diff --git a/composer.json b/composer.json
index 4c2871e..1a46dca 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
     "prefer-stable": true,
     "minimum-stability": "dev",
     "require": {
-        "php": ">=8.1",
+        "php": ">=8.2",
         "psr/http-message": "^2.0",
         "psr/http-factory": "^1.0",
         "psr/http-client": "^1.0",
@@ -30,14 +30,15 @@
         "guzzlehttp/guzzle": "^7.7"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.5",
+        "friendsofphp/php-cs-fixer": "dev-master",
         "php-coveralls/php-coveralls": "dev-master",
+        "phpmd/phpmd": "dev-master",
+        "phpunit/phpunit": "^9.5",
+        "psalm/plugin-phpunit": "dev-master",
         "squizlabs/php_codesniffer": "4.0.x-dev",
+        "symfony/var-dumper": "^7.0",
         "theseer/phpdox": "dev-master",
-        "vimeo/psalm": "4.x-dev",
-        "psalm/plugin-phpunit": "dev-master",
-        "friendsofphp/php-cs-fixer": "dev-master",
-        "phpmd/phpmd": "dev-master"
+        "vimeo/psalm": "4.x-dev"
     },
     "license": "MIT",
     "autoload": {
diff --git a/composer.lock b/composer.lock
index 9495c77..c75084f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "7b4d769d4a5f2d82e7f4661336d60a51",
+    "content-hash": "46e18e53f9dec4a61f1c2a9ffd2cb025",
     "packages": [
         {
             "name": "clue/stream-filter",
@@ -5774,6 +5774,89 @@
             ],
             "time": "2023-11-28T20:41:49+00:00"
         },
+        {
+            "name": "symfony/var-dumper",
+            "version": "v7.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/var-dumper.git",
+                "reference": "cf0220fc7607476fd0d001ab3ed9e830d1fdda56"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/cf0220fc7607476fd0d001ab3ed9e830d1fdda56",
+                "reference": "cf0220fc7607476fd0d001ab3ed9e830d1fdda56",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=8.2",
+                "symfony/polyfill-mbstring": "~1.0"
+            },
+            "conflict": {
+                "symfony/console": "<6.4"
+            },
+            "require-dev": {
+                "ext-iconv": "*",
+                "symfony/console": "^6.4|^7.0",
+                "symfony/http-kernel": "^6.4|^7.0",
+                "symfony/process": "^6.4|^7.0",
+                "symfony/uid": "^6.4|^7.0",
+                "twig/twig": "^3.0.4"
+            },
+            "bin": [
+                "Resources/bin/var-dump-server"
+            ],
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "Resources/functions/dump.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Component\\VarDumper\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Provides mechanisms for walking through any arbitrary PHP variable",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "debug",
+                "dump"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/var-dumper/tree/v7.0.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2023-11-27T12:39:18+00:00"
+        },
         {
             "name": "symfony/var-exporter",
             "version": "v6.4.1",
@@ -6342,18 +6425,18 @@
     "aliases": [],
     "minimum-stability": "dev",
     "stability-flags": {
+        "friendsofphp/php-cs-fixer": 20,
         "php-coveralls/php-coveralls": 20,
+        "phpmd/phpmd": 20,
+        "psalm/plugin-phpunit": 20,
         "squizlabs/php_codesniffer": 20,
         "theseer/phpdox": 20,
-        "vimeo/psalm": 20,
-        "psalm/plugin-phpunit": 20,
-        "friendsofphp/php-cs-fixer": 20,
-        "phpmd/phpmd": 20
+        "vimeo/psalm": 20
     },
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=8.1"
+        "php": ">=8.2"
     },
     "platform-dev": [],
     "platform-overrides": {
diff --git a/public/index.php b/public/index.php
new file mode 100644
index 0000000..fe2867d
--- /dev/null
+++ b/public/index.php
@@ -0,0 +1,35 @@
+<?php
+
+use GuzzleHttp\Client;
+use Laminas\Diactoros\RequestFactory;
+use Psr\Http\Client\ClientInterface;
+use Psr\Http\Message\RequestFactoryInterface;
+use VasilDakov\Econt\Configuration;
+use VasilDakov\Econt\Econt;
+
+chdir(dirname(__DIR__));
+
+// Decline static file requests back to the PHP built-in webserver
+if (php_sapi_name() === 'cli-server') {
+    $path = realpath(__DIR__ . parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH));
+    if (is_string($path) && __FILE__ !== $path && is_file($path)) {
+        return false;
+    }
+    unset($path);
+}
+
+// Composer autoloading
+include __DIR__ . '/../vendor/autoload.php';
+
+
+$configuration = new Configuration('iasp-dev','1Asp-dev');
+
+/** @var ClientInterface $client */
+$client = new Client();
+
+/** @var RequestFactoryInterface $factory */
+$factory = new RequestFactory();
+
+$econt = new Econt($configuration, $client, $factory);
+
+dump(json_decode($econt->getClientProfiles()));
\ No newline at end of file
diff --git a/src/Configuration.php b/src/Configuration.php
new file mode 100644
index 0000000..d522323
--- /dev/null
+++ b/src/Configuration.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace VasilDakov\Econt;
+
+final class Configuration
+{
+    public function __construct(
+        public string $username,
+        public string $password,
+    ) {
+    }
+}
diff --git a/src/Constants.php b/src/Constants.php
new file mode 100644
index 0000000..35f36bc
--- /dev/null
+++ b/src/Constants.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace VasilDakov\Econt;
+
+final class Constants
+{
+    public const CITY                             = 'city';
+    public const CITY_ID                          = 'cityID';
+    public const ADDRESS                          = 'address';
+    public const DATE                             = 'date';
+    public const COUNTRY_CODE                     = 'countryCode';
+    public const SHIPMENT_TYPE                    = 'shipmentType';
+    public const SERVICE_OFFICE                   = 'serviceOffice';
+    public const SERVICE_OFFICE_LATITUDE          = 'serviceOfficeLatitude';
+    public const SERVICE_OFFICE_LONGITUDE         = 'serviceOfficeLongitude';
+    public const SERVICE_OFFICE_CLIENTS_WORK_TIME = 'serviceOfficeClientsWorkTimes';
+    public const SERVICE_OFFICE_COURIER_WORK_TIME = 'serviceOfficeCourierWorkTimes';
+    public const SERVICE_OFFICE_TIME              = 'serviceOfficeTime';
+}
diff --git a/src/Econt.php b/src/Econt.php
index 82f9204..a7ce211 100644
--- a/src/Econt.php
+++ b/src/Econt.php
@@ -4,14 +4,154 @@
 
 namespace VasilDakov\Econt;
 
+use Fig\Http\Message\RequestMethodInterface;
+use Psr\Http\Client\ClientExceptionInterface;
+use Psr\Http\Client\ClientInterface;
+use Psr\Http\Message\RequestFactoryInterface;
+use Psr\Http\Message\RequestInterface;
+
 /**
  * Class Econt
  *
  * @author Vasil Dakov <vasildakov@gmail.com>
  */
-final class Econt
+final class Econt implements EcontInterface
 {
-    public function __construct()
+    public const API_URL = 'https://demo.econt.com';
+
+    public function __construct(
+        private readonly Configuration $configuration,
+        private readonly ClientInterface $client,
+        private readonly RequestFactoryInterface $factory
+    ) {
+    }
+
+    /**
+     * @throws ClientExceptionInterface
+     */
+    public function getClientProfiles(): string
+    {
+        $request = $this->createRequest(
+            RequestMethodInterface::METHOD_POST,
+            self::API_URL . '/ee/services/Profile/ProfileService.getClientProfiles.json',
+            []
+        );
+
+        $response = $this->client->sendRequest($request);
+
+        return $response->getBody()->getContents();
+    }
+
+    /**
+     * @throws ClientExceptionInterface
+     */
+    public function getCountries(): string
+    {
+        $request = $this->createRequest(
+            RequestMethodInterface::METHOD_POST,
+            self::API_URL . '/ee/services/Nomenclatures/NomenclaturesService.getCountries.json',
+            []
+        );
+
+        $response = $this->client->sendRequest($request);
+
+        return $response->getBody()->getContents();
+    }
+
+    /**
+     * @throws ClientExceptionInterface
+     */
+    public function getCities(array $data): string
+    {
+        $request = $this->createRequest(
+            RequestMethodInterface::METHOD_POST,
+            self::API_URL . '/ee/services/Nomenclatures/NomenclaturesService.getCities.json',
+            [
+                Constants::COUNTRY_CODE => $data['countryCode']
+            ]
+        );
+
+        $response = $this->client->sendRequest($request);
+
+        return $response->getBody()->getContents();
+    }
+
+    public function getOffices(array $data): string
+    {
+        $request = $this->createRequest(
+            RequestMethodInterface::METHOD_POST,
+            self::API_URL . '/ee/services/Nomenclatures/NomenclaturesService.getOffices.json',
+            [
+                Constants::COUNTRY_CODE => $data['countryCode'],
+                Constants::CITY_ID => $data['cityId'],
+            ]
+        );
+
+        $response = $this->client->sendRequest($request);
+
+        return $response->getBody()->getContents();
+    }
+
+
+    public function getShipmentStatuses(array $data): string
+    {
+        $request = $this->createRequest(
+            RequestMethodInterface::METHOD_POST,
+            self::API_URL . '/ee/services/Shipments/ShipmentService.getShipmentStatuses.json',
+            $data
+        );
+
+        $response = $this->client->sendRequest($request);
+
+        return $response->getBody()->getContents();
+    }
+
+
+    /**
+     * @param string $method
+     * @param string $uri
+     * @param array $data
+     * @return RequestInterface
+     */
+    private function createRequest(string $method, string $uri, array $data): RequestInterface
+    {
+        $request = $this->factory->createRequest($method, $uri);
+
+        $request = $request->withAddedHeader('Content-Type', 'application/json');
+        $request = $request->withAddedHeader(
+            'Authorization',
+            'Basic ' . base64_encode(
+                $this->configuration->username . ":" . $this->configuration->password
+            )
+        );
+
+        $request->getBody()->write(json_encode($data));
+
+        return $request;
+    }
+
+    public function getStreets(array $data): string
+    {
+        return '';
+    }
+
+    public function getQuarters(array $data): string
+    {
+        return '';
+    }
+
+    public function createLabel(array $data): string
+    {
+        return '';
+    }
+
+    public function createLabels(array $data): string
+    {
+        return '';
+    }
+
+    public function deleteLabels(array $data): string
     {
+        return '';
     }
 }
diff --git a/src/EcontInterface.php b/src/EcontInterface.php
new file mode 100644
index 0000000..b88cee6
--- /dev/null
+++ b/src/EcontInterface.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace VasilDakov\Econt;
+
+interface EcontInterface
+{
+    public function getClientProfiles(): string;
+
+    public function getCountries(): string;
+
+    public function getCities(array $data): string;
+
+    public function getOffices(array $data): string;
+
+    public function getStreets(array $data): string;
+
+    public function getQuarters(array $data): string;
+
+
+    public function createLabel(array $data): string;
+
+    public function createLabels(array $data): string;
+
+    public function deleteLabels(array $data): string;
+
+    public function getShipmentStatuses(array $data): string;
+}
diff --git a/src/Exception/InvalidArgumentException.php b/src/Exception/InvalidArgumentException.php
new file mode 100644
index 0000000..30213e2
--- /dev/null
+++ b/src/Exception/InvalidArgumentException.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace VasilDakov\Econt\Exception;
+
+class InvalidArgumentException extends \InvalidArgumentException
+{
+
+}
\ No newline at end of file
diff --git a/src/Exception/LogicException.php b/src/Exception/LogicException.php
new file mode 100644
index 0000000..b26349e
--- /dev/null
+++ b/src/Exception/LogicException.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace VasilDakov\Econt\Exception;
+
+class LogicException extends \LogicException
+{
+
+}
\ No newline at end of file
diff --git a/src/Exception/RuntimeException.php b/src/Exception/RuntimeException.php
new file mode 100644
index 0000000..ad8ff16
--- /dev/null
+++ b/src/Exception/RuntimeException.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace VasilDakov\Econt\Exception;
+
+class RuntimeException extends \RuntimeException
+{
+
+}
\ No newline at end of file
diff --git a/src/Exception/UnexpectedValueException.php b/src/Exception/UnexpectedValueException.php
new file mode 100644
index 0000000..fb0e6d0
--- /dev/null
+++ b/src/Exception/UnexpectedValueException.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace VasilDakov\Econt\Exception;
+
+class UnexpectedValueException extends \UnexpectedValueException
+{
+
+}
\ No newline at end of file
diff --git a/src/Model/City.php b/src/Model/City.php
new file mode 100644
index 0000000..6c3446a
--- /dev/null
+++ b/src/Model/City.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace VasilDakov\Econt\Model;
+
+readonly class City
+{
+    public function __construct(
+        public ?int $id,
+        public ?string $name,
+        public ?string $postCode
+    ) {
+    }
+
+    public static function fromArray(array $data = []): self
+    {
+        $id       = $data['id'] ?? null;
+        $name     = $data['name'] ?? null;
+        $postCode = $data['postCode'] ?? null;
+
+        return new self($id, $name, $postCode);
+    }
+
+    public function toArray(): array
+    {
+        return get_object_vars($this);
+    }
+}
diff --git a/src/Model/Country.php b/src/Model/Country.php
index dbf2e97..8efd02a 100644
--- a/src/Model/Country.php
+++ b/src/Model/Country.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace VasilDakov\Econt\Model;
 
 final class Country
@@ -29,4 +31,13 @@ public static function fromArray(array $data): Country
 
         return new Country($id, $code2, $code3, $name, $nameEn, $isEU);
     }
+
+    public static function fromArray2(array $data = []): Country
+    {
+        foreach (get_object_vars($obj = new self) as $property => $default) {
+            if (!array_key_exists($property, $data)) continue;
+            $obj->{$property} = $data[$property]; // assign value to object
+        }
+        return $obj;
+    }
 }
diff --git a/src/Model/Office.php b/src/Model/Office.php
new file mode 100644
index 0000000..d090ab3
--- /dev/null
+++ b/src/Model/Office.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace VasilDakov\Econt\Model;
+
+class Office
+{
+
+}
\ No newline at end of file
diff --git a/test/Model/CityTest.php b/test/Model/CityTest.php
new file mode 100644
index 0000000..83f8037
--- /dev/null
+++ b/test/Model/CityTest.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace VasilDakov\EcontTest\Model;
+
+use PHPUnit\Framework\TestCase;
+use VasilDakov\Econt\Model\City;
+
+class CityTest extends TestCase
+{
+    /**
+     * @test
+     */
+    public function itCanBeCreatedFromArray(): void
+    {
+        $city = City::fromArray($this->getData());
+
+        self::assertInstanceOf(City::class, $city);
+    }
+
+    /**
+     * @test
+     */
+    public function itCanBeCreatedFromEmptyArray(): void
+    {
+        $city = City::fromArray([]);
+
+        self::assertInstanceOf(City::class, $city);
+    }
+
+
+    /**
+     * @test
+     */
+    public function itCanBeConvertedToArray(): void
+    {
+        $city = City::fromArray([]);
+        $array = $city->toArray();
+
+        self::assertIsArray($array);
+        self::assertArrayHasKey('id', $array);
+        self::assertArrayHasKey('name', $array);
+        self::assertArrayHasKey('postCode', $array);
+    }
+
+
+    private function getData(): array
+    {
+        return [
+            "id" => 204964,
+            "name" => "Sofia",
+            "postCode" => "1000",
+        ];
+    }
+}
\ No newline at end of file
diff --git a/test/Model/CountryTest.php b/test/Model/CountryTest.php
index 1c7740d..4a7b971 100644
--- a/test/Model/CountryTest.php
+++ b/test/Model/CountryTest.php
@@ -1,11 +1,13 @@
 <?php
 
+declare(strict_types=1);
+
 namespace VasilDakov\EcontTest\Model;
 
 use PHPUnit\Framework\TestCase;
 use VasilDakov\Econt\Model\Country;
 
-class CountryTest extends TestCase
+final class CountryTest extends TestCase
 {
     /**
      * @test