diff --git a/lib/PayPal/Api/Agreement.php b/lib/PayPal/Api/Agreement.php
index 843f5e8..5c7e47f 100644
--- a/lib/PayPal/Api/Agreement.php
+++ b/lib/PayPal/Api/Agreement.php
@@ -28,7 +28,6 @@ use PayPal\Transport\PayPalRestCall;
  * @property string create_time
  * @property string update_time
  * @property \PayPal\Api\AgreementDetails agreement_details
- * @property \PayPal\Api\Links[] links
  */
 class Agreement extends PayPalResourceModel
 {
@@ -537,56 +536,13 @@ class Agreement extends PayPalResourceModel
     }
 
     /**
-     * Sets Links
+     * Get Approval Link
      *
-     * @param \PayPal\Api\Links[] $links
-     * 
-     * @return $this
+     * @return null|string
      */
-    public function setLinks($links)
+    public function getApprovalLink()
     {
-        $this->links = $links;
-        return $this;
-    }
-
-    /**
-     * Gets Links
-     *
-     * @return \PayPal\Api\Links[]
-     */
-    public function getLinks()
-    {
-        return $this->links;
-    }
-
-    /**
-     * Append Links to the list.
-     *
-     * @param \PayPal\Api\Links $links
-     * @return $this
-     */
-    public function addLink($links)
-    {
-        if (!$this->getLinks()) {
-            return $this->setLinks(array($links));
-        } else {
-            return $this->setLinks(
-                array_merge($this->getLinks(), array($links))
-            );
-        }
-    }
-
-    /**
-     * Remove Links from the list.
-     *
-     * @param \PayPal\Api\Links $links
-     * @return $this
-     */
-    public function removeLink($links)
-    {
-        return $this->setLinks(
-            array_diff($this->getLinks(), array($links))
-        );
+        return $this->getLink(Payment::APPROVAL_URL);
     }
 
     /**
diff --git a/lib/PayPal/Api/BankAccount.php b/lib/PayPal/Api/BankAccount.php
index 3fd2f62..17a1cd8 100644
--- a/lib/PayPal/Api/BankAccount.php
+++ b/lib/PayPal/Api/BankAccount.php
@@ -37,7 +37,6 @@ use PayPal\Transport\PayPalRestCall;
  * @property string create_time
  * @property string update_time
  * @property string valid_until
- * @property \PayPal\Api\Links[] links
  */
 class BankAccount extends PayPalResourceModel
 {
@@ -1101,59 +1100,6 @@ class BankAccount extends PayPalResourceModel
         return $this->valid_until;
     }
 
-    /**
-     * Sets Links
-     *
-     * @param \PayPal\Api\Links[] $links
-     * 
-     * @return $this
-     */
-    public function setLinks($links)
-    {
-        $this->links = $links;
-        return $this;
-    }
-
-    /**
-     * Gets Links
-     *
-     * @return \PayPal\Api\Links[]
-     */
-    public function getLinks()
-    {
-        return $this->links;
-    }
-
-    /**
-     * Append Links to the list.
-     *
-     * @param \PayPal\Api\Links $links
-     * @return $this
-     */
-    public function addLink($links)
-    {
-        if (!$this->getLinks()) {
-            return $this->setLinks(array($links));
-        } else {
-            return $this->setLinks(
-                array_merge($this->getLinks(), array($links))
-            );
-        }
-    }
-
-    /**
-     * Remove Links from the list.
-     *
-     * @param \PayPal\Api\Links $links
-     * @return $this
-     */
-    public function removeLink($links)
-    {
-        return $this->setLinks(
-            array_diff($this->getLinks(), array($links))
-        );
-    }
-
     /**
      * Creates a new Bank Account Resource.
      *
diff --git a/lib/PayPal/Api/CreditCard.php b/lib/PayPal/Api/CreditCard.php
index 4f28367..53e77a3 100644
--- a/lib/PayPal/Api/CreditCard.php
+++ b/lib/PayPal/Api/CreditCard.php
@@ -28,7 +28,6 @@ use PayPal\Transport\PayPalRestCall;
  * @property string valid_until
  * @property string create_time
  * @property string update_time
- * @property \PayPal\Api\Links[] links
  */
 class CreditCard extends PayPalResourceModel
 {
@@ -580,59 +579,6 @@ class CreditCard extends PayPalResourceModel
         return $this->update_time;
     }
 
-    /**
-     * Sets Links
-     *
-     * @param \PayPal\Api\Links[] $links
-     * 
-     * @return $this
-     */
-    public function setLinks($links)
-    {
-        $this->links = $links;
-        return $this;
-    }
-
-    /**
-     * Gets Links
-     *
-     * @return \PayPal\Api\Links[]
-     */
-    public function getLinks()
-    {
-        return $this->links;
-    }
-
-    /**
-     * Append Links to the list.
-     *
-     * @param \PayPal\Api\Links $links
-     * @return $this
-     */
-    public function addLink($links)
-    {
-        if (!$this->getLinks()) {
-            return $this->setLinks(array($links));
-        } else {
-            return $this->setLinks(
-                array_merge($this->getLinks(), array($links))
-            );
-        }
-    }
-
-    /**
-     * Remove Links from the list.
-     *
-     * @param \PayPal\Api\Links $links
-     * @return $this
-     */
-    public function removeLink($links)
-    {
-        return $this->setLinks(
-            array_diff($this->getLinks(), array($links))
-        );
-    }
-
     /**
      * Creates a new Credit Card Resource (aka Tokenize).
      *
diff --git a/lib/PayPal/Api/Payment.php b/lib/PayPal/Api/Payment.php
index 1781c54..da55e74 100644
--- a/lib/PayPal/Api/Payment.php
+++ b/lib/PayPal/Api/Payment.php
@@ -26,11 +26,16 @@ use PayPal\Validation\ArgumentValidator;
  * @property \PayPal\Api\Transaction[] transactions
  * @property string state
  * @property \PayPal\Api\RedirectUrls redirect_urls
- * @property \PayPal\Api\Links links
  * @property string experience_profile_id
  */
 class Payment extends PayPalResourceModel
 {
+
+    /**
+     * Approval URL for Payment
+     */
+     const APPROVAL_URL = 'approval_url';
+
     /**
      * OAuth Credentials to use for this call
      *
@@ -340,30 +345,6 @@ class Payment extends PayPalResourceModel
         return $this->redirect_urls;
     }
 
-    /**
-     * Sets Links
-     *
-     *
-     * @param \PayPal\Api\Links $links
-     *
-     * @return $this
-     */
-    public function setLinks($links)
-    {
-        $this->links = $links;
-        return $this;
-    }
-
-    /**
-     * Gets Links
-     *
-     * @return \PayPal\Api\Links[]
-     */
-    public function getLinks()
-    {
-        return $this->links;
-    }
-
     /**
      * Set Experience_profile_id
      * experience_profile_id of the payment
@@ -388,6 +369,16 @@ class Payment extends PayPalResourceModel
     {
         return $this->experience_profile_id;
     }
+
+    /**
+     * Get Approval Link
+     *
+     * @return null|string
+     */
+    public function getApprovalLink()
+    {
+        return $this->getLink(Payment::APPROVAL_URL);
+    }
     
     /**
      * Creates (and processes) a new Payment Resource.
diff --git a/lib/PayPal/Api/Plan.php b/lib/PayPal/Api/Plan.php
index e14cdff..7e83831 100644
--- a/lib/PayPal/Api/Plan.php
+++ b/lib/PayPal/Api/Plan.php
@@ -26,7 +26,6 @@ use PayPal\Transport\PayPalRestCall;
  * @property \PayPal\Api\PaymentDefinition[] payment_definitions
  * @property \PayPal\Api\Terms[] terms
  * @property \PayPal\Api\MerchantPreferences merchant_preferences
- * @property \PayPal\Api\Links[] links
  */
 class Plan extends PayPalResourceModel
 {
@@ -420,59 +419,6 @@ class Plan extends PayPalResourceModel
         return $this->merchant_preferences;
     }
 
-    /**
-     * Sets Links
-     *
-     * @param \PayPal\Api\Links[] $links
-     * 
-     * @return $this
-     */
-    public function setLinks($links)
-    {
-        $this->links = $links;
-        return $this;
-    }
-
-    /**
-     * Gets Links
-     *
-     * @return \PayPal\Api\Links[]
-     */
-    public function getLinks()
-    {
-        return $this->links;
-    }
-
-    /**
-     * Append Links to the list.
-     *
-     * @param \PayPal\Api\Links $links
-     * @return $this
-     */
-    public function addLink($links)
-    {
-        if (!$this->getLinks()) {
-            return $this->setLinks(array($links));
-        } else {
-            return $this->setLinks(
-                array_merge($this->getLinks(), array($links))
-            );
-        }
-    }
-
-    /**
-     * Remove Links from the list.
-     *
-     * @param \PayPal\Api\Links $links
-     * @return $this
-     */
-    public function removeLink($links)
-    {
-        return $this->setLinks(
-            array_diff($this->getLinks(), array($links))
-        );
-    }
-
     /**
      * Retrieve the details for a particular billing plan by passing the billing plan ID to the request URI.
      *
diff --git a/lib/PayPal/Api/Sale.php b/lib/PayPal/Api/Sale.php
index 287b0f0..dbfd9a3 100644
--- a/lib/PayPal/Api/Sale.php
+++ b/lib/PayPal/Api/Sale.php
@@ -27,7 +27,6 @@ use PayPal\Validation\ArgumentValidator;
  * @property string protection_eligibility_type
  * @property string clearing_time
  * @property string parent_payment
- * @property \PayPal\Api\Links links
  */
 class Sale extends PayPalResourceModel
 {
@@ -562,30 +561,6 @@ class Sale extends PayPalResourceModel
         return $this->parent_payment;
     }
 
-    /**
-     * Sets Links
-     * 
-     *
-     * @param \PayPal\Api\Links $links
-     * 
-     * @return $this
-     */
-    public function setLinks($links)
-    {
-        $this->links = $links;
-        return $this;
-    }
-
-    /**
-     * Gets Links
-     *
-     * @return \PayPal\Api\Links[]
-     */
-    public function getLinks()
-    {
-        return $this->links;
-    }
-
     /**
      * Obtain the Sale transaction resource for the given identifier.
      *
diff --git a/lib/PayPal/Api/Webhook.php b/lib/PayPal/Api/Webhook.php
index b5e485f..66b8478 100644
--- a/lib/PayPal/Api/Webhook.php
+++ b/lib/PayPal/Api/Webhook.php
@@ -19,7 +19,6 @@ use PayPal\Validation\UrlValidator;
  * @property string id
  * @property string url
  * @property \PayPal\Api\WebhookEventType[] event_types
- * @property \PayPal\Api\Links[] links
  */
 class Webhook extends PayPalResourceModel
 {
@@ -148,58 +147,6 @@ class Webhook extends PayPalResourceModel
         return $this->event_types;
     }
 
-    /**
-     * Sets Links
-     *
-     * @param \PayPal\Api\Links[] $links
-     * 
-     * @return $this
-     */
-    public function setLinks($links)
-    {
-        $this->links = $links;
-        return $this;
-    }
-
-    /**
-     * Gets Links
-     *
-     * @return \PayPal\Api\Links[]
-     */
-    public function getLinks()
-    {
-        return $this->links;
-    }
-
-    /**
-     * Append Links to the list.
-     *
-     * @param \PayPal\Api\Links $links
-     * @return $this
-     */
-    public function addLink($links)
-    {
-        if (!$this->getLinks()) {
-            return $this->setLinks(array($links));
-        } else {
-            return $this->setLinks(
-                array_merge($this->getLinks(), array($links))
-            );
-        }
-    }
-
-    /**
-     * Remove Links from the list.
-     *
-     * @param \PayPal\Api\Links $links
-     * @return $this
-     */
-    public function removeLink($links)
-    {
-        return $this->setLinks(
-            array_diff($this->getLinks(), array($links))
-        );
-    }
 
     /**
      * Creates the Webhook for the application associated with the access token.
diff --git a/lib/PayPal/Api/WebhookEvent.php b/lib/PayPal/Api/WebhookEvent.php
index 0404577..05c3f44 100644
--- a/lib/PayPal/Api/WebhookEvent.php
+++ b/lib/PayPal/Api/WebhookEvent.php
@@ -22,7 +22,6 @@ use PayPal\Transport\PayPalRestCall;
  * @property string event_type
  * @property string summary
  * @property mixed resource
- * @property \PayPal\Api\Links[] links
  */
 class WebhookEvent extends PayPalResourceModel
 {
@@ -239,59 +238,6 @@ class WebhookEvent extends PayPalResourceModel
         return $this->resource;
     }
 
-    /**
-     * Sets Links
-     *
-     * @param \PayPal\Api\Links[] $links
-     * 
-     * @return $this
-     */
-    public function setLinks($links)
-    {
-        $this->links = $links;
-        return $this;
-    }
-
-    /**
-     * Gets Links
-     *
-     * @return \PayPal\Api\Links[]
-     */
-    public function getLinks()
-    {
-        return $this->links;
-    }
-
-    /**
-     * Append Links to the list.
-     *
-     * @param \PayPal\Api\Links $links
-     * @return $this
-     */
-    public function addLink($links)
-    {
-        if (!$this->getLinks()) {
-            return $this->setLinks(array($links));
-        } else {
-            return $this->setLinks(
-                array_merge($this->getLinks(), array($links))
-            );
-        }
-    }
-
-    /**
-     * Remove Links from the list.
-     *
-     * @param \PayPal\Api\Links $links
-     * @return $this
-     */
-    public function removeLink($links)
-    {
-        return $this->setLinks(
-            array_diff($this->getLinks(), array($links))
-        );
-    }
-
     /**
      * Retrieves the Webhooks event resource identified by event_id. Can be used to retrieve the payload for an event.
      *
diff --git a/lib/PayPal/Common/PayPalResourceModel.php b/lib/PayPal/Common/PayPalResourceModel.php
index ec8c4c6..bc88ace 100644
--- a/lib/PayPal/Common/PayPalResourceModel.php
+++ b/lib/PayPal/Common/PayPalResourceModel.php
@@ -11,6 +11,7 @@ use PayPal\Transport\PayPalRestCall;
  * Class PayPalResourceModel
  * An Executable PayPalModel Class
  *
+ * @property \PayPal\Api\Links[] links
  * @package PayPal\Common
  */
 class PayPalResourceModel extends PayPalModel implements IResource
@@ -34,6 +35,69 @@ class PayPalResourceModel extends PayPalModel implements IResource
         self::$credential = $credential;
     }
 
+    /**
+     * Sets Links
+     *
+     * @param \PayPal\Api\Links[] $links
+     *
+     * @return $this
+     */
+    public function setLinks($links)
+    {
+        $this->links = $links;
+        return $this;
+    }
+
+    /**
+     * Gets Links
+     *
+     * @return \PayPal\Api\Links[]
+     */
+    public function getLinks()
+    {
+        return $this->links;
+    }
+
+    public function getLink($rel)
+    {
+        foreach ($this->links as $link) {
+            if ($link->getRel() == $rel) {
+                return $link->getHref();
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Append Links to the list.
+     *
+     * @param \PayPal\Api\Links $links
+     * @return $this
+     */
+    public function addLink($links)
+    {
+        if (!$this->getLinks()) {
+            return $this->setLinks(array($links));
+        } else {
+            return $this->setLinks(
+                array_merge($this->getLinks(), array($links))
+            );
+        }
+    }
+
+    /**
+     * Remove Links from the list.
+     *
+     * @param \PayPal\Api\Links $links
+     * @return $this
+     */
+    public function removeLink($links)
+    {
+        return $this->setLinks(
+            array_diff($this->getLinks(), array($links))
+        );
+    }
+
 
     /**
      * Execute SDK Call to Paypal services
diff --git a/sample/billing/CreateBillingAgreementWithPayPal.php b/sample/billing/CreateBillingAgreementWithPayPal.php
index 6119d2e..7eb6f58 100644
--- a/sample/billing/CreateBillingAgreementWithPayPal.php
+++ b/sample/billing/CreateBillingAgreementWithPayPal.php
@@ -71,14 +71,9 @@ try {
 
     // ### Get redirect url
     // The API response provides the url that you must redirect
-    // the buyer to. Retrieve the url from the $agreement->getLinks()
+    // the buyer to. Retrieve the url from the $agreement->getApprovalLink()
     // method
-    foreach ($agreement->getLinks() as $link) {
-        if ($link->getRel() == 'approval_url') {
-            $approvalUrl = $link->getHref();
-            break;
-        }
-    }
+$approvalUrl = $agreement->getApprovalLink();
 
 } catch (Exception $ex) {
     ResultPrinter::printError("Created Billing Agreement.", "Agreement", null, $request, $ex);
diff --git a/sample/payments/AuthorizePaymentUsingPayPal.php b/sample/payments/AuthorizePaymentUsingPayPal.php
index 3c5f2c3..ceb91ad 100644
--- a/sample/payments/AuthorizePaymentUsingPayPal.php
+++ b/sample/payments/AuthorizePaymentUsingPayPal.php
@@ -108,12 +108,7 @@ try {
 // The API response provides the url that you must redirect
 // the buyer to. Retrieve the url from the $payment->getLinks()
 // method
-foreach ($payment->getLinks() as $link) {
-    if ($link->getRel() == 'approval_url') {
-        $approvalUrl = $link->getHref();
-        break;
-    }
-}
+$approvalUrl = $payment->getApprovalLink();
 
 ResultPrinter::printResult("Created Payment Authorization Using PayPal. Please visit the URL to Authorize.", "Payment", "<a href='$approvalUrl' >$approvalUrl</a>", $request, $payment);
 
diff --git a/sample/payments/CreatePaymentUsingPayPal.php b/sample/payments/CreatePaymentUsingPayPal.php
index 029f61b..0af37d5 100644
--- a/sample/payments/CreatePaymentUsingPayPal.php
+++ b/sample/payments/CreatePaymentUsingPayPal.php
@@ -104,14 +104,9 @@ try {
 
 // ### Get redirect url
 // The API response provides the url that you must redirect
-// the buyer to. Retrieve the url from the $payment->getLinks()
+// the buyer to. Retrieve the url from the $payment->getApprovalLink()
 // method
-foreach ($payment->getLinks() as $link) {
-    if ($link->getRel() == 'approval_url') {
-        $approvalUrl = $link->getHref();
-        break;
-    }
-}
+$approvalUrl = $payment->getApprovalLink();
 
 ResultPrinter::printResult("Created Payment Using PayPal. Please visit the URL to Approve.", "Payment", "<a href='$approvalUrl' >$approvalUrl</a>", $request, $payment);