diff --git a/src/main/java/com/paypal/core/Constants.java b/src/main/java/com/paypal/core/Constants.java
index 3db802d..64f44a9 100644
--- a/src/main/java/com/paypal/core/Constants.java
+++ b/src/main/java/com/paypal/core/Constants.java
@@ -151,7 +151,7 @@ private Constants() {}
 	public static final String IPN_SANDBOX_ENDPOINT = "https://www.sandbox.paypal.com/cgi-bin/webscr";
 
 	// IPN Live Endpoint
-	public static final String IPN_LIVE_ENDPOINT = "https://ipnpb.paypal.com/cgi-bin/websc";
+	public static final String IPN_LIVE_ENDPOINT = "https://ipnpb.paypal.com/cgi-bin/webscr";
 
 	// Merchant Sandbox Endpoint Signature
 	public static final String MERCHANT_SANDBOX_SIGNATURE_ENDPOINT = "https://api-3t.sandbox.paypal.com/2.0";
diff --git a/src/main/java/com/paypal/core/rest/OAuthTokenCredential.java b/src/main/java/com/paypal/core/rest/OAuthTokenCredential.java
index a5c37aa..fdb25a0 100644
--- a/src/main/java/com/paypal/core/rest/OAuthTokenCredential.java
+++ b/src/main/java/com/paypal/core/rest/OAuthTokenCredential.java
@@ -74,7 +74,7 @@ public OAuthTokenCredential(String clientID, String clientSecret,
 	/**
 	 * Computes Access Token by placing a call to OAuth server using ClientID
 	 * and ClientSecret. The token is appended to the token type.
-	 * 
+	 *
 	 * @return the accessToken
 	 * @throws PayPalRESTException
 	 */
@@ -163,6 +163,24 @@ private HttpConfiguration getOAuthHttpConfiguration() {
 				endPointUrl = Constants.REST_LIVE_ENDPOINT;
 			}
 		}
+		if (Boolean
+			.parseBoolean(configurationMap.get(Constants.USE_HTTP_PROXY))) {
+		    httpConfiguration.setProxySet(true);
+		    httpConfiguration.setProxyHost(configurationMap
+			    .get(Constants.HTTP_PROXY_HOST));
+		    httpConfiguration.setProxyPort(Integer.parseInt(configurationMap
+			    .get(Constants.HTTP_PROXY_PORT)));
+
+		    String proxyUserName = configurationMap
+			    .get(Constants.HTTP_PROXY_USERNAME);
+		    String proxyPassword = configurationMap
+			    .get(Constants.HTTP_PROXY_PASSWORD);
+
+		    if (proxyUserName != null && proxyPassword != null) {
+			httpConfiguration.setProxyUserName(proxyUserName);
+			httpConfiguration.setProxyPassword(proxyPassword);
+		    }
+		}
 		endPointUrl = (endPointUrl.endsWith("/")) ? endPointUrl.substring(0,
 				endPointUrl.length() - 1) : endPointUrl;
 		endPointUrl += OAUTH_TOKEN_PATH;