API URL Update & Error Message fix

src/ClientBuilder.php

@@ -57,7 +57,7 @@ final class ClientBuilder implements LoggerAwareInterface
 
     private const DEFAULT_TIMEOUT = 60;
 
-    private const STANDARD_BASE_URL = 'https://app.shipandco.com';
+    private const STANDARD_BASE_URL = 'https://api.shipandco.com';
 
     private const PACKAGE_NAME = 'ShipAndCo-SDK';
     private const VERSION_INFO = '$Format:%h%d by %an +%ae$';

src/Requests/AddressesRequest.php

@@ -39,6 +39,6 @@ final class AddressesRequest implements Request
     use RequestCore;
 
     private const METHOD = 'GET';
-    private const ADDRESS = '/api/v1/addresses';
+    private const ADDRESS = '/v1/addresses';
     private const RESPONSE = AddressesResponse::class;
 }

src/Requests/CarriersRequest.php

@@ -39,6 +39,6 @@ final class CarriersRequest implements Request
     use RequestCore;
 
     private const METHOD = 'GET';
-    private const ADDRESS = '/api/v1/carriers';
+    private const ADDRESS = '/v1/carriers';
     private const RESPONSE = CarriersResponse::class;
 }

src/Requests/CreateShipmentRequest.php

@@ -45,6 +45,6 @@ final class CreateShipmentRequest implements JsonRequest
     use ShipmentFields;
 
     private const METHOD = 'POST';
-    private const ADDRESS = '/api/v1/shipments';
+    private const ADDRESS = '/v1/shipments';
     private const RESPONSE = ShipmentResponse::class;
 }

src/Requests/RatesRequest.php

@@ -43,6 +43,6 @@ final class RatesRequest implements JsonRequest
     use ShipmentFields;
 
     private const METHOD = 'POST';
-    private const ADDRESS = '/api/v1/rates';
+    private const ADDRESS = '/v1/rates';
     private const RESPONSE = RatesResponse::class;
 }

src/Requests/WarehousesRequest.php

@@ -39,6 +39,6 @@ final class WarehousesRequest implements Request
     use RequestCore;
 
     private const METHOD = 'GET';
-    private const ADDRESS = '/api/v1/addresses';
+    private const ADDRESS = '/v1/addresses';
     private const RESPONSE = AddressesResponse::class;
 }

src/Responses/Bad/ErrorResponse/Detail.php

@@ -88,6 +88,6 @@ public function getErrorCode(): ?string
 
     public function getMessage(): string
     {
-        return $this->message;
+        return $this->message ?? '';
     }
 }