diff --git a/composer.json b/composer.json
index f760f5c..41947b4 100644
--- a/composer.json
+++ b/composer.json
@@ -11,6 +11,7 @@
         "doctrine/doctrine-bundle": "^2.12",
         "doctrine/doctrine-migrations-bundle": "^3.3",
         "doctrine/orm": "^3.1",
+        "opis/json-schema": "^2.3",
         "phpdocumentor/reflection-docblock": "^5.4",
         "symfony/asset": "^7.0",
         "symfony/console": "^7.0",
diff --git a/composer.lock b/composer.lock
index a3c72ad..1ee82c1 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": "e1d68fda857d3a6a99a9c9d4e0c1c4dd",
+    "content-hash": "15539a85e57277b17ba1f864a4f4d0ee",
     "packages": [
         {
             "name": "composer/package-versions-deprecated",
@@ -174,16 +174,16 @@
         },
         {
             "name": "doctrine/collections",
-            "version": "2.2.1",
+            "version": "2.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/collections.git",
-                "reference": "420480fc085bc65f3c956af13abe8e7546f94813"
+                "reference": "d8af7f248c74f195f7347424600fd9e17b57af59"
             },
             "dist": {
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-                "url": "https://api.github.com/repos/doctrine/collections/zipball/420480fc085bc65f3c956af13abe8e7546f94813",
-                "reference": "420480fc085bc65f3c956af13abe8e7546f94813",
+                "url": "https://api.github.com/repos/doctrine/collections/zipball/d8af7f248c74f195f7347424600fd9e17b57af59",
+                "reference": "d8af7f248c74f195f7347424600fd9e17b57af59",
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             },
             "require": {
@@ -240,7 +240,7 @@
             ],
             "support": {
                 "issues": "https://github.com/doctrine/collections/issues",
-                "source": "https://github.com/doctrine/collections/tree/2.2.1"
+                "source": "https://github.com/doctrine/collections/tree/2.2.2"
             },
             "funding": [
                 {
@@ -256,7 +256,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-03-05T22:28:45+00:00"
+            "time": "2024-04-18T06:56:21+00:00"
         },
         {
             "name": "doctrine/dbal",
@@ -1057,16 +1057,16 @@
         },
         {
             "name": "doctrine/orm",
-            "version": "3.1.1",
+            "version": "3.1.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/doctrine/orm.git",
-                "reference": "9c560713925ac5859342e6ff370c4c997acf2fd4"
+                "reference": "f79d166a4e844beb9389f23bdb44abdbf58cec38"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/doctrine/orm/zipball/9c560713925ac5859342e6ff370c4c997acf2fd4",
-                "reference": "9c560713925ac5859342e6ff370c4c997acf2fd4",
+                "url": "https://api.github.com/repos/doctrine/orm/zipball/f79d166a4e844beb9389f23bdb44abdbf58cec38",
+                "reference": "f79d166a4e844beb9389f23bdb44abdbf58cec38",
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             },
             "require": {
@@ -1139,9 +1139,9 @@
             ],
             "support": {
                 "issues": "https://github.com/doctrine/orm/issues",
-                "source": "https://github.com/doctrine/orm/tree/3.1.1"
+                "source": "https://github.com/doctrine/orm/tree/3.1.2"
             },
-            "time": "2024-03-21T11:37:52+00:00"
+            "time": "2024-04-15T14:20:40+00:00"
         },
         {
             "name": "doctrine/persistence",
@@ -1606,6 +1606,196 @@
             ],
             "time": "2024-04-12T21:02:21+00:00"
         },
+        {
+            "name": "opis/json-schema",
+            "version": "2.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/opis/json-schema.git",
+                "reference": "c48df6d7089a45f01e1c82432348f2d5976f9bfb"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/opis/json-schema/zipball/c48df6d7089a45f01e1c82432348f2d5976f9bfb",
+                "reference": "c48df6d7089a45f01e1c82432348f2d5976f9bfb",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "opis/string": "^2.0",
+                "opis/uri": "^1.0",
+                "php": "^7.4 || ^8.0"
+            },
+            "require-dev": {
+                "ext-bcmath": "*",
+                "ext-intl": "*",
+                "phpunit/phpunit": "^9.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Opis\\JsonSchema\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "Apache-2.0"
+            ],
+            "authors": [
+                {
+                    "name": "Sorin Sarca",
+                    "email": "sarca_sorin@hotmail.com"
+                },
+                {
+                    "name": "Marius Sarca",
+                    "email": "marius.sarca@gmail.com"
+                }
+            ],
+            "description": "Json Schema Validator for PHP",
+            "homepage": "https://opis.io/json-schema",
+            "keywords": [
+                "json",
+                "json-schema",
+                "schema",
+                "validation",
+                "validator"
+            ],
+            "support": {
+                "issues": "https://github.com/opis/json-schema/issues",
+                "source": "https://github.com/opis/json-schema/tree/2.3.0"
+            },
+            "time": "2022-01-08T20:38:03+00:00"
+        },
+        {
+            "name": "opis/string",
+            "version": "2.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/opis/string.git",
+                "reference": "9ebf1a1f873f502f6859d11210b25a4bf5d141e7"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/opis/string/zipball/9ebf1a1f873f502f6859d11210b25a4bf5d141e7",
+                "reference": "9ebf1a1f873f502f6859d11210b25a4bf5d141e7",
+                "shasum": ""
+            },
+            "require": {
+                "ext-iconv": "*",
+                "ext-json": "*",
+                "php": "^7.4 || ^8.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Opis\\String\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "Apache-2.0"
+            ],
+            "authors": [
+                {
+                    "name": "Marius Sarca",
+                    "email": "marius.sarca@gmail.com"
+                },
+                {
+                    "name": "Sorin Sarca",
+                    "email": "sarca_sorin@hotmail.com"
+                }
+            ],
+            "description": "Multibyte strings as objects",
+            "homepage": "https://opis.io/string",
+            "keywords": [
+                "multi-byte",
+                "opis",
+                "string",
+                "string manipulation",
+                "utf-8"
+            ],
+            "support": {
+                "issues": "https://github.com/opis/string/issues",
+                "source": "https://github.com/opis/string/tree/2.0.1"
+            },
+            "time": "2022-01-14T15:42:23+00:00"
+        },
+        {
+            "name": "opis/uri",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/opis/uri.git",
+                "reference": "0f3ca49ab1a5e4a6681c286e0b2cc081b93a7d5a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/opis/uri/zipball/0f3ca49ab1a5e4a6681c286e0b2cc081b93a7d5a",
+                "reference": "0f3ca49ab1a5e4a6681c286e0b2cc081b93a7d5a",
+                "shasum": ""
+            },
+            "require": {
+                "opis/string": "^2.0",
+                "php": "^7.4 || ^8.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Opis\\Uri\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "Apache-2.0"
+            ],
+            "authors": [
+                {
+                    "name": "Marius Sarca",
+                    "email": "marius.sarca@gmail.com"
+                },
+                {
+                    "name": "Sorin Sarca",
+                    "email": "sarca_sorin@hotmail.com"
+                }
+            ],
+            "description": "Build, parse and validate URIs and URI-templates",
+            "homepage": "https://opis.io",
+            "keywords": [
+                "URI Template",
+                "parse url",
+                "punycode",
+                "uri",
+                "uri components",
+                "url",
+                "validate uri"
+            ],
+            "support": {
+                "issues": "https://github.com/opis/uri/issues",
+                "source": "https://github.com/opis/uri/tree/1.1.0"
+            },
+            "time": "2021-05-22T15:57:08+00:00"
+        },
         {
             "name": "phpdocumentor/reflection-common",
             "version": "2.2.0",
@@ -7112,34 +7302,34 @@
         },
         {
             "name": "twig/extra-bundle",
-            "version": "v3.8.0",
+            "version": "v3.9.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/twigphp/twig-extra-bundle.git",
-                "reference": "32807183753de0388c8e59f7ac2d13bb47311140"
+                "reference": "ef6869adf1fdab66f7e495771a7ba01496ffc0d5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twigphp/twig-extra-bundle/zipball/32807183753de0388c8e59f7ac2d13bb47311140",
-                "reference": "32807183753de0388c8e59f7ac2d13bb47311140",
+                "url": "https://api.github.com/repos/twigphp/twig-extra-bundle/zipball/ef6869adf1fdab66f7e495771a7ba01496ffc0d5",
+                "reference": "ef6869adf1fdab66f7e495771a7ba01496ffc0d5",
                 "shasum": ""
             },
             "require": {
                 "php": ">=7.2.5",
-                "symfony/framework-bundle": "^5.4|^6.0|^7.0",
-                "symfony/twig-bundle": "^5.4|^6.0|^7.0",
+                "symfony/framework-bundle": "^5.4|^6.4|^7.0",
+                "symfony/twig-bundle": "^5.4|^6.4|^7.0",
                 "twig/twig": "^3.0"
             },
             "require-dev": {
                 "league/commonmark": "^1.0|^2.0",
                 "symfony/phpunit-bridge": "^6.4|^7.0",
                 "twig/cache-extra": "^3.0",
-                "twig/cssinliner-extra": "^2.12|^3.0",
-                "twig/html-extra": "^2.12|^3.0",
-                "twig/inky-extra": "^2.12|^3.0",
-                "twig/intl-extra": "^2.12|^3.0",
-                "twig/markdown-extra": "^2.12|^3.0",
-                "twig/string-extra": "^2.12|^3.0"
+                "twig/cssinliner-extra": "^3.0",
+                "twig/html-extra": "^3.0",
+                "twig/inky-extra": "^3.0",
+                "twig/intl-extra": "^3.0",
+                "twig/markdown-extra": "^3.0",
+                "twig/string-extra": "^3.0"
             },
             "type": "symfony-bundle",
             "autoload": {
@@ -7170,7 +7360,7 @@
                 "twig"
             ],
             "support": {
-                "source": "https://github.com/twigphp/twig-extra-bundle/tree/v3.8.0"
+                "source": "https://github.com/twigphp/twig-extra-bundle/tree/v3.9.3"
             },
             "funding": [
                 {
@@ -7182,34 +7372,41 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-11-21T14:02:01+00:00"
+            "time": "2024-04-18T09:24:21+00:00"
         },
         {
             "name": "twig/twig",
-            "version": "v3.8.0",
+            "version": "v3.9.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "9d15f0ac07f44dc4217883ec6ae02fd555c6f71d"
+                "reference": "a842d75fed59cdbcbd3a3ad7fb9eb768fc350d58"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/9d15f0ac07f44dc4217883ec6ae02fd555c6f71d",
-                "reference": "9d15f0ac07f44dc4217883ec6ae02fd555c6f71d",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/a842d75fed59cdbcbd3a3ad7fb9eb768fc350d58",
+                "reference": "a842d75fed59cdbcbd3a3ad7fb9eb768fc350d58",
                 "shasum": ""
             },
             "require": {
                 "php": ">=7.2.5",
+                "symfony/deprecation-contracts": "^2.5|^3",
                 "symfony/polyfill-ctype": "^1.8",
                 "symfony/polyfill-mbstring": "^1.3",
                 "symfony/polyfill-php80": "^1.22"
             },
             "require-dev": {
                 "psr/container": "^1.0|^2.0",
-                "symfony/phpunit-bridge": "^5.4.9|^6.3|^7.0"
+                "symfony/phpunit-bridge": "^5.4.9|^6.4|^7.0"
             },
             "type": "library",
             "autoload": {
+                "files": [
+                    "src/Resources/core.php",
+                    "src/Resources/debug.php",
+                    "src/Resources/escaper.php",
+                    "src/Resources/string_loader.php"
+                ],
                 "psr-4": {
                     "Twig\\": "src/"
                 }
@@ -7242,7 +7439,7 @@
             ],
             "support": {
                 "issues": "https://github.com/twigphp/Twig/issues",
-                "source": "https://github.com/twigphp/Twig/tree/v3.8.0"
+                "source": "https://github.com/twigphp/Twig/tree/v3.9.3"
             },
             "funding": [
                 {
@@ -7254,7 +7451,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-11-21T18:54:41+00:00"
+            "time": "2024-04-18T11:59:33+00:00"
         },
         {
             "name": "webmozart/assert",
diff --git a/jsonSchema/createDinosaur.json b/jsonSchema/createDinosaur.json
new file mode 100644
index 0000000..d3a8e9e
--- /dev/null
+++ b/jsonSchema/createDinosaur.json
@@ -0,0 +1,60 @@
+{
+    "type": "object",
+    "title": "Dinausor create",
+    "description": "Input data for creating a new dinausor",
+    "properties": {
+        "name": {
+            "type": "string",
+            "title": "Name",
+            "description": "Name of the dinausor",
+            "maxLength": 255,
+            "exemples": [
+                "Aladar"
+            ]
+        },
+        "gender": {
+            "type": "string",
+            "title": "Gender",
+            "description": "Gender of the dinausor",
+            "maxLength": 255,
+            "pattern": "Male|Female",
+            "exemples": [
+                "Male",
+                "Female"
+            ]
+        },
+        "speciesId": {
+            "type": "integer",
+            "title": "Species ID",
+            "description": "Species of the dinausor",
+            "exclusiveMinimum": 0,
+            "exemples": [
+                0,
+                1,
+                2
+            ]
+        },
+        "age": {
+            "type": "integer",
+            "title": "Age",
+            "description": "Age of the dinausor",
+            "exclusiveMinimum": 0,
+            "exemples": [
+                56,
+                78,
+                80
+            ]
+        },
+        "eyesColor": {
+            "type": "string",
+            "title": "Eye color",
+            "description": "Eye color of the dinausor",
+            "maxLength": 255,
+            "exemples": [
+                "brown",
+                "blue",
+                "green"
+            ]
+        }
+    }
+}
diff --git a/src/Controller/API/Dinosaurs/Create.php b/src/Controller/API/Dinosaurs/Create.php
index 61f2249..fe7ec41 100644
--- a/src/Controller/API/Dinosaurs/Create.php
+++ b/src/Controller/API/Dinosaurs/Create.php
@@ -6,8 +6,11 @@
 
 use App\Entity\Dinosaur;
 use App\Entity\Species;
+use App\Validator\JsonSchema\Validator as JsonSchemaValidator;
+use App\Validator\JsonSchema\ValidationException as JsonSchemaValidationException;
 use Doctrine\Persistence\ManagerRegistry;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -17,15 +20,33 @@
 final class Create extends AbstractController
 {
     public function __construct(
-        private readonly SerializerInterface $serializer
+        private readonly SerializerInterface $serializer,
+        #[Autowire('%kernel.project_dir%/jsonSchema')]
+        private readonly string $jsonSchemaDir
     ) {
     }
 
     #[Route('/api/dinosaurs', methods: 'POST')]
-    public function __invoke(ManagerRegistry $manager, Request $request): Response
-    {
+    public function __invoke(
+        ManagerRegistry $manager,
+        Request $request,
+        JsonSchemaValidator $validator
+    ): Response {
         $dinosaurData = json_decode($request->getContent(), true);
 
+        try {
+            $validator->validate(
+                $dinosaurData,
+                $this->jsonSchemaDir . '/createDinosaur.json'
+            );
+        } catch (JsonSchemaValidationException $e) {
+            return new JsonResponse(
+                $e->getMessage(),
+                Response::HTTP_BAD_REQUEST,
+                json: true
+            );
+        }
+
         $species = $manager
             ->getRepository(Species::class)
             ->find($dinosaurData['speciesId']);
diff --git a/src/Validator/JsonSchema/Error.php b/src/Validator/JsonSchema/Error.php
new file mode 100644
index 0000000..b297252
--- /dev/null
+++ b/src/Validator/JsonSchema/Error.php
@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Validator\JsonSchema;
+
+final readonly class Error
+{
+    public function __construct(
+        private string $path,
+        private string $message
+    ) {
+    }
+
+    public function getPath(): string
+    {
+        return $this->path;
+    }
+
+    public function getMessage(): string
+    {
+        return $this->message;
+    }
+}
diff --git a/src/Validator/JsonSchema/Errors.php b/src/Validator/JsonSchema/Errors.php
new file mode 100644
index 0000000..3171e24
--- /dev/null
+++ b/src/Validator/JsonSchema/Errors.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Validator\JsonSchema;
+
+/**
+ * @implements IteratorAggregate<Error>
+ */
+final readonly class Errors implements \Countable, \IteratorAggregate
+{
+    /**
+     * @var array<Error>
+     */
+    private array $errors;
+
+    public function __construct(Error ...$errors)
+    {
+        $this->errors = $errors;
+    }
+
+    public function count(): int
+    {
+        return \count($this->errors);
+    }
+
+    /**
+     * @return ArrayIterator<int, Error>
+     */
+    public function getIterator(): \Iterator
+    {
+        return new \ArrayIterator($this->errors);
+    }
+}
diff --git a/src/Validator/JsonSchema/ValidationException.php b/src/Validator/JsonSchema/ValidationException.php
new file mode 100644
index 0000000..0bad005
--- /dev/null
+++ b/src/Validator/JsonSchema/ValidationException.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Validator\JsonSchema;
+
+use Symfony\Component\HttpFoundation\Exception\BadRequestException;
+
+final class ValidationException extends BadRequestException
+{
+    public function __construct(
+        private readonly Errors $errors
+    ) {
+        $data = [];
+
+        foreach ($errors as $error) {
+            $data[$error->getPath()] = $error->getMessage();
+        }
+
+        parent::__construct(json_encode($data, JSON_THROW_ON_ERROR));
+    }
+}
diff --git a/src/Validator/JsonSchema/Validator.php b/src/Validator/JsonSchema/Validator.php
new file mode 100644
index 0000000..f0e4fcf
--- /dev/null
+++ b/src/Validator/JsonSchema/Validator.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Validator\JsonSchema;
+
+use Opis\JsonSchema\Errors\ErrorFormatter;
+use Opis\JsonSchema\Errors\ValidationError;
+use Opis\JsonSchema\Validator as JsonSchemaValidator;
+
+final readonly class Validator
+{
+    private JsonSchemaValidator $validator;
+
+    public function __construct()
+    {
+        $this->validator = new JsonSchemaValidator();
+    }
+
+    /**
+     * @param mixed                               $data
+     * @param class-string<JsonSchema>|JsonSchema $schema
+     */
+    public function validate($data, $schemaPath): void
+    {
+        $data = json_decode(
+            json_encode(
+                $data,
+                JSON_THROW_ON_ERROR
+            ),
+            flags: JSON_THROW_ON_ERROR
+        );
+
+        $schema = json_decode(
+            json_encode(
+                \file_get_contents($schemaPath),
+                JSON_THROW_ON_ERROR
+            ),
+            flags: JSON_THROW_ON_ERROR
+        );
+
+        $result = $this->validator->validate($data, $schema);
+
+        if ($result->isValid()) {
+            return;
+        }
+
+        throw new ValidationException(
+            new Errors(
+                ...$this->yieldErrors($result->error())
+            )
+        );
+    }
+
+    /**
+     * @return iterable<Error>
+     */
+    private function yieldErrors(ValidationError $error): iterable
+    {
+        $formatter = new ErrorFormatter();
+
+        $errors = $formatter->format($error);
+
+        foreach ($errors as $field => $message) {
+            $formatted = sizeof($message) === 1
+                ? $message[0]
+                : json_encode($message);
+
+            yield new Error(
+                $field,
+                $formatted,
+            );
+        }
+    }
+}