diff --git a/composer.json b/composer.json
index abe228a..75671d3 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
     "minimum-stability": "stable",
     "prefer-stable": true,
     "require": {
-        "php": ">=8.2",
+        "php": ">=8.3",
         "ext-ctype": "*",
         "ext-iconv": "*",
         "doctrine/dbal": "^3",
diff --git a/config/services_test.yaml b/config/services_test.yaml
new file mode 100644
index 0000000..0f39803
--- /dev/null
+++ b/config/services_test.yaml
@@ -0,0 +1,10 @@
+services:
+  App\Service\Remote\BriloApiUsers:
+    public: true
+    autowire: true
+  App\Service\Remote\BriloApiComments:
+    public: true
+    autowire: true
+  App\Service\Remote\BriloApiPosts:
+    public: true
+    autowire: true
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 6c4bfed..2ce2bdc 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -18,8 +18,11 @@
     </php>
 
     <testsuites>
-        <testsuite name="Project Test Suite">
-            <directory>tests</directory>
+        <testsuite name="unit">
+            <directory>tests/Unit</directory>
+        </testsuite>
+        <testsuite name="integration">
+            <directory>tests/Integration</directory>
         </testsuite>
     </testsuites>
 
diff --git a/src/Entity/Remote/Brilo/Users/AddressGeo.php b/src/Entity/Remote/Brilo/Users/AddressGeo.php
index e5d06f6..ef00d97 100644
--- a/src/Entity/Remote/Brilo/Users/AddressGeo.php
+++ b/src/Entity/Remote/Brilo/Users/AddressGeo.php
@@ -7,8 +7,8 @@ namespace App\Entity\Remote\Brilo\Users;
 readonly class AddressGeo
 {
     public function __construct(
-        public float $lat,
-        public float $lng,
+        public string $lat,
+        public string $lng,
     ) {
     }
 }
diff --git a/src/Service/Remote/BriloApiComments.php b/src/Service/Remote/BriloApiComments.php
new file mode 100644
index 0000000..e6934f3
--- /dev/null
+++ b/src/Service/Remote/BriloApiComments.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Remote;
+
+use App\Entity\Remote\Brilo\Comments\Comment;
+use App\Entity\Remote\Brilo\Posts\Post;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\Serializer\SerializerInterface;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+
+class BriloApiComments
+{
+    use BriloApiFetchTrait;
+
+    public function __construct(
+        protected readonly HttpClientInterface $httpClient,
+        protected readonly LoggerInterface $logger,
+        protected readonly SerializerInterface $serializer,
+        protected readonly int $retryCount = 3,
+        protected readonly int $sleepTimeS = 1,
+    ) {
+    }
+
+    /**
+     * Fetch all comments from the Brilo API and return them as an array of Comment entities.
+     * @return Comment[]
+     * @throws \Exception
+     */
+    public function getComments(): array
+    {
+        return $this->fetchApiResponse('https://jsonplaceholder.typicode.com/comments', Comment::class);
+    }
+}
diff --git a/src/Service/Remote/BriloApiFetchTrait.php b/src/Service/Remote/BriloApiFetchTrait.php
new file mode 100644
index 0000000..ad27f8c
--- /dev/null
+++ b/src/Service/Remote/BriloApiFetchTrait.php
@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Remote;
+
+use App\Entity\Remote\Brilo\Users\User;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpClient\Exception\TransportException;
+use Symfony\Component\Serializer\SerializerInterface;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+
+trait BriloApiFetchTrait
+{
+    use RetryingClientTrait;
+
+    protected readonly int $retryCount;
+    protected readonly int $sleepTimeS;
+    protected readonly LoggerInterface $logger;
+    protected readonly HttpClientInterface $httpClient;
+    protected readonly SerializerInterface $serializer;
+
+    /**
+     * Implementation of fetch logic. Handles retrying and logging of failed requests.
+     * Returns deserialized data.
+     * @template T
+     *
+     * @param string $uri Uri of the API endpoint.
+     * @param class-string<T> $class Class name of the entity to deserialize data into.
+     *
+     * @return T[]
+     * @throws \Exception
+     */
+    protected function fetchApiResponse(string $uri, string $class): array
+    {
+        return $this->retryingFailRequest($this->retryCount, $this->sleepTimeS, [TransportException::class, BriloRemoteApiException::class], $this->logger, function () use ($uri, $class) {
+            $this->logger->debug('Trying to download brilo users');
+
+            $response = $this->httpClient->request('GET', $uri);
+
+            if ($response->getStatusCode() != 200) {
+                $this->logger->error("Can't download brilo users. HTTP status code: " . $response->getStatusCode());
+                throw new BriloRemoteApiException("Can't download brilo users. HTTP status code: " . $response->getStatusCode());
+            }
+
+            $this->logger->debug('Brilo users downloaded');
+
+            $this->logger->debug('Deserialize brilo users');
+
+            // extra attributes muzeme safe ignorovat
+            return $this->serializer->deserialize($response->getContent(), $class . '[]', 'json');
+        });
+    }
+}
diff --git a/src/Service/Remote/BriloApiPosts.php b/src/Service/Remote/BriloApiPosts.php
new file mode 100644
index 0000000..e08c3af
--- /dev/null
+++ b/src/Service/Remote/BriloApiPosts.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Remote;
+
+class BriloApiPosts
+{
+
+}
diff --git a/src/Service/Remote/BriloApiUsers.php b/src/Service/Remote/BriloApiUsers.php
new file mode 100644
index 0000000..ca5d0ab
--- /dev/null
+++ b/src/Service/Remote/BriloApiUsers.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Remote;
+
+use App\Entity\Remote\Brilo\Users\User;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpClient\Exception\TransportException;
+use Symfony\Component\Serializer\SerializerInterface;
+use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+
+final class BriloApiUsers
+{
+    use BriloApiFetchTrait;
+
+    public function __construct(
+        protected readonly HttpClientInterface $httpClient,
+        protected readonly LoggerInterface $logger,
+        protected readonly SerializerInterface $serializer,
+        protected readonly int $retryCount = 3,
+        protected readonly int $sleepTimeS = 1,
+    ) {
+    }
+
+    /**
+     * @return User[]
+     * @throws \Exception
+     */
+    public function getUsers(): array
+    {
+        return $this->fetchApiResponse('https://jsonplaceholder.typicode.com/users', User::class);
+    }
+}
diff --git a/src/Service/Remote/BriloRemoteApiException.php b/src/Service/Remote/BriloRemoteApiException.php
new file mode 100644
index 0000000..b629b5b
--- /dev/null
+++ b/src/Service/Remote/BriloRemoteApiException.php
@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Remote;
+
+/**
+ * Remote API exception (in case return code from API endpoint is not 200 - OK)
+ */
+class BriloRemoteApiException extends \RuntimeException
+{
+}
diff --git a/src/Service/Remote/RetryingClientTrait.php b/src/Service/Remote/RetryingClientTrait.php
new file mode 100644
index 0000000..cf820dd
--- /dev/null
+++ b/src/Service/Remote/RetryingClientTrait.php
@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Remote;
+
+use Exception;
+use Psr\Log\LoggerInterface;
+
+trait RetryingClientTrait
+{
+    /**
+     * Better to retry failed requests (in case of non-destructive operations) than throwing immediately.
+     *
+     * @param int $count
+     * @param float $sleep
+     * @param array<string> $catchableExceptions
+     * @param LoggerInterface $logger
+     * @param callable $callback
+     * @return mixed
+     * @throws Exception
+     */
+    protected function retryingFailRequest(
+        int $count,
+        float $sleep,
+        array $catchableExceptions,
+        LoggerInterface $logger,
+        callable $callback
+    ): mixed {
+        for ($i = 0;; $i++) {
+            try {
+                return $callback();
+            } catch (Exception $e) {
+                foreach ($catchableExceptions as $exceptionClass) {
+                    if ($e instanceof $exceptionClass) {
+                        $logger->error("transport: fail request retrying... got catchable exception", [
+                            'exception' => $e,
+                            'try' => $i
+                        ]);
+
+                        usleep((int) ($sleep * 1_000_000));
+
+                        if ($i == $count) {
+                            throw $e;
+                        }
+
+                        continue 2;
+                    }
+                }
+
+                throw $e;
+            }
+        }
+
+        // phpstan fail
+        return null;
+    }
+}
diff --git a/tests/Common/LoggerTrait.php b/tests/Common/LoggerTrait.php
new file mode 100644
index 0000000..f27fa74
--- /dev/null
+++ b/tests/Common/LoggerTrait.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Common;
+
+use Monolog\Handler\TestHandler;
+use Monolog\Logger;
+
+trait LoggerTrait
+{
+    /**
+     * @return Logger
+     */
+    protected function getLogger(): Logger
+    {
+        $logger = new Logger('test');
+        $logger->pushHandler(new TestHandler());
+        return $logger;
+    }
+}
diff --git a/tests/Integration/Service/Remote/BlogApiUsersTest.php b/tests/Integration/Service/Remote/BlogApiUsersTest.php
new file mode 100644
index 0000000..2a60daf
--- /dev/null
+++ b/tests/Integration/Service/Remote/BlogApiUsersTest.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Integration\Service\Remote;
+
+use App\Service\Remote\BriloApiUsers;
+use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+
+class BlogApiUsersTest extends KernelTestCase
+{
+    public function setUp(): void
+    {
+        parent::bootKernel();
+    }
+
+    public function testBlogApiUsersAreRetrieved(): void
+    {
+        /**
+         * @var BriloApiUsers $apiUsers
+         */
+        $apiUsers = static::getContainer()->get(BriloApiUsers::class);
+        $users = $apiUsers->getUsers();
+        $this->assertIsArray($users);
+        $this->assertGreaterThan(0, count($users));
+        // Tady bych dal jeste check na zaznam ktery vim ze vzdy existuje
+    }
+}
diff --git a/tests/Integration/Service/Remote/BriloApiCommentsTest.php b/tests/Integration/Service/Remote/BriloApiCommentsTest.php
new file mode 100644
index 0000000..b33f538
--- /dev/null
+++ b/tests/Integration/Service/Remote/BriloApiCommentsTest.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Integration\Service\Remote;
+
+use App\Service\Remote\BriloApiComments;
+use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+
+class BriloApiCommentsTest extends KernelTestCase
+{
+    public function setUp(): void
+    {
+        parent::bootKernel();
+    }
+
+    public function testBlogApiUsersAreRetrieved(): void
+    {
+        /**
+         * @var BriloApiComments $api
+         */
+        $api = static::getContainer()->get(BriloApiComments::class);
+        $users = $api->getComments();
+        $this->assertIsArray($users);
+        $this->assertGreaterThan(0, count($users));
+        // Tady bych dal jeste check na zaznam ktery vim ze vzdy existuje
+    }
+}
diff --git a/tests/Integration/Service/Remote/BriloApiPostsTest.php b/tests/Integration/Service/Remote/BriloApiPostsTest.php
new file mode 100644
index 0000000..cf3020a
--- /dev/null
+++ b/tests/Integration/Service/Remote/BriloApiPostsTest.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Integration\Service\Remote;
+
+use App\Service\Remote\BriloApiPosts;
+use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+
+class BriloApiPostsTest extends KernelTestCase
+{
+    public function setUp(): void
+    {
+        parent::bootKernel();
+    }
+
+    public function testBlogApiUsersAreRetrieved(): void
+    {
+        /**
+         * @var BriloApiPosts $api
+         */
+        $api = static::getContainer()->get(BriloApiPosts::class);
+        $users = $api->getPosts();
+        $this->assertIsArray($users);
+        $this->assertGreaterThan(0, count($users));
+        // Tady bych dal jeste check na zaznam ktery vim ze vzdy existuje
+    }
+}
diff --git a/tests/Unit/Service/Remote/BlogApiPostsTest.php b/tests/Unit/Service/Remote/BlogApiPostsTest.php
new file mode 100644
index 0000000..b485a7c
--- /dev/null
+++ b/tests/Unit/Service/Remote/BlogApiPostsTest.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Unit\Service\Remote;
+
+class BlogApiPostsTest
+{
+
+}
diff --git a/tests/Unit/Service/Remote/BriloApiCommentsTest.php b/tests/Unit/Service/Remote/BriloApiCommentsTest.php
new file mode 100644
index 0000000..85b99ff
--- /dev/null
+++ b/tests/Unit/Service/Remote/BriloApiCommentsTest.php
@@ -0,0 +1,98 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Unit\Service\Remote;
+
+use App\Entity\Remote\Brilo\Comments\Comment;
+use App\Entity\Remote\Brilo\Posts\Post;
+use App\Service\Remote\BriloApiComments;
+use App\Service\Remote\BriloApiPosts;
+use App\Service\Remote\BriloRemoteApiException;
+use App\Tests\Common\LoggerTrait;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpClient\MockHttpClient;
+use Symfony\Component\HttpClient\Response\JsonMockResponse;
+use Symfony\Component\Serializer\SerializerInterface;
+
+class BriloApiCommentsTest extends TestCase
+{
+    use LoggerTrait;
+
+    private const array API_COMMENTS_LIST = [
+        [
+            "postId" => 1,
+            "id" => 1,
+            "name" => "id labore ex et quam laborum",
+            "email" => "Eliseo@gardner.biz",
+            "body" => "laudantium enim quasi est quidem magnam voluptate ipsam eos
+tempora quo necessitatibus
+dolor quam autem quasi
+reiciendis et nam sapiente accusantium"
+        ],
+        [
+            "postId" => 1,
+            "id" => 2,
+            "name" => "quo vero reiciendis velit similique earum",
+            "email" => "Jayne_Kuhic@sydney.com",
+            "body" => "est natus enim nihil est dolore omnis voluptatem numquam
+et omnis occaecati quod ullam at
+voluptatem error expedita pariatur
+nihil sint nostrum voluptatem reiciendis et"
+        ]
+    ];
+
+    public function testCommentsListSuccess(): void
+    {
+        $testCommentsList = $this->buildTestCommentsList();
+        $serializer = $this->createMock(SerializerInterface::class);
+        $serializer
+            ->expects($this->once())
+            ->method('deserialize')
+            ->with(
+                json_encode(self::API_COMMENTS_LIST),
+                Comment::class . '[]',
+                'json'
+            )->willReturn($testCommentsList);
+
+        $response =  new JsonMockResponse(self::API_COMMENTS_LIST);
+        $mockedClient = new MockHttpClient($response);
+        $briloApiPosts = new BriloApiComments($mockedClient, $this->getLogger(), $serializer);
+        $this->assertEquals($testCommentsList, $briloApiPosts->getComments());
+    }
+
+    public function testInvalidHttpCodeReturned(): void
+    {
+        $serializer = $this->createMock(SerializerInterface::class);
+        $serializer
+            ->expects($this->never())
+            ->method('deserialize');
+
+        $response =  new JsonMockResponse(self::API_COMMENTS_LIST, [
+            'http_code' => 401,
+        ]);
+        $mockedClient = new MockHttpClient(function () use ($response) {
+            return $response;
+        });
+        $this->expectException(BriloRemoteApiException::class);
+        $briloApiPosts = new BriloApiComments($mockedClient, $this->getLogger(), $serializer);
+        $briloApiPosts->getComments();
+    }
+
+    /**
+     * @return Comment[]
+     */
+    public function buildTestCommentsList(): array
+    {
+        // Convert self::API_POSTS_LIST to Post[] and return it
+        return array_map(function ($postData) {
+            return new Comment(
+                $postData['id'],
+                $postData['postId'],
+                $postData['name'],
+                $postData['email'],
+                $postData['body']
+            );
+        }, self::API_COMMENTS_LIST);
+    }
+}
diff --git a/tests/Unit/Service/Remote/BriloApiUsersTest.php b/tests/Unit/Service/Remote/BriloApiUsersTest.php
new file mode 100644
index 0000000..57578a5
--- /dev/null
+++ b/tests/Unit/Service/Remote/BriloApiUsersTest.php
@@ -0,0 +1,142 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Unit\Service\Remote;
+
+use App\Entity\Remote\Brilo\Users\Address;
+use App\Entity\Remote\Brilo\Users\AddressGeo;
+use App\Entity\Remote\Brilo\Users\Company;
+use App\Entity\Remote\Brilo\Users\User;
+use App\Service\Remote\BriloApiUsers;
+use App\Service\Remote\BriloRemoteApiException;
+use App\Tests\Common\LoggerTrait;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpClient\MockHttpClient;
+use Symfony\Component\HttpClient\Response\JsonMockResponse;
+use Symfony\Component\Serializer\SerializerInterface;
+
+class BriloApiUsersTest extends TestCase
+{
+    use LoggerTrait;
+
+    private const array API_USER_LIST = [
+        [
+            "id" => 0,
+            "name" => "Leanne Graham",
+            "username" => "Bret",
+            "email" => "Sincere@april.biz",
+            "address" => [
+                "street" => "Kulas Light",
+                "suite" => "Apt. 555",
+                "city" => "Gwenborough",
+                "zipcode" => "92997-3874",
+                "geo" => [
+                    "lat" => "-38.3159",
+                    "lng" => "80.1496"
+                ]
+            ],
+            "phone" => "0-770-736-8031 x56442",
+            "website" => "hildegard.org",
+            "company" => [
+                "name" => "Romaguera-Crona",
+                "catchPhrase" => "Multi-layered client-server neural-net",
+                "bs" => "harness real-time e-markets"
+            ],
+        ],
+        [
+            "id" => 1,
+            "name" => "Ervin Howell",
+            "username" => "Antonette",
+            "email" => "Shanna@melissa.tv",
+            "address" => [
+                "street" => "Victor Plains",
+                "suite" => "Suite 878",
+                "city" => "Wisokyburgh",
+                "zipcode" => "90565-7771",
+                "geo" => [
+                    "lat" => "-44.9509",
+                    "lng" => "-35.4618"
+                ]
+            ],
+            "phone" => "009-692-6593 x09125",
+            "website" => "anastasia.net",
+            "company" => [
+                "name" => "Deckow-Crist",
+                "catchPhrase" => "Proactive didactic contingency",
+                "bs" => "synergize scalable supply-chains"
+            ],
+            "nonExistentKey" => "value"
+        ]
+    ];
+
+    public function testUserListSuccess(): void
+    {
+        $testUserList = $this->buildTestUserList();
+        $serializer = $this->createMock(SerializerInterface::class);
+        $serializer
+            ->expects($this->once())
+            ->method('deserialize')
+            ->with(
+                json_encode(self::API_USER_LIST),
+                User::class . '[]',
+                'json'
+            )->willReturn($testUserList);
+
+        $response =  new JsonMockResponse(self::API_USER_LIST);
+        $mockedClient = new MockHttpClient($response);
+        $briloApiUsers = new BriloApiUsers($mockedClient, $this->getLogger(), $serializer);
+        $this->assertEquals($testUserList, $briloApiUsers->getUsers());
+    }
+
+    public function testInvalidHttpCodeReturned(): void
+    {
+        $serializer = $this->createMock(SerializerInterface::class);
+        $serializer
+            ->expects($this->never())
+            ->method('deserialize');
+
+        $response =  new JsonMockResponse(self::API_USER_LIST, [
+            'http_code' => 401,
+        ]);
+        $mockedClient = new MockHttpClient(function () use ($response) {
+            return $response;
+        });
+        $this->expectException(BriloRemoteApiException::class);
+        $briloApiUsers = new BriloApiUsers($mockedClient, $this->getLogger(), $serializer);
+        $briloApiUsers->getUsers();
+    }
+
+    /**
+     * @return User[]
+     */
+    private function buildTestUserList(): array
+    {
+        // convert self::API_USER_LIST to User[]
+        return array_map(function ($userData) {
+            return new User(
+                $userData['id'],
+                $userData['name'],
+                $userData['username'],
+                $userData['email'],
+                $userData['phone'],
+                $userData['website'],
+                new Address(
+                    $userData['address']['street'],
+                    $userData['address']['suite'],
+                    $userData['address']['city'],
+                    $userData['address']['zipcode'],
+                    new AddressGeo(
+                        $userData['address']['geo']['lat'],
+                        $userData['address']['geo']['lng']
+                    )
+                ),
+                new Company(
+                    $userData['company']['name'],
+                    $userData['company']['catchPhrase'],
+                    $userData['company']['bs']
+                )
+            );
+        }, self::API_USER_LIST);
+    }
+}
diff --git a/tests/Unit/Service/Remote/RetryingClientTraitTest.php b/tests/Unit/Service/Remote/RetryingClientTraitTest.php
new file mode 100644
index 0000000..cb9d312
--- /dev/null
+++ b/tests/Unit/Service/Remote/RetryingClientTraitTest.php
@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Unit\Service\Remote;
+
+use App\Service\Remote\RetryingClientTrait;
+use App\Service\Remote\RetryingFailClientTrait;
+use App\Tests\Common\LoggerTrait;
+use PHPUnit\Framework\TestCase;
+
+class RetryingClientTraitTest extends TestCase
+{
+    use LoggerTrait;
+
+    private int $callCount = 0;
+
+    protected function setUp(): void
+    {
+        parent::setUp(); // TODO: Change the autogenerated stub
+        $this->callCount = 0;
+    }
+
+    public function testSuccess(): void
+    {
+        $trait = new class {
+            use RetryingClientTrait {
+                retryingFailRequest as public; // make the method public
+            }
+        };
+
+
+        $result = $trait->retryingFailRequest(2, 0, [\RuntimeException::class], $this->getLogger(), function () {
+            $this->callCount = $this->callCount + 1;
+            return 'foo';
+        });
+
+        $this->assertEquals(1, $this->callCount);
+        $this->assertEquals('foo', $result);
+    }
+    public function testRetyingFail(): void
+    {
+        $trait = new class {
+            use RetryingClientTrait {
+                retryingFailRequest as public; // make the method public
+            }
+        };
+
+
+        try {
+            $trait->retryingFailRequest(2, 0, [\RuntimeException::class], $this->getLogger(), function () {
+                $this->callCount = $this->callCount + 1;
+                throw new \RuntimeException("test");
+            });
+        } catch (\RuntimeException) {
+            // do nothing
+        }
+
+        $this->assertEquals(3, $this->callCount);
+    }
+    // extra attributes muzeme safe ignorovat
+}