diff --git a/app/Http/Controllers/AccountApiController.php b/app/Http/Controllers/AccountApiController.php
index fc90946135..193cf2d7c5 100644
--- a/app/Http/Controllers/AccountApiController.php
+++ b/app/Http/Controllers/AccountApiController.php
@@ -36,14 +36,14 @@ class AccountApiController extends BaseAPIController
     {
         if ( ! env(API_SECRET) || $request->api_secret !== env(API_SECRET)) {
             sleep(ERROR_DELAY);
-            return 'Invalid secret';
+            return $this->errorResponse(['message'=>'Invalid secret'],401);
         }
 
         if (Auth::attempt(['email' => $request->email, 'password' => $request->password])) {
             return $this->processLogin($request);
         } else {
             sleep(ERROR_DELAY);
-            return 'Invalid credentials';
+            return $this->errorResponse(['message'=>'Invalid credentials'],401);
         }
     }
 
diff --git a/app/Http/Controllers/BaseAPIController.php b/app/Http/Controllers/BaseAPIController.php
index 14f8dc79a9..3a3a1e0bec 100644
--- a/app/Http/Controllers/BaseAPIController.php
+++ b/app/Http/Controllers/BaseAPIController.php
@@ -113,13 +113,13 @@ class BaseAPIController extends Controller
         return Response::make($response, 200, $headers);
     }
 
-    protected  function errorResponse($response)
+    protected  function errorResponse($response, $httpErrorCode = 400)
     {
         $error['error'] = $response;
         $error = json_encode($error, JSON_PRETTY_PRINT);
         $headers = Utils::getApiHeaders();
 
-        return Response::make($error, 400, $headers);
+        return Response::make($error, $httpErrorCode, $headers);
 
     }
 
diff --git a/app/Http/Controllers/ClientApiController.php b/app/Http/Controllers/ClientApiController.php
index a3fea1435f..4bac332366 100644
--- a/app/Http/Controllers/ClientApiController.php
+++ b/app/Http/Controllers/ClientApiController.php
@@ -136,11 +136,11 @@ class ClientApiController extends BaseAPIController
     {
         if ($request->action == ACTION_ARCHIVE) {
 
-            try {
-                $client = Client::scope($publicId)->withTrashed()->firstOrFail();
-            } catch (ModelNotFoundException $e) {
+
+            $client = Client::scope($publicId)->withTrashed()->first();
+
+            if(!$client)
                 return $this->errorResponse(['message'=>'Record not found'], 400);
-            }
 
             $this->clientRepo->archive($client);
 
@@ -154,7 +154,7 @@ class ClientApiController extends BaseAPIController
             $client = Client::scope($publicId)->withTrashed()->first();
 
             if(!$client)
-                return $this->errorResponse(['message'=>'Client not found.']);
+                return $this->errorResponse(['message'=>'Client not found.'], 400);
 
             $this->clientRepo->restore($client);
 
@@ -173,7 +173,7 @@ class ClientApiController extends BaseAPIController
             ->first();
 
         if(!$client)
-            return $this->errorResponse(['message'=>'Client not found.']);
+            return $this->errorResponse(['message'=>'Client not found.'],400);
         
         $transformer = new ClientTransformer(Auth::user()->account, Input::get('serializer'));
         $data = $this->createItem($client, $transformer, ENTITY_CLIENT);
diff --git a/app/Http/Controllers/ExpenseApiController.php b/app/Http/Controllers/ExpenseApiController.php
new file mode 100644
index 0000000000..88ff5497ce
--- /dev/null
+++ b/app/Http/Controllers/ExpenseApiController.php
@@ -0,0 +1,64 @@
+<?php namespace App\Http\Controllers;
+// vendor
+use App\Models\Expense;
+use app\Ninja\Repositories\ExpenseRepository;
+use App\Ninja\Transformers\ExpenseTransformer;
+use App\Services\ExpenseService;
+use Utils;
+use Response;
+use Input;
+use Auth;
+
+
+class ExpenseApiController extends BaseAPIController
+{
+    // Expenses
+    protected $expenseRepo;
+    protected $expenseService;
+
+    public function __construct(ExpenseRepository $expenseRepo, ExpenseService $expenseService)
+    {
+        parent::__construct();
+
+        $this->expenseRepo = $expenseRepo;
+        $this->expenseService = $expenseService;
+    }
+
+    public function index()
+    {
+
+        $expenses = Expense::scope()
+            ->withTrashed()
+            ->orderBy('created_at','desc');
+
+        $expenses = $expenses->paginate();
+
+        $transformer = new ExpenseTransformer(Auth::user()->account, Input::get('serializer'));
+        $paginator = Expense::scope()->withTrashed()->paginate();
+
+        $data = $this->createCollection($expenses, $transformer, ENTITY_EXPENSE, $paginator);
+
+        return $this->response($data);
+
+    }
+
+    public function update()
+    {
+        //stub
+
+    }
+
+    public function store()
+    {
+        //stub
+
+    }
+
+    public function destroy()
+    {
+        //stub
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/app/Http/Controllers/InvoiceApiController.php b/app/Http/Controllers/InvoiceApiController.php
index f6a5b9b60b..54e527385d 100644
--- a/app/Http/Controllers/InvoiceApiController.php
+++ b/app/Http/Controllers/InvoiceApiController.php
@@ -1,6 +1,7 @@
 <?php namespace App\Http\Controllers;
 
 use Auth;
+use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Facades\Request;
 use Utils;
 use Response;
@@ -282,12 +283,17 @@ class InvoiceApiController extends BaseAPIController
         $data = Input::all();
         $error = null;
 
-        $invoice = Invoice::scope($data['id'])->firstOrFail();
+        $invoice = Invoice::scope($data['id'])->withTrashed()->first();
+
+        if(!$invoice)
+            return $this->errorResponse(['message'=>'Invoice does not exist.'], 400);
+
+
+        $this->mailer->sendInvoice($invoice, false, false);
 
-        $this->mailer->sendInvoice($invoice);
 
         if($error) {
-            $response['error'] = "There was an error sending the invoice";
+            return $this->errorResponse(['message'=>'There was an error sending the invoice'], 400);
         }
         else {
             $response = json_encode(RESULT_SUCCESS, JSON_PRETTY_PRINT);
diff --git a/app/Http/Controllers/VendorApiController.php b/app/Http/Controllers/VendorApiController.php
index 80236226dd..e2cec175ba 100644
--- a/app/Http/Controllers/VendorApiController.php
+++ b/app/Http/Controllers/VendorApiController.php
@@ -48,6 +48,7 @@ class VendorApiController extends BaseAPIController
     {
         $vendors    = Vendor::scope()
                     ->with($this->getIncluded())
+                    ->withTrashed()
                     ->orderBy('created_at', 'desc')
                     ->paginate();
 
diff --git a/app/Http/routes.php b/app/Http/routes.php
index 04a34b2687..848d22bcdd 100644
--- a/app/Http/routes.php
+++ b/app/Http/routes.php
@@ -236,6 +236,7 @@ Route::group(['middleware' => 'api', 'prefix' => 'api/v1'], function()
     Route::resource('products', 'ProductApiController');
     Route::resource('tax_rates', 'TaxRateApiController');
     Route::resource('users', 'UserApiController');
+    Route::resource('expenses','ExpenseApiController');
 
     // Vendor
     Route::resource('vendors', 'VendorApiController');
diff --git a/app/Models/Vendor.php b/app/Models/Vendor.php
index a93fc6e5d7..ce21a64463 100644
--- a/app/Models/Vendor.php
+++ b/app/Models/Vendor.php
@@ -124,6 +124,11 @@ class Vendor extends EntityModel
         return $this->belongsTo('App\Models\Industry');
     }
 
+    public function expenses()
+    {
+        return $this->hasMany('App\Models\Expense','vendor_id','id');
+    }
+
     public function addVendorContact($data, $isPrimary = false)
     {
         $publicId = isset($data['public_id']) ? $data['public_id'] : false;
diff --git a/app/Ninja/Mailers/ContactMailer.php b/app/Ninja/Mailers/ContactMailer.php
index 8959602ce6..dc513c3e88 100644
--- a/app/Ninja/Mailers/ContactMailer.php
+++ b/app/Ninja/Mailers/ContactMailer.php
@@ -41,6 +41,8 @@ class ContactMailer extends Mailer
         $client = $invoice->client;
         $account = $invoice->account;
 
+        $response = null;
+
         if ($client->trashed()) {
             return trans('texts.email_errors.inactive_client');
         } elseif ($invoice->trashed()) {
diff --git a/app/Ninja/Transformers/ExpenseTransformer.php b/app/Ninja/Transformers/ExpenseTransformer.php
new file mode 100644
index 0000000000..26729f4ddb
--- /dev/null
+++ b/app/Ninja/Transformers/ExpenseTransformer.php
@@ -0,0 +1,29 @@
+<?php namespace App\Ninja\Transformers;
+
+use App\Models\Account;
+use App\Models\Expense;
+use League\Fractal;
+
+class ExpenseTransformer extends EntityTransformer
+{
+    public function transform(Expense $expense)
+    {
+        return [
+            'id' => (int) $expense->public_id,
+            'private_notes' => $expense->private_notes,
+            'public_notes' => $expense->public_notes,
+            'should_be_invoiced' => (bool) $expense->should_be_invoiced,
+            'updated_at' => $this->getTimestamp($expense->updated_at),
+            'archived_at' => $this->getTimestamp($expense->deleted_at),
+            'transaction_id' => $expense->transaction_id,
+            'bank_id' => $expense->bank_id,
+            'expense_currency_id' => (int) $expense->expense_currency_id,
+            'account_key' => $this->account->account_key,
+            'amount' => (float) $expense->amount,
+            'expense_date' => $expense->expense_date,
+            'exchange_rate' => (float) $expense->exchange_rate,
+            'invoice_currency_id' => (int) $expense->invoice_currency_id,
+            'is_deleted' => (bool) $expense->is_deleted,
+        ];
+    }
+}
\ No newline at end of file
diff --git a/app/Ninja/Transformers/VendorTransformer.php b/app/Ninja/Transformers/VendorTransformer.php
index c1714b27a1..f0b8fd0415 100644
--- a/app/Ninja/Transformers/VendorTransformer.php
+++ b/app/Ninja/Transformers/VendorTransformer.php
@@ -36,14 +36,15 @@ class VendorTransformer extends EntityTransformer
     */
 
     protected $availableIncludes = [
-        'contacts',
+        'vendorContacts',
         'invoices',
+        'expenses',
     ];
     
-    public function includeContacts(Vendor $vendor)
+    public function includeVendorContacts(Vendor $vendor)
     {
-        $transformer = new ContactTransformer($this->account, $this->serializer);
-        return $this->includeCollection($vendor->contacts, $transformer, ENTITY_CONTACT);
+        $transformer = new VendorContactTransformer($this->account, $this->serializer);
+        return $this->includeCollection($vendor->vendorContacts, $transformer, ENTITY_CONTACT);
     }
 
     public function includeInvoices(Vendor $vendor)
@@ -52,6 +53,12 @@ class VendorTransformer extends EntityTransformer
         return $this->includeCollection($vendor->invoices, $transformer, ENTITY_INVOICE);
     }
 
+    public function includeExpenses(Vendor $vendor)
+    {
+        $transformer = new ExpenseTransformer($this->account, $this->serializer);
+        return $this->includeCollection($vendor->expenses, $transformer, ENTITY_EXPENSE);
+    }
+
     public function transform(Vendor $vendor)
     {
         return [