diff --git a/src/Builders/Builder.php b/src/Builders/Builder.php
index d3b137a..c59f7bf 100644
--- a/src/Builders/Builder.php
+++ b/src/Builders/Builder.php
@@ -13,7 +13,7 @@
 
 class Builder
 {
-	private   $request;
+    protected $request;
 	protected $entity;
 	protected $responseClass  = PaginatedResponse::class;
 
diff --git a/src/Builders/DepositAccountBuilder.php b/src/Builders/DepositAccountBuilder.php
new file mode 100755
index 0000000..7e2124f
--- /dev/null
+++ b/src/Builders/DepositAccountBuilder.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace LasseRafn\Dinero\Builders;
+
+use LasseRafn\Dinero\Exceptions\DineroRequestException;
+use LasseRafn\Dinero\Exceptions\DineroServerException;
+use LasseRafn\Dinero\Models\DepositAccount;
+
+class DepositAccountBuilder extends Builder
+{
+    protected $entity = 'accounts/deposit';
+    protected $model = DepositAccount::class;
+
+    /**
+     * @inheritDoc
+     */
+    public function get($parameters = '')
+    {
+        try {
+            $dineroApiResponse = $this->request->curl->get("{$this->entity}{$parameters}");
+
+            $jsonResponse = json_decode($dineroApiResponse->getBody()->getContents());
+        } catch (ClientException $exception) {
+            throw new DineroRequestException($exception);
+        } catch (ServerException $exception) {
+            throw new DineroServerException($exception);
+        }
+
+        $request = $this->request;
+
+        $items = array_map(function ($item) use ($request) {
+            return new $this->model($request, $item);
+        }, $jsonResponse);
+
+        return (object)['items' => $items];
+    }
+}
diff --git a/src/Builders/EntryAccountBuilder.php b/src/Builders/EntryAccountBuilder.php
new file mode 100755
index 0000000..7b37fcb
--- /dev/null
+++ b/src/Builders/EntryAccountBuilder.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace LasseRafn\Dinero\Builders;
+
+use LasseRafn\Dinero\Exceptions\DineroRequestException;
+use LasseRafn\Dinero\Exceptions\DineroServerException;
+use LasseRafn\Dinero\Models\EntryAccount;
+
+class EntryAccountBuilder extends Builder
+{
+    protected $entity = 'accounts/entry';
+    protected $model = EntryAccount::class;
+
+    /**
+     * @inheritDoc
+     */
+    public function get($parameters = '')
+    {
+        try {
+            $dineroApiResponse = $this->request->curl->get("{$this->entity}{$parameters}");
+
+            $jsonResponse = json_decode($dineroApiResponse->getBody()->getContents());
+        } catch (ClientException $exception) {
+            throw new DineroRequestException($exception);
+        } catch (ServerException $exception) {
+            throw new DineroServerException($exception);
+        }
+
+        $request = $this->request;
+
+        $items = array_map(function ($item) use ($request) {
+            return new $this->model($request, $item);
+        }, $jsonResponse);
+
+        return (object)['items' => $items];
+    }
+}
diff --git a/src/Builders/PurchaseVoucherBuilder.php b/src/Builders/PurchaseVoucherBuilder.php
new file mode 100644
index 0000000..0161eec
--- /dev/null
+++ b/src/Builders/PurchaseVoucherBuilder.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace LasseRafn\Dinero\Builders;
+
+use LasseRafn\Dinero\Models\PurchaseVoucher;
+
+class PurchaseVoucherBuilder extends Builder
+{
+    protected $entity = 'vouchers/purchase';
+    protected $model = PurchaseVoucher::class;
+}
diff --git a/src/Dinero.php b/src/Dinero.php
index b448d9e..2fa2267 100644
--- a/src/Dinero.php
+++ b/src/Dinero.php
@@ -6,16 +6,22 @@
 use GuzzleHttp\Exception\ServerException;
 use LasseRafn\Dinero\Builders\ContactBuilder;
 use LasseRafn\Dinero\Builders\CreditnoteBuilder;
+use LasseRafn\Dinero\Builders\DepositAccountBuilder;
+use LasseRafn\Dinero\Builders\EntryAccountBuilder;
 use LasseRafn\Dinero\Builders\InvoiceBuilder;
 use LasseRafn\Dinero\Builders\PaymentBuilder;
 use LasseRafn\Dinero\Builders\ProductBuilder;
+use LasseRafn\Dinero\Builders\PurchaseVoucherBuilder;
 use LasseRafn\Dinero\Exceptions\DineroRequestException;
 use LasseRafn\Dinero\Exceptions\DineroServerException;
 use LasseRafn\Dinero\Requests\ContactRequestBuilder;
 use LasseRafn\Dinero\Requests\CreditnoteRequestBuilder;
+use LasseRafn\Dinero\Requests\DepositAccountRequestBuilder;
+use LasseRafn\Dinero\Requests\EntryAccountRequestBuilder;
 use LasseRafn\Dinero\Requests\InvoiceRequestBuilder;
 use LasseRafn\Dinero\Requests\PaymentRequestBuilder;
 use LasseRafn\Dinero\Requests\ProductRequestBuilder;
+use LasseRafn\Dinero\Requests\PurchaseVoucherRequestBuilder;
 use LasseRafn\Dinero\Utils\Request;
 
 class Dinero
@@ -107,4 +113,20 @@ public function creditnotes()
     {
         return new CreditnoteRequestBuilder(new CreditnoteBuilder($this->request));
     }
+
+    public function entryAccounts() {
+
+        return new EntryAccountRequestBuilder(new EntryAccountBuilder($this->request));
+    }
+
+    public function depositAccounts() {
+
+        return new DepositAccountRequestBuilder(new DepositAccountBuilder($this->request));
+    }
+
+    public function purchaseVouchers()
+    {
+
+        return new PurchaseVoucherRequestBuilder(new PurchaseVoucherBuilder($this->request));
+    }
 }
diff --git a/src/Models/DepositAccount.php b/src/Models/DepositAccount.php
new file mode 100755
index 0000000..780802f
--- /dev/null
+++ b/src/Models/DepositAccount.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace LasseRafn\Dinero\Models;
+
+use LasseRafn\Dinero\Utils\Model;
+
+class DepositAccount extends Model
+{
+    protected $entity = 'accounts/deposit';
+    protected $primaryKey = 'AccountNumber';
+
+    public $AccountNumber;
+    public $Name;
+}
diff --git a/src/Models/EntryAccount.php b/src/Models/EntryAccount.php
new file mode 100755
index 0000000..fecc3ee
--- /dev/null
+++ b/src/Models/EntryAccount.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace LasseRafn\Dinero\Models;
+
+use LasseRafn\Dinero\Utils\Model;
+
+class EntryAccount extends Model
+{
+    protected $entity = 'accounts/entry';
+    protected $primaryKey = 'AccountNumber';
+
+    public $AccountNumber;
+    public $Name;
+    public $VatCode;
+    public $Category;
+    public $IsHidden;
+    public $IsDefaultSalesAccount;
+}
diff --git a/src/Models/PurchaseVoucher.php b/src/Models/PurchaseVoucher.php
new file mode 100644
index 0000000..4c976fb
--- /dev/null
+++ b/src/Models/PurchaseVoucher.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace LasseRafn\Dinero\Models;
+
+use LasseRafn\Dinero\Utils\Model;
+
+class PurchaseVoucher extends Model
+{
+    protected $entity = 'vouchers/purchase';
+    protected $primaryKey = 'Guid';
+
+    public $PaymentDate;
+    public $VoucherDate;
+    public $Status;
+    public $ContactGuid;
+    public $Guid;
+    public $TimeStamp;
+    public $VoucherNumber;
+    public $FileGuid;
+    public $RegionKey;
+    public $DepositAccountNumber;
+    public $ExternalReference;
+
+    /** @var array */
+    public $Lines;
+}
diff --git a/src/Requests/DepositAccountRequestBuilder.php b/src/Requests/DepositAccountRequestBuilder.php
new file mode 100755
index 0000000..037beba
--- /dev/null
+++ b/src/Requests/DepositAccountRequestBuilder.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace LasseRafn\Dinero\Requests;
+
+use LasseRafn\Dinero\Builders\Builder;
+use LasseRafn\Dinero\Utils\RequestBuilder;
+
+class DepositAccountRequestBuilder extends RequestBuilder
+{
+	public function __construct( Builder $builder ) {
+		$this->parameters['fields'] = 'Name,AccountNumber';
+
+		parent::__construct( $builder );
+	}
+}
diff --git a/src/Requests/EntryAccountRequestBuilder.php b/src/Requests/EntryAccountRequestBuilder.php
new file mode 100755
index 0000000..a1ca025
--- /dev/null
+++ b/src/Requests/EntryAccountRequestBuilder.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace LasseRafn\Dinero\Requests;
+
+use LasseRafn\Dinero\Builders\Builder;
+use LasseRafn\Dinero\Utils\RequestBuilder;
+
+class EntryAccountRequestBuilder extends RequestBuilder
+{
+	public function __construct( Builder $builder ) {
+		$this->parameters['fields'] = 'Name,AccountNumber,VatCode,Category,IsHidden,IsDefaultSalesAccount';
+
+		parent::__construct( $builder );
+	}
+}
diff --git a/src/Requests/PurchaseVoucherRequestBuilder.php b/src/Requests/PurchaseVoucherRequestBuilder.php
new file mode 100644
index 0000000..b3d9400
--- /dev/null
+++ b/src/Requests/PurchaseVoucherRequestBuilder.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace LasseRafn\Dinero\Requests;
+
+use LasseRafn\Dinero\Builders\Builder;
+use LasseRafn\Dinero\Utils\RequestBuilder;
+
+class PurchaseVoucherRequestBuilder extends RequestBuilder
+{
+    public function __construct(Builder $builder)
+    {
+        $this->parameters['fields'] = 'Number,Guid,ContactGuid,VoucherDate,PaymentDate,Status,Timestamp,VoucherNumber,FileGuid,RegionKey,$DepositAccountNumber,ExternalReference';
+
+        parent::__construct($builder);
+    }
+}
diff --git a/src/Utils/Model.php b/src/Utils/Model.php
index 6dacab1..68c1a0f 100644
--- a/src/Utils/Model.php
+++ b/src/Utils/Model.php
@@ -69,7 +69,7 @@ protected function setAttribute($attribute, $value)
     public function delete()
     {
         // todo test
-        return $this->request->curl->delete("/{$this->entity}/{$this->{$this->primaryKey}}");
+        return $this->request->curl->delete("{$this->entity}/{$this->{$this->primaryKey}}");
     }
 
     /**
@@ -81,8 +81,9 @@ public function delete()
      */
     public function update($data = [])
     {
-        // todo test
-        $response = $this->request->curl->put("/{$this->entity}/{$this->{$this->primaryKey}}", [
+        $data = array_merge($this->toArray(), $data);
+
+        $response = $this->request->curl->put("{$this->entity}/{$this->{$this->primaryKey}}", [
             'json' => $data,
         ]);
 
diff --git a/src/Utils/RequestBuilder.php b/src/Utils/RequestBuilder.php
index f4c1c7f..8a6ecb9 100644
--- a/src/Utils/RequestBuilder.php
+++ b/src/Utils/RequestBuilder.php
@@ -27,17 +27,12 @@ public function __construct( Builder $builder ) {
 	 * @return $this
 	 */
 	public function select( $fields ) {
-		if ( ! isset( $this->parameters['fields'] ) ) {
-			$this->parameters['fields'] = [];
-		}
 
-		if ( is_array( $fields ) ) {
-			foreach ( $fields as $field ) {
-				$this->parameters['fields'][] = $field;
-			}
-		} elseif ( is_string( $fields ) || is_int( $fields ) ) {
-			$this->parameters['fields'][] = $fields;
-		}
+        if (is_array($fields)) {
+            $this->parameters['fields'] = implode(',', $fields);
+        } elseif (is_string($fields) || is_int($fields)) {
+            $this->parameters['fields'] = $fields;
+        }
 
 		return $this;
 	}