invoice.php
@@ -9,51 +9,10 @@
  */
 class Invoice extends ApiResource
 {
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Invoice The created invoice.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param array|string $id The ID of the invoice to retrieve, or an options
-     *     array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return Invoice
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of Invoices
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
-
-    /**
-     * @param string $id The ID of the invoice to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Invoice The updated invoice.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 
     /**
      * @param array|null $params
diff --git a/lib/InvoiceItem.php b/lib/InvoiceItem.php
index 22f1cc0775..3a2d701206 100644
--- a/lib/InvoiceItem.php
+++ b/lib/InvoiceItem.php
@@ -9,70 +9,9 @@
  */
 class InvoiceItem extends ApiResource
 {
-    /**
-     * @param array|string $id The ID of the invoice item to retrieve, or an
-     *     options array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return InvoiceItem
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of InvoiceItems
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return InvoiceItem The created invoice item.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param string $id The ID of the invoice item to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return InvoiceItem The updated invoice item.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|string|null $opts
-     *
-     * @return InvoiceItem The saved invoice item.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return InvoiceItem The deleted invoice item.
-     */
-    public function delete($params = null, $opts = null)
-    {
-        return $this->_delete($params, $opts);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Delete;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 }
diff --git a/lib/Order.php b/lib/Order.php
index 58a7ee2d38..e9c7a882ff 100644
--- a/lib/Order.php
+++ b/lib/Order.php
@@ -9,61 +9,10 @@
  */
 class Order extends ApiResource
 {
-    /**
-     * @param array|string $id The ID of the order to retrieve, or an options
-     *     array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return Order
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Order The created Order.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param string $id The ID of the order to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Order The updated order.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|string|null $opts
-     *
-     * @return Order The saved Order.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of Orders
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 
     /**
      * @return Order The paid order.
diff --git a/lib/OrderReturn.php b/lib/OrderReturn.php
index 551cb75c35..45a69e3783 100644
--- a/lib/OrderReturn.php
+++ b/lib/OrderReturn.php
@@ -9,6 +9,9 @@
  */
 class OrderReturn extends ApiResource
 {
+    use ApiOperations\All;
+    use ApiOperations\Retrieve;
+
     /**
      * This is a special case because the order returns endpoint has an
      *    underscore in it. The parent `className` function strips underscores.
@@ -19,27 +22,4 @@ public static function className()
     {
         return 'order_return';
     }
-
-    /**
-     * @param array|string $id The ID of the order return to retrieve, or an
-     *     options array containing an `id` field.
-     * @param array|string|null $opts
-     *
-     * @return Order
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of OrderReturns
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
 }
diff --git a/lib/Payout.php b/lib/Payout.php
index 9a0eb18318..d591453f16 100644
--- a/lib/Payout.php
+++ b/lib/Payout.php
@@ -29,51 +29,10 @@
  */
 class Payout extends ApiResource
 {
-    /**
-     * @param array|string $id The ID of the payout to retrieve, or an options
-     *     array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return Payout
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of Payouts
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Payout The created payout.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param string $id The ID of the payout to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Payout The updated payout.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 
     /**
      * @return Payout The canceled payout.
@@ -85,14 +44,4 @@ public function cancel()
         $this->refreshFrom($response, $opts);
         return $this;
     }
-
-    /**
-     * @param array|string|null $opts
-     *
-     * @return Payout The saved payout.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
 }
diff --git a/lib/Plan.php b/lib/Plan.php
index dcfffbf3d5..a1942ca72a 100644
--- a/lib/Plan.php
+++ b/lib/Plan.php
@@ -22,70 +22,9 @@
  */
 class Plan extends ApiResource
 {
-    /**
-     * @param array|string $id The ID of the plan to retrieve, or an options
-     *     array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return Plan
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Plan The created plan.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param string $id The ID of the plan to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Plan The updated plan.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Plan The deleted plan.
-     */
-    public function delete($params = null, $opts = null)
-    {
-        return $this->_delete($params, $opts);
-    }
-
-    /**
-     * @param array|string|null $opts
-     *
-     * @return Plan The saved plan.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of Plans
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Delete;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 }
diff --git a/lib/Product.php b/lib/Product.php
index 1f8d2995b1..dd2b67dda1 100644
--- a/lib/Product.php
+++ b/lib/Product.php
@@ -9,70 +9,9 @@
  */
 class Product extends ApiResource
 {
-    /**
-     * @param array|string $id The ID of the product to retrieve, or an options
-     *     array contianing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return Product
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Product The created Product.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param string $id The ID of the product to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Product The updated product.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|string|null $opts
-     *
-     * @return Product The saved Product.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of Products
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Product The deleted product.
-     */
-    public function delete($params = null, $opts = null)
-    {
-        return $this->_delete($params, $opts);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Delete;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 }
diff --git a/lib/Recipient.php b/lib/Recipient.php
index e08bd936ef..9ec6a1ec84 100644
--- a/lib/Recipient.php
+++ b/lib/Recipient.php
@@ -9,72 +9,11 @@
  */
 class Recipient extends ApiResource
 {
-    /**
-     * @param array|string $id The ID of the recipient to retrieve, or an
-     *     options array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return Recipient
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of Recipients
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Recipient The created recipient.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param string $id The ID of the recipient to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Recipient The updated recipient.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|string|null $opts
-     *
-     * @return Recipient The saved recipient.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
-
-    /**
-     * @param array|null $params
-     *
-     * @return Recipient The deleted recipient.
-     */
-    public function delete($params = null, $opts = null)
-    {
-        return $this->_delete($params, $opts);
-    }
-
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Delete;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 
     /**
      * @param array|null $params
diff --git a/lib/Refund.php b/lib/Refund.php
index 62ce8c9256..73e02504f2 100644
--- a/lib/Refund.php
+++ b/lib/Refund.php
@@ -21,60 +21,8 @@
  */
 class Refund extends ApiResource
 {
-
-    /**
-     * @param array|string $id The ID of the refund to retrieve, or an options
-     *     array containing an `id` key.
-     * @param array|string|null $options
-     *
-     * @return Refund
-     */
-    public static function retrieve($id, $options = null)
-    {
-        return self::_retrieve($id, $options);
-    }
-
-    /**
-     * @param string $id The ID of the refund to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Refund The updated refund.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Collection of Refunds
-     */
-    public static function all($params = null, $options = null)
-    {
-        return self::_all($params, $options);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Refund The created refund.
-     */
-    public static function create($params = null, $options = null)
-    {
-        return self::_create($params, $options);
-    }
-
-    /**
-     * @param array|string|null $opts
-     *
-     * @return Refund The saved refund.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 }
diff --git a/lib/SKU.php b/lib/SKU.php
index 19d27eac53..05b64afa94 100644
--- a/lib/SKU.php
+++ b/lib/SKU.php
@@ -9,70 +9,9 @@
  */
 class SKU extends ApiResource
 {
-    /**
-     * @param array|string $id The ID of the SKU to retrieve, or an options
-     *     array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return SKU
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return SKU The created SKU.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param string $id The ID of the SKU to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return SKU The updated SKU.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|string|null $opts
-     *
-     * @return SKU The saved SKU.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of SKUs
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return SKU The deleted sku.
-     */
-    public function delete($params = null, $opts = null)
-    {
-        return $this->_delete($params, $opts);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Delete;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 }
diff --git a/lib/Source.php b/lib/Source.php
index f01af43d51..1b8d70223d 100644
--- a/lib/Source.php
+++ b/lib/Source.php
@@ -9,50 +9,9 @@
  */
 class Source extends ApiResource
 {
-    /**
-     * @param array|string $id The ID of the source to retrieve, or an options
-     *     array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return Source
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Source The created Source.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param string $id The ID of the source to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Source The updated source.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|string|null $opts
-     *
-     * @return Source The saved source.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
+    use ApiOperations\Create;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 
     /**
      * @param array|null $params
diff --git a/lib/Subscription.php b/lib/Subscription.php
index 041ed31b65..2e0ac1444c 100644
--- a/lib/Subscription.php
+++ b/lib/Subscription.php
@@ -9,6 +9,11 @@
  */
 class Subscription extends ApiResource
 {
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
+
     /**
      * These constants are possible representations of the status field.
      *
@@ -20,52 +25,6 @@ class Subscription extends ApiResource
     const STATUS_TRIALING = 'trialing';
     const STATUS_UNPAID = 'unpaid';
 
-    /**
-     * @param array|string $id The ID of the subscription to retrieve, or an
-     *     options array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return Subscription
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of Subscriptions
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Subscription The created subscription.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param string $id The ID of the subscription to retrieve.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Subscription The updated subscription.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
     /**
      * @param array|null $params
      *
@@ -76,16 +35,6 @@ public function cancel($params = null, $opts = null)
         return $this->_delete($params, $opts);
     }
 
-    /**
-     * @param array|string|null $opts
-     *
-     * @return Subscription The saved subscription.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
-
     /**
      * @return Subscription The updated subscription.
      */
diff --git a/lib/SubscriptionItem.php b/lib/SubscriptionItem.php
index 98b1f91970..e0320be30e 100644
--- a/lib/SubscriptionItem.php
+++ b/lib/SubscriptionItem.php
@@ -9,6 +9,12 @@
  */
 class SubscriptionItem extends ApiResource
 {
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Delete;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
+
     /**
      * This is a special case because the subscription items endpoint has an
      *    underscore in it. The parent `className` function strips underscores.
@@ -19,71 +25,4 @@ public static function className()
     {
         return 'subscription_item';
     }
-
-    /**
-     * @param array|string $id The ID of the subscription item to retrieve, or
-     *     an options array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return SubscriptionItem
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of SubscriptionItems
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return SubscriptionItem The created subscription item.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
-
-    /**
-     * @param string $id The ID of the subscription item to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return SubscriptionItem The updated subscription item.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
-
-    /**
-     * @param array|string|null $opts
-     *
-     * @return SubscriptionItem The saved subscription item.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return SubscriptionItem The deleted subscription item.
-     */
-    public function delete($params = null, $opts = null)
-    {
-        return $this->_delete($params, $opts);
-    }
 }
diff --git a/lib/ThreeDSecure.php b/lib/ThreeDSecure.php
index 11eb2f6526..7210bfd1f7 100644
--- a/lib/ThreeDSecure.php
+++ b/lib/ThreeDSecure.php
@@ -4,6 +4,9 @@
 
 class ThreeDSecure extends ApiResource
 {
+    use ApiOperations\Create;
+    use ApiOperations\Retrieve;
+
     /**
      * @return string The endpoint URL for the given class.
      */
@@ -11,27 +14,4 @@ public static function classUrl()
     {
         return "/v1/3d_secure";
     }
-
-    /**
-     * @param array|string $id The ID of the 3DS auth to retrieve, or an
-     *     options array contianing an `id` key.
-     * @param array|string|null $options
-     *
-     * @return ThreeDSecure
-     */
-    public static function retrieve($id, $options = null)
-    {
-        return self::_retrieve($id, $options);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return ThreeDSecure The created 3D Secure object.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
 }
diff --git a/lib/Token.php b/lib/Token.php
index 93ad748db9..b3d68d0ede 100644
--- a/lib/Token.php
+++ b/lib/Token.php
@@ -19,26 +19,6 @@
  */
 class Token extends ApiResource
 {
-    /**
-     * @param array|string $id The ID of the token to retrieve, or an options
-     *     array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return Token
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Token The created token.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
+    use ApiOperations\Create;
+    use ApiOperations\Retrieve;
 }
diff --git a/lib/Transfer.php b/lib/Transfer.php
index a2184aadef..8fcf11db02 100644
--- a/lib/Transfer.php
+++ b/lib/Transfer.php
@@ -25,53 +25,12 @@
  */
 class Transfer extends ApiResource
 {
-    const PATH_REVERSALS = '/reversals';
-
-    /**
-     * @param array|string $id The ID of the transfer to retrieve, or an
-     *     options array containing an `id` key.
-     * @param array|string|null $opts
-     *
-     * @return Transfer
-     */
-    public static function retrieve($id, $opts = null)
-    {
-        return self::_retrieve($id, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Collection of Transfers
-     */
-    public static function all($params = null, $opts = null)
-    {
-        return self::_all($params, $opts);
-    }
-
-    /**
-     * @param array|null $params
-     * @param array|string|null $opts
-     *
-     * @return Transfer The created transfer.
-     */
-    public static function create($params = null, $opts = null)
-    {
-        return self::_create($params, $opts);
-    }
+    use ApiOperations\All;
+    use ApiOperations\Create;
+    use ApiOperations\Retrieve;
+    use ApiOperations\Update;
 
-    /**
-     * @param string $id The ID of the transfer to update.
-     * @param array|null $params
-     * @param array|string|null $options
-     *
-     * @return Transfer The updated transfer.
-     */
-    public static function update($id, $params = null, $options = null)
-    {
-        return self::_update($id, $params, $options);
-    }
+    const PATH_REVERSALS = '/reversals';
 
     /**
      * @return TransferReversal The created transfer reversal.
@@ -95,16 +54,6 @@ public function cancel()
         return $this;
     }
 
-    /**
-     * @param array|string|null $opts
-     *
-     * @return Transfer The saved transfer.
-     */
-    public function save($opts = null)
-    {
-        return $this->_save($opts);
-    }
-
     /**
      * @param array|null $id The ID of the transfer on which to create the reversal.
      * @param array|null $params