diff --git a/src/LEAccount.php b/src/LEAccount.php
index cff2d6d..027c4e0 100644
--- a/src/LEAccount.php
+++ b/src/LEAccount.php
@@ -96,7 +96,7 @@ private function createLEAccount($email)
 
 		$sign = $this->connector->signRequestJWK(array('contact' => $contact, 'termsOfServiceAgreed' => true), $this->connector->newAccount);
 		$post = $this->connector->post($this->connector->newAccount, $sign);
-		if(strpos($post['header'], "201 Created") !== false)
+		if($post['status'] === 201)
 		{
 			if(preg_match('~Location: (\S+)~i', $post['header'], $matches)) return trim($matches[1]);
 		}
@@ -113,7 +113,7 @@ private function getLEAccount()
 		$sign = $this->connector->signRequestJWK(array('onlyReturnExisting' => true), $this->connector->newAccount);
 		$post = $this->connector->post($this->connector->newAccount, $sign);
 
-		if(strpos($post['header'], "200 OK") !== false)
+		if($post['status'] === 200)
 		{
 			if(preg_match('~Location: (\S+)~i', $post['header'], $matches)) return trim($matches[1]);
 		}
@@ -127,7 +127,7 @@ private function getLEAccountData()
 	{
 		$sign = $this->connector->signRequestKid(array('' => ''), $this->connector->accountURL, $this->connector->accountURL);
 		$post = $this->connector->post($this->connector->accountURL, $sign);
-		if(strpos($post['header'], "200 OK") !== false)
+		if($post['status'] === 200)
 		{
 			$this->id = isset($post['body']['id']) ? $post['body']['id'] : '';
 			$this->key = $post['body']['key'];
@@ -156,7 +156,7 @@ public function updateAccount($email)
 
 		$sign = $this->connector->signRequestKid(array('contact' => $contact), $this->connector->accountURL, $this->connector->accountURL);
 		$post = $this->connector->post($this->connector->accountURL, $sign);
-		if(strpos($post['header'], "200 OK") !== false)
+		if($post['status'] === 200)
 		{
 			$this->id = $post['body']['id'];
 			$this->key = $post['body']['key'];
@@ -196,7 +196,7 @@ public function changeAccountKeys()
 		$outerPayload = $this->connector->signRequestJWK($innerPayload, $this->connector->keyChange, $this->accountKeys['private_key'].'.new');
 		$sign = $this->connector->signRequestKid($outerPayload, $this->connector->accountURL, $this->connector->keyChange);
 		$post = $this->connector->post($this->connector->keyChange, $sign);
-		if(strpos($post['header'], "200 OK") !== false)
+		if($post['status'] === 200)
 		{
 			unlink($this->accountKeys['private_key']);
 			unlink($this->accountKeys['public_key']);
@@ -227,7 +227,7 @@ public function deactivateAccount()
 	{
 		$sign = $this->connector->signRequestKid(array('status' => 'deactivated'), $this->connector->accountURL, $this->connector->accountURL);
 		$post = $this->connector->post($this->connector->accountURL, $sign);
-		if(strpos($post['header'], "200 OK") !== false)
+		if($post['status'] === 200)
 		{
 			$this->connector->accountDeactivated = true;
 			if($this->log instanceof \Psr\Log\LoggerInterface) 
diff --git a/src/LEAuthorization.php b/src/LEAuthorization.php
index 8b216dd..8277e7b 100644
--- a/src/LEAuthorization.php
+++ b/src/LEAuthorization.php
@@ -61,7 +61,7 @@ public function __construct($connector, $log, $authorizationURL)
 		$this->authorizationURL = $authorizationURL;
 
 		$get = $this->connector->get($this->authorizationURL);
-		if(strpos($get['header'], "200 OK") !== false)
+		if($get['status'] === 200)
 		{
 			$this->identifier = $get['body']['identifier'];
 			$this->status = $get['body']['status'];
@@ -85,7 +85,7 @@ public function __construct($connector, $log, $authorizationURL)
 	public function updateData()
 	{
 		$get = $this->connector->get($this->authorizationURL);
-		if(strpos($get['header'], "200 OK") !== false)
+		if($get['status'] === 200)
 		{
 			$this->identifier = $get['body']['identifier'];
 			$this->status = $get['body']['status'];
diff --git a/src/LEConnector.php b/src/LEConnector.php
index 47e2dfd..019c50f 100644
--- a/src/LEConnector.php
+++ b/src/LEConnector.php
@@ -87,7 +87,7 @@ private function getLEDirectory()
      */
 	private function getNewNonce()
 	{
-		if(strpos($this->head($this->newNonce)['header'], "200 OK") == false) throw new \RuntimeException('No new nonce.');
+		if($this->head($this->newNonce)['status'] !== 200) throw new \RuntimeException('No new nonce.');
 	}
 
     /**
@@ -97,7 +97,7 @@ private function getNewNonce()
      * @param string 	$URL 	The URL or partial URL to make the request to. If it is partial, the baseURL will be prepended.
      * @param object 	$data  	The body to attach to a POST request. Expected as a JSON encoded string.
      *
-     * @return array 	Returns an array with the keys 'request', 'header' and 'body'.
+     * @return array 	Returns an array with the keys 'request', 'header', 'status' and 'body'.
      */
 	private function request($method, $URL, $data = null)
 	{
@@ -132,20 +132,26 @@ private function request($method, $URL, $data = null)
             throw new \RuntimeException('Curl: ' . curl_error($handle));
         }
 
-        $header_size = curl_getinfo($handle, CURLINFO_HEADER_SIZE);
+        $headerSize = curl_getinfo($handle, CURLINFO_HEADER_SIZE);
+        $statusCode = curl_getinfo($handle, CURLINFO_HTTP_CODE);
 
-        $header = substr($response, 0, $header_size);
-        $body = substr($response, $header_size);
+        $header = substr($response, 0, $headerSize);
+        $body = substr($response, $headerSize);
 		$jsonbody = json_decode($body, true);
-		$jsonresponse = array('request' => $method . ' ' . $requestURL, 'header' => $header, 'body' => $jsonbody === null ? $body : $jsonbody);
+		$jsonresponse = array(
+            'request' => $method . ' ' . $requestURL,
+            'header' => $header,
+            'status' => $statusCode,
+            'body' => $jsonbody === null ? $body : $jsonbody,
+        );
 		if($this->log instanceof \Psr\Log\LoggerInterface) 
 		{
 			$this->log->debug($method . ' response received', $jsonresponse);
 		}
 		elseif($this->log >= LEClient::LOG_DEBUG) LEFunctions::log($jsonresponse);
 
-		if(	(($method == 'POST' OR $method == 'GET') AND strpos($header, "200 OK") === false AND strpos($header, "201 Created") === false) OR
-			($method == 'HEAD' AND strpos($header, "200 OK") === false))
+		if((($method == 'POST' OR $method == 'GET') AND $statusCode !== 200 AND $statusCode !== 201) OR
+			($method == 'HEAD' AND $statusCode !== 200))
 		{
 			throw new \RuntimeException('Invalid response, header: ' . $header);
 		}
@@ -167,7 +173,7 @@ private function request($method, $URL, $data = null)
      *
      * @param string	$url 	The URL or partial URL to make the request to. If it is partial, the baseURL will be prepended.
      *
-     * @return array 	Returns an array with the keys 'request', 'header' and 'body'.
+     * @return array 	Returns an array with the keys 'request', 'header', 'status' and 'body'.
      */
 	public function get($url)
 	{
@@ -180,7 +186,7 @@ public function get($url)
      * @param string 	$url	The URL or partial URL to make the request to. If it is partial, the baseURL will be prepended.
 	 * @param object 	$data	The body to attach to a POST request. Expected as a json string.
      *
-     * @return array 	Returns an array with the keys 'request', 'header' and 'body'.
+     * @return array 	Returns an array with the keys 'request', 'header', 'status' and 'body'.
      */
 	public function post($url, $data = null)
 	{
@@ -192,7 +198,7 @@ public function post($url, $data = null)
      *
      * @param string 	$url	The URL or partial URL to make the request to. If it is partial, the baseURL will be prepended.
      *
-     * @return array	Returns an array with the keys 'request', 'header' and 'body'.
+     * @return array	Returns an array with the keys 'request', 'header', 'status' and 'body'.
      */
 	public function head($url)
 	{
diff --git a/src/LEOrder.php b/src/LEOrder.php
index 3518091..d10a854 100644
--- a/src/LEOrder.php
+++ b/src/LEOrder.php
@@ -107,7 +107,7 @@ public function __construct($connector, $log, $certificateKeys, $basename, $doma
 			if (filter_var($this->orderURL, FILTER_VALIDATE_URL))
 			{
 				$get = $this->connector->get($this->orderURL);
-				if(strpos($get['header'], "200 OK") !== false && $get['body']['status'] != "invalid")
+				if($get['status'] === 200 && $get['body']['status'] != "invalid")
 				{
 					$orderdomains = array_map(function($ident) { return $ident['value']; }, $get['body']['identifiers']);
 					$diff = array_merge(array_diff($orderdomains, $domains), array_diff($domains, $orderdomains));
@@ -198,7 +198,7 @@ private function createOrder($domains, $notBefore, $notAfter)
 			$sign = $this->connector->signRequestKid($payload, $this->connector->accountURL, $this->connector->newOrder);
 			$post = $this->connector->post($this->connector->newOrder, $sign);
 
-			if(strpos($post['header'], "201 Created") !== false)
+			if($post['status'] === 201)
 			{
 				if(preg_match('~Location: (\S+)~i', $post['header'], $matches))
 				{
@@ -253,7 +253,7 @@ private function createOrder($domains, $notBefore, $notAfter)
 	private function updateOrderData()
 	{
 		$get = $this->connector->get($this->orderURL);
-		if(strpos($get['header'], "200 OK") !== false)
+		if($get['status'] === 200)
 		{
 			$this->status = $get['body']['status'];
 			$this->expires = $get['body']['expires'];
@@ -398,7 +398,7 @@ public function verifyPendingOrderAuthorization($identifier, $type, $localcheck
 								{
 									$sign = $this->connector->signRequestKid(array('keyAuthorization' => $keyAuthorization), $this->connector->accountURL, $challenge['url']);
 									$post = $this->connector->post($challenge['url'], $sign);
-									if(strpos($post['header'], "200 OK") !== false)
+									if($post['status'] === 200)
 									{
 										if($localcheck)
 										{
@@ -431,7 +431,7 @@ public function verifyPendingOrderAuthorization($identifier, $type, $localcheck
 								{
 									$sign = $this->connector->signRequestKid(array('keyAuthorization' => $keyAuthorization), $this->connector->accountURL, $challenge['url']);
 									$post = $this->connector->post($challenge['url'], $sign);
-									if(strpos($post['header'], "200 OK") !== false)
+									if($post['status'] === 200)
 									{
 										if($localcheck)
 										{
@@ -481,7 +481,7 @@ public function deactivateOrderAuthorization($identifier)
 			{
 				$sign = $this->connector->signRequestKid(array('status' => 'deactivated'), $this->connector->accountURL, $auth->authorizationURL);
 				$post = $this->connector->post($auth->authorizationURL, $sign);
-				if(strpos($post['header'], "200 OK") !== false)
+				if($post['status'] === 200)
 				{
 					if($this->log instanceof \Psr\Log\LoggerInterface) 
 					{
@@ -573,7 +573,7 @@ public function finalizeOrder($csr = '')
 				$csr = trim(LEFunctions::Base64UrlSafeEncode(base64_decode($csr)));
 				$sign = $this->connector->signRequestKid(array('csr' => $csr), $this->connector->accountURL, $this->finalizeURL);
 				$post = $this->connector->post($this->finalizeURL, $sign);
-				if(strpos($post['header'], "200 OK") !== false)
+				if($post['status'] === 200)
 				{
 					$this->status = $post['body']['status'];
 					$this->expires = $post['body']['expires'];
@@ -643,7 +643,7 @@ public function getCertificate()
 		if($this->status == 'valid' && !empty($this->certificateURL))
 		{
 			$get = $this->connector->get($this->certificateURL);
-			if(strpos($get['header'], "200 OK") !== false)
+			if($get['status'] === 200)
 			{
 				if(preg_match_all('~(-----BEGIN\sCERTIFICATE-----[\s\S]+?-----END\sCERTIFICATE-----)~i', $get['body'], $matches))
 				{
@@ -718,7 +718,7 @@ public function revokeCertificate($reason = 0)
 
 				$sign = $this->connector->signRequestJWK(array('certificate' => $certificate, 'reason' => $reason), $this->connector->revokeCert, $this->certificateKeys['private_key']);
 				$post = $this->connector->post($this->connector->revokeCert, $sign);
-				if(strpos($post['header'], "200 OK") !== false)
+				if($post['status'] === 200)
 				{
 					if($this->log instanceof \Psr\Log\LoggerInterface) 
 					{