diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 00000000..6e30299c
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,8 @@
+* text=auto
+
+/tests export-ignore
+/.gitattributes export-ignore
+/.gitignore export-ignore
+/phpunit.xml.dist export-ignore
+/README.markdown export-ignore
+/CHANGELOG.markdown export-ignore
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..c6653fb9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,32 @@
+# VI generated files
+.*.sw[a-z]
+*.un~
+Session.vim
+.DS_Store
+
+# IntelliJ Idea generated files
+*.ipr
+*.iws
+.idea
+*.iml
+*plugin.xml
+
+# Eclipse generated files
+*.pydevproject
+.project
+.metadata
+bin/**
+tmp/**
+tmp/**/*
+*~.nib
+.classpath
+.settings/
+.loadpath
+.git/
+build/
+.buildpath
+
+# Composer specific files
+composer.lock
+#composer.phar // TODO: Remove after release
+vendor/*
diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
new file mode 100644
index 00000000..a48fd43b
--- /dev/null
+++ b/CHANGELOG.markdown
@@ -0,0 +1,6 @@
+# Changelog
+
+## 1.0.0
+
+- Initialized git project.
+- Added bootstrap and composer support. 
\ No newline at end of file
diff --git a/IyzipayBootstrap.php b/IyzipayBootstrap.php
new file mode 100644
index 00000000..db020e6c
--- /dev/null
+++ b/IyzipayBootstrap.php
@@ -0,0 +1,183 @@
+<?php
+
+/**
+ * Iyzipay Spl class loader wrapper.
+ *
+ * @author Sabri Onur Tuzun
+ */
+class IyzipayBootstrap
+{
+
+    /**
+     * Inits and registers classes.
+     */
+    public static function init($includePath = "src")
+    {
+        $loader = new SplClassLoader("Iyzipay", $includePath);
+        $loader->register();
+    }
+}
+
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+/**
+ * SplClassLoader implementation that implements the technical interoperability
+ * standards for PHP 5.3 namespaces and class names.
+ *
+ * http://groups.google.com/group/php-standards/web/psr-0-final-proposal?pli=1
+ *
+ * // Example which loads classes for the Doctrine Common package in the
+ * // Doctrine\Common namespace.
+ * $classLoader = new SplClassLoader('Doctrine\Common', '/path/to/doctrine');
+ * $classLoader->register();
+ *
+ * @license http://www.opensource.org/licenses/mit-license.html MIT License
+ * @author Jonathan H. Wage <jonwage@gmail.com>
+ * @author Roman S. Borschel <roman@code-factory.org>
+ * @author Matthew Weier O'Phinney <matthew@zend.com>
+ * @author Kris Wallsmith <kris.wallsmith@gmail.com>
+ * @author Fabien Potencier <fabien.potencier@symfony-project.org>
+ */
+class SplClassLoader
+{
+    private $_fileExtension = '.php';
+    private $_namespace;
+    private $_includePath;
+    private $_namespaceSeparator = '\\';
+
+    /**
+     * Creates a new <tt>SplClassLoader</tt> that loads classes of the
+     * specified namespace.
+     *
+     * @param string $ns
+     *            The namespace to use.
+     * @param string $includePath
+     *            The base path.
+     */
+    public function __construct($ns = null, $includePath = null)
+    {
+        $this->_namespace = $ns;
+        $this->_includePath = $includePath;
+    }
+
+    /**
+     * Sets the namespace separator used by classes in the namespace of this class loader.
+     *
+     * @param string $sep
+     *            The separator to use.
+     */
+    public function setNamespaceSeparator($sep)
+    {
+        $this->_namespaceSeparator = $sep;
+    }
+
+    /**
+     * Gets the namespace separator used by classes in the namespace of this class loader.
+     *
+     * @return string $_namespaceSeparator
+     */
+    public function getNamespaceSeparator()
+    {
+        return $this->_namespaceSeparator;
+    }
+
+    /**
+     * Sets the base include path for all class files in the namespace of this class loader.
+     *
+     * @param string $includePath
+     */
+    public function setIncludePath($includePath)
+    {
+        $this->_includePath = $includePath;
+    }
+
+    /**
+     * Gets the base include path for all class files in the namespace of this class loader.
+     *
+     * @return string $includePath
+     */
+    public function getIncludePath()
+    {
+        return $this->_includePath;
+    }
+
+    /**
+     * Sets the file extension of class files in the namespace of this class loader.
+     *
+     * @param string $fileExtension
+     */
+    public function setFileExtension($fileExtension)
+    {
+        $this->_fileExtension = $fileExtension;
+    }
+
+    /**
+     * Gets the file extension of class files in the namespace of this class loader.
+     *
+     * @return string $fileExtension
+     */
+    public function getFileExtension()
+    {
+        return $this->_fileExtension;
+    }
+
+    /**
+     * Installs this class loader on the SPL autoload stack.
+     */
+    public function register()
+    {
+        spl_autoload_register(array(
+            $this,
+            'loadClass'
+        ));
+    }
+
+    /**
+     * Uninstalls this class loader from the SPL autoloader stack.
+     */
+    public function unregister()
+    {
+        spl_autoload_unregister(array(
+            $this,
+            'loadClass'
+        ));
+    }
+
+    /**
+     * Loads the given class or interface.
+     *
+     * @param string $className
+     *            The name of the class to load.
+     * @return void
+     */
+    public function loadClass($className)
+    {
+        if (null === $this->_namespace || $this->_namespace . $this->_namespaceSeparator === substr($className, 0, strlen($this->_namespace . $this->_namespaceSeparator))) {
+            $fileName = '';
+            if (false !== ($lastNsPos = strripos($className, $this->_namespaceSeparator))) {
+                $namespace = substr($className, 0, $lastNsPos);
+                $className = substr($className, $lastNsPos + 1);
+                $fileName = str_replace($this->_namespaceSeparator, DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
+            }
+            $fileName .= str_replace('_', DIRECTORY_SEPARATOR, $className) . $this->_fileExtension;
+
+            require ($this->_includePath !== null ? $this->_includePath . DIRECTORY_SEPARATOR : '') . $fileName;
+        }
+    }
+}
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 00000000..3f513ac8
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 - iyzico Ödeme Hizmetleri A.Ş.  (https://iyzico.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/README.markdown b/README.markdown
new file mode 100644
index 00000000..d455e728
--- /dev/null
+++ b/README.markdown
@@ -0,0 +1 @@
+# iyzipay API PHP Client
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100644
index 00000000..1b16f1d6
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,32 @@
+{
+  "name": "iyzico/iyzipay-php",
+  "type": "library",
+  "description": "iyzipay api php client",
+  "homepage": "https://github.com/iyzico/iyzipay-php",
+  "keywords": [
+    "iyzico",
+    "iyzipay",
+    "iyzico.com",
+    "iyzipay php",
+    "iyzipay api",
+    "iyzipay api php client",
+    "iyzipay api php"
+  ],
+  "license": "MIT",
+  "authors": [
+    {
+      "name": "Sabri Onur Tuzun",
+      "email": "onur.tuzun@iyzico.com",
+      "homepage": "http://www.iyzico.com"
+    }
+  ],
+  "require": {},
+  "require-dev": {
+    "phpunit/phpunit": "~4.0"
+  },
+  "autoload": {
+    "psr-0": {
+      "Iyzipay": "src/"
+    }
+  }
+}
diff --git a/composer.phar b/composer.phar
new file mode 100755
index 00000000..1f745ef3
Binary files /dev/null and b/composer.phar differ
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
new file mode 100644
index 00000000..c5a1efd5
--- /dev/null
+++ b/phpunit.xml.dist
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+         syntaxCheck="false"
+         bootstrap="tests/Bootstrap.php">
+
+    <testsuites>
+        <testsuite name="iyzipay api php client test suite">
+            <directory>./tests/Iyzipay/</directory>
+        </testsuite>
+    </testsuites>
+
+    <groups>
+        <exclude>
+            <group>functional</group>
+        </exclude>
+    </groups>
+
+    <filter>
+        <whitelist>
+            <directory suffix=".php">./src/Iyzipay/</directory>
+        </whitelist>
+    </filter>
+</phpunit>
diff --git a/samples/AutoloadBinNumberSample.php b/samples/AutoloadBinNumberSample.php
new file mode 100644
index 00000000..6d4adb2a
--- /dev/null
+++ b/samples/AutoloadBinNumberSample.php
@@ -0,0 +1,21 @@
+<?php
+
+require_once('../vendor/autoload.php');
+
+# create client configuration class
+$options = new \Iyzipay\Options();
+$options->setApiKey("api key");
+$options->setSecretKey("secret key");
+$options->setBaseUrl("https://stg.iyzipay.com");
+
+# create request class
+$request = new \Iyzipay\Request\RetrieveBinNumberRequest();
+$request->setLocale(\Iyzipay\Model\Locale::TR);
+$request->setConversationId("123456789");
+$request->setBinNumber("554960");
+
+# make request
+$binNumber = \Iyzipay\Model\BinNumber::retrieve($request, $options);
+
+# print response
+print_r($binNumber);
\ No newline at end of file
diff --git a/samples/BootstrapBinNumberSample.php b/samples/BootstrapBinNumberSample.php
new file mode 100644
index 00000000..256e4f9f
--- /dev/null
+++ b/samples/BootstrapBinNumberSample.php
@@ -0,0 +1,23 @@
+<?php
+
+require_once('../IyzipayBootstrap.php');
+
+IyzipayBootstrap::init();
+
+# create client configuration class
+$options = new \Iyzipay\Options();
+$options->setApiKey("api key");
+$options->setSecretKey("secret key");
+$options->setBaseUrl("https://stg.iyzipay.com");
+
+# create request class
+$request = new \Iyzipay\Request\RetrieveBinNumberRequest();
+$request->setLocale(\Iyzipay\Model\Locale::TR);
+$request->setConversationId("123456789");
+$request->setBinNumber("554960");
+
+# make request
+$binNumber = \Iyzipay\Model\BinNumber::retrieve($request, $options);
+
+# print response
+print_r($binNumber);
\ No newline at end of file
diff --git a/src/Iyzipay/BaseModel.php b/src/Iyzipay/BaseModel.php
new file mode 100644
index 00000000..5d5ae150
--- /dev/null
+++ b/src/Iyzipay/BaseModel.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Iyzipay;
+
+abstract class BaseModel implements JsonConvertible, RequestStringConvertible
+{
+    public function toJsonString()
+    {
+        return JsonBuilder::jsonEncode($this->getJsonObject());
+    }
+}
\ No newline at end of file
diff --git a/src/Iyzipay/HashGenerator.php b/src/Iyzipay/HashGenerator.php
new file mode 100644
index 00000000..b0d797a4
--- /dev/null
+++ b/src/Iyzipay/HashGenerator.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace Iyzipay;
+
+class HashGenerator
+{
+    public static function generateHash($apiKey, $secretKey, $randomString, Request $request)
+    {
+        $hashStr = $apiKey . $randomString . $secretKey . $request->toPKIRequestString();
+        return base64_encode(sha1($hashStr, true));
+    }
+}
\ No newline at end of file
diff --git a/src/Iyzipay/HttpClient.php b/src/Iyzipay/HttpClient.php
new file mode 100644
index 00000000..b023fc57
--- /dev/null
+++ b/src/Iyzipay/HttpClient.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace Iyzipay;
+
+class HttpClient
+{
+    public static function create()
+    {
+        return new HttpClient();
+    }
+
+    public function get($url, $header)
+    {
+        return $this->exchange($url, array(
+            CURLOPT_CUSTOMREQUEST => "GET",
+            CURLOPT_RETURNTRANSFER => true,
+            CURLOPT_VERBOSE => false,
+            CURLOPT_HEADER => false,
+            CURLOPT_HTTPHEADER => $header
+        ));
+    }
+
+    public function post($url, $header, $content)
+    {
+        return $this->exchange($url, array(
+            CURLOPT_CUSTOMREQUEST => "POST",
+            CURLOPT_POST => true,
+            CURLOPT_POSTFIELDS => $content,
+            CURLOPT_RETURNTRANSFER => true,
+            CURLOPT_VERBOSE => false,
+            CURLOPT_HEADER => false,
+            CURLOPT_HTTPHEADER => $header
+        ));
+    }
+
+    public function put($url, $header, $content)
+    {
+        return $this->exchange($url, array(
+            CURLOPT_CUSTOMREQUEST => "PUT",
+            CURLOPT_POSTFIELDS => $content,
+            CURLOPT_RETURNTRANSFER => true,
+            CURLOPT_VERBOSE => false,
+            CURLOPT_HEADER => false,
+            CURLOPT_HTTPHEADER => $header
+        ));
+    }
+
+    public function delete($url, $header, $content = null)
+    {
+        return $this->exchange($url, array(
+            CURLOPT_CUSTOMREQUEST => "DELETE",
+            CURLOPT_POSTFIELDS => $content,
+            CURLOPT_RETURNTRANSFER => true,
+            CURLOPT_VERBOSE => false,
+            CURLOPT_HEADER => false,
+            CURLOPT_HTTPHEADER => $header
+        ));
+    }
+
+    public function exchange($url, $options)
+    {
+        $ch = curl_init($url);
+        curl_setopt_array($ch, $options);
+        return curl_exec($ch);
+    }
+}
\ No newline at end of file
diff --git a/src/Iyzipay/IyzipayResource.php b/src/Iyzipay/IyzipayResource.php
new file mode 100644
index 00000000..48ac0d2b
--- /dev/null
+++ b/src/Iyzipay/IyzipayResource.php
@@ -0,0 +1,103 @@
+<?php
+
+namespace Iyzipay;
+
+class IyzipayResource
+{
+    private $status;
+    private $errorCode;
+    private $errorMessage;
+    private $errorGroup;
+    private $locale;
+    private $systemTime;
+    private $conversationId;
+
+    protected static function getHttpHeaders(Request $request, Options $options)
+    {
+        $header = array(
+            "Accept: application/json",
+            "Content-type: application/json",
+        );
+
+        $randomHeaderValue = uniqid();
+        array_push($header, "Authorization: " . IyzipayResource::prepareAuthorizationString($request, $options, $randomHeaderValue));
+        array_push($header, "x-iyzi-rnd: " . $randomHeaderValue);
+        return $header;
+    }
+
+    private static function prepareAuthorizationString(Request $request, Options $options, $randomHeaderValue)
+    {
+        $hash = HashGenerator::generateHash($options->getApiKey(), $options->getSecretKey(), $randomHeaderValue, $request);
+        return RequestHelper::formatHeaderString(array($options->getApiKey(), $hash));
+    }
+
+    public function getStatus()
+    {
+        return $this->status;
+    }
+
+    public function setStatus($status)
+    {
+        $this->status = $status;
+    }
+
+    public function getErrorCode()
+    {
+        return $this->errorCode;
+    }
+
+    public function setErrorCode($errorCode)
+    {
+        $this->errorCode = $errorCode;
+    }
+
+    public function getErrorMessage()
+    {
+        return $this->errorMessage;
+    }
+
+    public function setErrorMessage($errorMessage)
+    {
+        $this->errorMessage = $errorMessage;
+    }
+
+    public function getErrorGroup()
+    {
+        return $this->errorGroup;
+    }
+
+    public function setErrorGroup($errorGroup)
+    {
+        $this->errorGroup = $errorGroup;
+    }
+
+    public function getLocale()
+    {
+        return $this->locale;
+    }
+
+    public function setLocale($locale)
+    {
+        $this->locale = $locale;
+    }
+
+    public function getSystemTime()
+    {
+        return $this->systemTime;
+    }
+
+    public function setSystemTime($systemTime)
+    {
+        $this->systemTime = $systemTime;
+    }
+
+    public function getConversationId()
+    {
+        return $this->conversationId;
+    }
+
+    public function setConversationId($conversationId)
+    {
+        $this->conversationId = $conversationId;
+    }
+}
\ No newline at end of file
diff --git a/src/Iyzipay/JsonBuilder.php b/src/Iyzipay/JsonBuilder.php
new file mode 100644
index 00000000..5af6dd1f
--- /dev/null
+++ b/src/Iyzipay/JsonBuilder.php
@@ -0,0 +1,87 @@
+<?php
+
+namespace Iyzipay;
+
+class JsonBuilder
+{
+    private $json;
+
+    function __construct($json)
+    {
+        $this->json = $json;
+    }
+
+    public static function create()
+    {
+        return new JsonBuilder(array());
+    }
+
+    public static function fromJsonObject($json)
+    {
+        return new JsonBuilder($json);
+    }
+
+    /**
+     * @param $key
+     * @param $value
+     * @return JsonBuilder
+     */
+    public function add($key, $value = null)
+    {
+        if (isset($value)) {
+            if ($value instanceof JsonConvertible) {
+                $this->json[$key] = $value->getJsonObject();
+            } else {
+                $this->json[$key] = $value;
+            }
+        }
+        return $this;
+    }
+
+    /**
+     * @param $key
+     * @param $value
+     * @return JsonBuilder
+     */
+    public function addPrice($key, $value = null)
+    {
+        if (isset($value)) {
+            $this->json[$key] = RequestFormatter::formatPrice($value);
+        }
+        return $this;
+    }
+
+    /**
+     * @param $key
+     * @param array $array
+     * @return JsonBuilder
+     */
+    public function addArray($key, array $array = null)
+    {
+        if (isset($array)) {
+            foreach ($array as $index => $value) {
+                if ($value instanceof JsonConvertible) {
+                    $this->json[$key][$index] = $value->getJsonObject();
+                } else {
+                    $this->json[$key][$index] = $value;
+                }
+            }
+        }
+        return $this;
+    }
+
+    public function getObject()
+    {
+        return $this->json;
+    }
+
+    public static function jsonEncode($jsonObject)
+    {
+        return json_encode($jsonObject);
+    }
+
+    public static function jsonDecode($rawResult)
+    {
+        return json_decode($rawResult);
+    }
+}
\ No newline at end of file
diff --git a/src/Iyzipay/JsonConvertible.php b/src/Iyzipay/JsonConvertible.php
new file mode 100644
index 00000000..9c5180f8
--- /dev/null
+++ b/src/Iyzipay/JsonConvertible.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Iyzipay;
+
+interface JsonConvertible
+{
+    public function getJsonObject();
+
+    public function toJsonString();
+}
\ No newline at end of file
diff --git a/src/Iyzipay/Model/BinNumber.php b/src/Iyzipay/Model/BinNumber.php
new file mode 100644
index 00000000..6c36f73b
--- /dev/null
+++ b/src/Iyzipay/Model/BinNumber.php
@@ -0,0 +1,86 @@
+<?php
+
+namespace Iyzipay\Model;
+
+use Iyzipay\HttpClient;
+use Iyzipay\IyzipayResource;
+use Iyzipay\JsonBuilder;
+use Iyzipay\Model\Mapper\BinNumberMapper;
+use Iyzipay\Options;
+use Iyzipay\Request\RetrieveBinNumberRequest;
+
+class BinNumber extends IyzipayResource
+{
+    private $binNumber;
+    private $cardType;
+    private $cardAssociation;
+    private $cardFamily;
+    private $bankName;
+    private $bankCode;
+
+    public static function retrieve(RetrieveBinNumberRequest $request, Options $options)
+    {
+        $rawResult = HttpClient::create()->post($options->getBaseUrl() . "/payment/bin/check", parent::getHttpHeaders($request, $options), $request->toJsonString());
+        return BinNumberMapper::create()->map(new BinNumber(), JsonBuilder::jsonDecode($rawResult));
+    }
+
+    public function getBinNumber()
+    {
+        return $this->binNumber;
+    }
+
+    public function setBinNumber($binNumber)
+    {
+        $this->binNumber = $binNumber;
+    }
+
+    public function getCardType()
+    {
+        return $this->cardType;
+    }
+
+    public function setCardType($cardType)
+    {
+        $this->cardType = $cardType;
+    }
+
+    public function getCardAssociation()
+    {
+        return $this->cardAssociation;
+    }
+
+    public function setCardAssociation($cardAssociation)
+    {
+        $this->cardAssociation = $cardAssociation;
+    }
+
+    public function getCardFamily()
+    {
+        return $this->cardFamily;
+    }
+
+    public function setCardFamily($cardFamily)
+    {
+        $this->cardFamily = $cardFamily;
+    }
+
+    public function getBankName()
+    {
+        return $this->bankName;
+    }
+
+    public function setBankName($bankName)
+    {
+        $this->bankName = $bankName;
+    }
+
+    public function getBankCode()
+    {
+        return $this->bankCode;
+    }
+
+    public function setBankCode($bankCode)
+    {
+        $this->bankCode = $bankCode;
+    }
+}
\ No newline at end of file
diff --git a/src/Iyzipay/Model/Locale.php b/src/Iyzipay/Model/Locale.php
new file mode 100644
index 00000000..229bb819
--- /dev/null
+++ b/src/Iyzipay/Model/Locale.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Iyzipay\Model;
+
+class Locale
+{
+    const TR = "tr";
+    const EN = "en";
+}
\ No newline at end of file
diff --git a/src/Iyzipay/Model/Mapper/BinNumberMapper.php b/src/Iyzipay/Model/Mapper/BinNumberMapper.php
new file mode 100644
index 00000000..da372560
--- /dev/null
+++ b/src/Iyzipay/Model/Mapper/BinNumberMapper.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace Iyzipay\Model\Mapper;
+
+use Iyzipay\Model\BinNumber;
+
+class BinNumberMapper extends IyzipayResourceMapper
+{
+    public static function create()
+    {
+        return new BinNumberMapper();
+    }
+
+    public function map(BinNumber $binNumber, $jsonResult)
+    {
+        parent::map($binNumber, $jsonResult);
+
+        if (isset($jsonResult->binNumber)) {
+            $binNumber->setBinNumber($jsonResult->binNumber);
+        }
+        if (isset($jsonResult->cardType)) {
+            $binNumber->setCardType($jsonResult->cardType);
+        }
+        if (isset($jsonResult->cardAssociation)) {
+            $binNumber->setCardAssociation($jsonResult->cardAssociation);
+        }
+        if (isset($jsonResult->cardFamily)) {
+            $binNumber->setCardFamily($jsonResult->cardFamily);
+        }
+        if (isset($jsonResult->bankName)) {
+            $binNumber->setBankName($jsonResult->bankName);
+        }
+        if (isset($jsonResult->bankCode)) {
+            $binNumber->setBankCode($jsonResult->bankCode);
+        }
+        return $binNumber;
+    }
+}
\ No newline at end of file
diff --git a/src/Iyzipay/Model/Mapper/IyzipayResourceMapper.php b/src/Iyzipay/Model/Mapper/IyzipayResourceMapper.php
new file mode 100644
index 00000000..22a236a0
--- /dev/null
+++ b/src/Iyzipay/Model/Mapper/IyzipayResourceMapper.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace Iyzipay\Model\Mapper;
+
+use Iyzipay\IyzipayResource;
+
+class IyzipayResourceMapper
+{
+    public static function create()
+    {
+        return new IyzipayResourceMapper();
+    }
+
+    public function map(IyzipayResource $resource, $jsonResult)
+    {
+        if (isset($jsonResult->status)) {
+            $resource->setStatus($jsonResult->status);
+        }
+        if (isset($jsonResult->conversationId)) {
+            $resource->setConversationId($jsonResult->conversationId);
+        }
+        if (isset($jsonResult->errorCode)) {
+            $resource->setErrorCode($jsonResult->errorCode);
+        }
+        if (isset($jsonResult->errorMessage)) {
+            $resource->setErrorMessage($jsonResult->errorMessage);
+        }
+        if (isset($jsonResult->errorGroup)) {
+            $resource->setErrorGroup($jsonResult->errorGroup);
+        }
+        if (isset($jsonResult->locale)) {
+            $resource->setLocale($jsonResult->locale);
+        }
+        if (isset($jsonResult->systemTime)) {
+            $resource->setSystemTime($jsonResult->systemTime);
+        }
+        return $resource;
+    }
+}
\ No newline at end of file
diff --git a/src/Iyzipay/Model/Status.php b/src/Iyzipay/Model/Status.php
new file mode 100644
index 00000000..0616a17e
--- /dev/null
+++ b/src/Iyzipay/Model/Status.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Iyzipay\Model;
+
+class Status
+{
+    const SUCCESS = "success";
+    const FAILURE = "failure";
+}
\ No newline at end of file
diff --git a/src/Iyzipay/Options.php b/src/Iyzipay/Options.php
new file mode 100644
index 00000000..33ff5782
--- /dev/null
+++ b/src/Iyzipay/Options.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace Iyzipay;
+
+class Options
+{
+    private $apiKey;
+    private $secretKey;
+    private $baseUrl;
+
+    public function getApiKey()
+    {
+        return $this->apiKey;
+    }
+
+    public function setApiKey($apiKey)
+    {
+        $this->apiKey = $apiKey;
+    }
+
+    public function getSecretKey()
+    {
+        return $this->secretKey;
+    }
+
+    public function setSecretKey($secretKey)
+    {
+        $this->secretKey = $secretKey;
+    }
+
+    public function getBaseUrl()
+    {
+        return $this->baseUrl;
+    }
+
+    public function setBaseUrl($baseUrl)
+    {
+        $this->baseUrl = $baseUrl;
+    }
+}
\ No newline at end of file
diff --git a/src/Iyzipay/Request.php b/src/Iyzipay/Request.php
new file mode 100644
index 00000000..906c16e9
--- /dev/null
+++ b/src/Iyzipay/Request.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace Iyzipay;
+
+class Request extends BaseModel
+{
+    private $locale;
+    private $conversationId;
+
+    public function getLocale()
+    {
+        return $this->locale;
+    }
+
+    public function setLocale($locale)
+    {
+        $this->locale = $locale;
+    }
+
+    public function getConversationId()
+    {
+        return $this->conversationId;
+    }
+
+    public function setConversationId($conversationId)
+    {
+        $this->conversationId = $conversationId;
+    }
+
+    public function getJsonObject()
+    {
+        return JsonBuilder::create()
+            ->add("locale", $this->getLocale())
+            ->add("conversationId", $this->getConversationId())
+            ->getObject();
+    }
+
+    public function toPKIRequestString()
+    {
+        return RequestStringBuilder::newInstance()
+            ->append("locale", $this->getLocale())
+            ->append("conversationId", $this->getConversationId())
+            ->getRequestString();
+    }
+}
\ No newline at end of file
diff --git a/src/Iyzipay/Request/RetrieveBinNumberRequest.php b/src/Iyzipay/Request/RetrieveBinNumberRequest.php
new file mode 100644
index 00000000..a1b4425f
--- /dev/null
+++ b/src/Iyzipay/Request/RetrieveBinNumberRequest.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace Iyzipay\Request;
+
+use Iyzipay\JsonBuilder;
+use Iyzipay\RequestStringBuilder;
+use Iyzipay\Request;
+
+class RetrieveBinNumberRequest extends Request
+{
+    private $binNumber;
+
+    public function getBinNumber()
+    {
+        return $this->binNumber;
+    }
+
+    public function setBinNumber($binNumber)
+    {
+        $this->binNumber = $binNumber;
+    }
+
+    public function getJsonObject()
+    {
+        return JsonBuilder::fromJsonObject(parent::getJsonObject())
+            ->add("binNumber", $this->getBinNumber())
+            ->getObject();
+    }
+
+    public function toPKIRequestString()
+    {
+        return RequestStringBuilder::newInstance()
+            ->appendSuper(parent::toPKIRequestString())
+            ->append("binNumber", $this->getBinNumber())
+            ->getRequestString();
+    }
+}
\ No newline at end of file
diff --git a/src/Iyzipay/RequestFormatter.php b/src/Iyzipay/RequestFormatter.php
new file mode 100644
index 00000000..ac131238
--- /dev/null
+++ b/src/Iyzipay/RequestFormatter.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Iyzipay;
+
+class RequestFormatter
+{
+    public static function formatPrice($price)
+    {
+        if (strpos($price, ".") === false) {
+            return $price . ".0";
+        }
+        $subStrIndex = 0;
+        $priceReversed = strrev($price);
+        for ($i = 0; $i < strlen($priceReversed); $i++) {
+            if (strcmp($priceReversed[$i], "0") == 0) {
+                $subStrIndex = $i + 1;
+            } else if (strcmp($priceReversed[$i], ".") == 0) {
+                $priceReversed = "0" . $priceReversed;
+                break;
+            } else {
+                break;
+            }
+        }
+        return strrev(substr($priceReversed, $subStrIndex));
+    }
+}
diff --git a/src/Iyzipay/RequestHelper.php b/src/Iyzipay/RequestHelper.php
new file mode 100644
index 00000000..f6c72775
--- /dev/null
+++ b/src/Iyzipay/RequestHelper.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace Iyzipay;
+
+class RequestHelper
+{
+    const AUTHORIZATION_HEADER_NAME = "Authorization";
+    const RANDOM_HEADER_NAME = "x-iyzi-rnd";
+    const AUTHORIZATION_HEADER_STRING = "IYZWS %s:%s";
+    const RANDOM_STRING_SIZE = 8;
+
+    public static function formatHeaderString($args)
+    {
+        return vsprintf(self::AUTHORIZATION_HEADER_STRING, $args);
+    }
+}
\ No newline at end of file
diff --git a/src/Iyzipay/RequestStringBuilder.php b/src/Iyzipay/RequestStringBuilder.php
new file mode 100644
index 00000000..2850dc4a
--- /dev/null
+++ b/src/Iyzipay/RequestStringBuilder.php
@@ -0,0 +1,144 @@
+<?php
+
+namespace Iyzipay;
+
+class RequestStringBuilder
+{
+    private $requestString;
+
+    function __construct($requestString)
+    {
+        $this->requestString = $requestString;
+    }
+
+    public static function newInstance()
+    {
+        return new RequestStringBuilder("");
+    }
+
+    public static function fromRequestString($requestString)
+    {
+        return new RequestStringBuilder($requestString);
+    }
+
+    /**
+     * @param $superRequestString
+     * @return RequestStringBuilder
+     */
+    public function appendSuper($superRequestString)
+    {
+        if (isset($superRequestString)) {
+            $superRequestString = substr($superRequestString, 1);
+            $superRequestString = substr($superRequestString, 0, -1);
+
+            if (strlen($superRequestString) > 0) {
+                $this->requestString = $this->requestString . $superRequestString . ",";
+            }
+        }
+        return $this;
+    }
+
+    /**
+     * @param $key
+     * @param $value
+     * @return RequestStringBuilder
+     */
+    public function append($key, $value = null)
+    {
+        if (isset($value)) {
+            if ($value instanceof RequestStringConvertible) {
+                $this->appendKeyValue($key, $value->toPKIRequestString());
+            } else {
+                $this->appendKeyValue($key, $value);
+            }
+        }
+        return $this;
+    }
+
+    /**
+     * @param $key
+     * @param $value
+     * @return RequestStringBuilder
+     */
+    public function appendPrice($key, $value = null)
+    {
+        if (isset($value)) {
+            $this->appendKeyValue($key, RequestFormatter::formatPrice($value));
+        }
+        return $this;
+    }
+
+    /**
+     * @param $key
+     * @param array $array
+     * @return RequestStringBuilder
+     */
+    public function appendArray($key, array $array = null)
+    {
+        if (isset($array)) {
+            $appendedValue = "";
+            foreach ($array as $value) {
+                if ($value instanceof RequestStringConvertible) {
+                    $appendedValue = $appendedValue . $value->toPKIRequestString();
+                } else {
+                    $appendedValue = $appendedValue . $value;
+                }
+                $appendedValue = $appendedValue . ", ";
+            }
+            $this->appendKeyValueArray($key, $appendedValue);
+        }
+        return $this;
+    }
+
+    /**
+     * @param $key
+     * @param $value
+     * @return RequestStringBuilder
+     */
+    private function appendKeyValue($key, $value)
+    {
+        if (isset($value)) {
+            $this->requestString = $this->requestString . $key . "=" . $value . ",";
+        }
+        return $this;
+    }
+
+    /**
+     * @param $key
+     * @param $value
+     * @return RequestStringBuilder
+     */
+    private function appendKeyValueArray($key, $value)
+    {
+        if (isset($value)) {
+            $value = substr($value, 0, -2);
+            $this->requestString = $this->requestString . $key . "=[" . $value . "],";
+        }
+        return $this;
+    }
+
+    /**
+     * @return RequestStringBuilder
+     */
+    private function appendPrefix()
+    {
+        $this->requestString = "[" . $this->requestString . "]";
+        return $this;
+    }
+
+    /**
+     * @return RequestStringBuilder
+     */
+    private function removeTrailingComma()
+    {
+        $this->requestString = substr($this->requestString, 0, -1);
+        return $this;
+    }
+
+    public function getRequestString()
+    {
+        $this->removeTrailingComma();
+        $this->appendPrefix();
+        return $this->requestString;
+    }
+}
\ No newline at end of file
diff --git a/src/Iyzipay/RequestStringConvertible.php b/src/Iyzipay/RequestStringConvertible.php
new file mode 100644
index 00000000..b72da3fa
--- /dev/null
+++ b/src/Iyzipay/RequestStringConvertible.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Iyzipay;
+
+interface RequestStringConvertible
+{
+    public function toPKIRequestString();
+}
\ No newline at end of file
diff --git a/tests/Bootstrap.php b/tests/Bootstrap.php
new file mode 100644
index 00000000..1cdcba04
--- /dev/null
+++ b/tests/Bootstrap.php
@@ -0,0 +1,19 @@
+<?php
+
+function includeIfExists($file)
+{
+    if (file_exists($file)) {
+        return include $file;
+    }
+    return '';
+}
+
+if ((!$loader = includeIfExists(__DIR__ . '/../vendor/autoload.php')) && (!$loader = includeIfExists(__DIR__ . '/../../../.composer/autoload.php'))) {
+    die ('You must set up the project dependencies, run the following commands:' .
+        PHP_EOL . 'curl -s http://getcomposer.org/installer | php' .
+        PHP_EOL . 'php composer.phar install' . PHP_EOL);
+}
+
+$loader->add('Iyzipay\Tests', __DIR__);
+
+return $loader;
diff --git a/tests/Iyzipay/Tests/OptionsTest.php b/tests/Iyzipay/Tests/OptionsTest.php
new file mode 100644
index 00000000..2c136e3c
--- /dev/null
+++ b/tests/Iyzipay/Tests/OptionsTest.php
@@ -0,0 +1,16 @@
+<?php
+
+class OptionsTest extends PHPUnit_Framework_TestCase
+{
+    public function test_should_set_and_retrieve_fields()
+    {
+        $options = new \Iyzipay\Options();
+        $options->setApiKey("api key");
+        $options->setSecretKey("secret key");
+        $options->setBaseUrl("base url");
+
+        $this->assertEquals("api key", $options->getApiKey());
+        $this->assertEquals("secret key", $options->getSecretKey());
+        $this->assertEquals("base url", $options->getBaseUrl());
+    }
+}
\ No newline at end of file