diff --git a/README.md b/README.md
index dbb4129..e2667ca 100644
--- a/README.md
+++ b/README.md
@@ -5,12 +5,22 @@ Configuration (config/packages/api_platform_extras.yaml):
 ```yaml
 api_platform_extras:
   features:
-      http_cache: { enabled: false }
-      schema_decoration: { enabled: false }
-      simple_normalizer: { enabled: false }
-      jwt_refresh: { enabled: false }
-      iri_template_generator: { enabled: false }
-      schema_processor: { enabled: false }
+    http_cache:
+      enabled: false
+    schema_decoration:
+      enabled: false
+      #Mark schema properties as required by default when the type is not nullable.
+      default_required_properties: false
+      #Add @id as an optional property to all POST, PUT and PATCH schemas.
+      jsonld_update_schema: false
+    simple_normalizer:
+      enabled: false
+    jwt_refresh:
+      enabled: false
+    iri_template_generator:
+      enabled: false
+    schema_processor:
+      enabled: false
 ```
 
 Enable features by setting the corresponding flag to true.
diff --git a/src/ApiPlatform/JsonSchema/Metadata/Property/PropertyMetadataFactoryDecorator.php b/src/ApiPlatform/JsonSchema/Metadata/Property/PropertyMetadataFactoryDecorator.php
new file mode 100644
index 0000000..6b0c64b
--- /dev/null
+++ b/src/ApiPlatform/JsonSchema/Metadata/Property/PropertyMetadataFactoryDecorator.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Netgen\ApiPlatformExtras\ApiPlatform\JsonSchema\Metadata\Property;
+
+use ApiPlatform\JsonSchema\Schema;
+use ApiPlatform\Metadata\ApiProperty;
+use ApiPlatform\Metadata\Property\Factory\PropertyMetadataFactoryInterface;
+use Symfony\Component\TypeInfo\Type\NullableType;
+
+final class PropertyMetadataFactoryDecorator implements PropertyMetadataFactoryInterface
+{
+    public function __construct(
+        private PropertyMetadataFactoryInterface $decorated,
+    ) {}
+
+    public function create(string $resourceClass, string $property, array $options = []): ApiProperty
+    {
+        $propertyMetadata = $this->decorated->create($resourceClass, $property, $options);
+
+        $type = $propertyMetadata->getNativeType();
+
+        if (
+            ($options['schema_type'] ?? null) === Schema::TYPE_OUTPUT
+
+            && $type !== null && $type::class !== NullableType::class
+        ) {
+            return $propertyMetadata->withRequired(true);
+        }
+
+        return $propertyMetadata;
+    }
+}
diff --git a/src/ApiPlatform/JsonSchema/SchemaFactoryDecorator.php b/src/ApiPlatform/JsonSchema/SchemaFactoryDecorator.php
new file mode 100644
index 0000000..96e39c1
--- /dev/null
+++ b/src/ApiPlatform/JsonSchema/SchemaFactoryDecorator.php
@@ -0,0 +1,109 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Netgen\ApiPlatformExtras\ApiPlatform\JsonSchema;
+
+use ApiPlatform\JsonSchema\Schema;
+use ApiPlatform\JsonSchema\SchemaFactoryInterface;
+use ApiPlatform\JsonSchema\SchemaUriPrefixTrait;
+use ApiPlatform\Metadata\Operation;
+use ApiPlatform\Metadata\Patch;
+use ApiPlatform\Metadata\Post;
+use ApiPlatform\Metadata\Put;
+use ArrayObject;
+
+use function in_array;
+use function is_string;
+use function str_replace;
+
+final class SchemaFactoryDecorator implements SchemaFactoryInterface
+{
+    use SchemaUriPrefixTrait;
+
+    private const array SCHEMA_LOGICAL_OPERATORS = ['anyOf', 'oneOf', 'allOf'];
+
+    private const string JSONLD_INPUT_OBJECT_PROPERTY_NAME = '@id';
+
+    private const array JSONLD_INPUT_OBJECT_PROPERTY = [
+        'type' => 'string',
+        'format' => 'iri-reference',
+        'example' => 'https://example.com/',
+    ];
+
+    public function __construct(
+        private SchemaFactoryInterface $decorated,
+    ) {}
+
+    /** @param array<mixed> $serializerContext */
+    public function buildSchema(string $className, string $format = 'json', string $type = Schema::TYPE_OUTPUT, ?Operation $operation = null, ?Schema $schema = null, ?array $serializerContext = null, bool $forceCollection = false): Schema
+    {
+        $schema = $this->decorated->buildSchema($className, $format, $type, $operation, $schema, $serializerContext, $forceCollection);
+        $version = $schema->getVersion();
+        $schemaPrefix = $this->getSchemaUriPrefix($version);
+        $currentReference = $schema['$ref'] ?? null;
+
+        if (
+            is_string($currentReference)
+            && $type === Schema::TYPE_INPUT
+            && $operation instanceof Operation
+            && in_array($operation::class, [Put::class, Post::class, Patch::class], true)
+        ) {
+            $this->ensureJsonldInputPropertyForInputSchemas($currentReference, $schemaPrefix, $schema->getDefinitions());
+        }
+
+        return $schema;
+    }
+
+    /** @param ArrayObject<string, mixed> $definitions */
+    private function ensureJsonldInputPropertyForInputSchemas(string $reference, string $schemaPrefix, ArrayObject $definitions): void
+    {
+        $definitionName = str_replace($schemaPrefix, '', $reference);
+
+        foreach ($definitions[$definitionName]['properties'] ?? [] as $property) {
+            if (isset($property['type'])) {
+                continue;
+            }
+
+            if (isset($property['$ref'])) {
+                $this->addJsonldInputProperty(
+                    $definitions,
+                    $schemaPrefix,
+                    $property['$ref'],
+                );
+
+                break;
+            }
+
+            foreach (self::SCHEMA_LOGICAL_OPERATORS as $operator) {
+                if (!isset($property[$operator])) {
+                    continue;
+                }
+
+                foreach ($property[$operator] as $subschema) {
+                    if (!isset($subschema['$ref'])) {
+                        continue;
+                    }
+
+                    $this->addJsonldInputProperty(
+                        $definitions,
+                        $schemaPrefix,
+                        $subschema['$ref'],
+                    );
+                }
+            }
+        }
+    }
+
+    /** @param ArrayObject<string, mixed> $definitions */
+    private function addJsonldInputProperty(
+        ArrayObject $definitions,
+        string $schemaPrefix,
+        string $ref,
+    ): void {
+        $definitionKey = str_replace($schemaPrefix, '', $ref);
+
+        $definitions[$definitionKey]['properties'][self::JSONLD_INPUT_OBJECT_PROPERTY_NAME]
+            ??= self::JSONLD_INPUT_OBJECT_PROPERTY;
+    }
+}
diff --git a/src/DependencyInjection/CompilerPass/SchemaDecorationCompilerPass.php b/src/DependencyInjection/CompilerPass/SchemaDecorationCompilerPass.php
new file mode 100644
index 0000000..38deb6a
--- /dev/null
+++ b/src/DependencyInjection/CompilerPass/SchemaDecorationCompilerPass.php
@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Netgen\ApiPlatformExtras\DependencyInjection\CompilerPass;
+
+use Netgen\ApiPlatformExtras\ApiPlatform\JsonSchema\Metadata\Property\PropertyMetadataFactoryDecorator;
+use Netgen\ApiPlatformExtras\ApiPlatform\JsonSchema\SchemaFactoryDecorator;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Reference;
+
+use function sprintf;
+
+final class SchemaDecorationCompilerPass implements CompilerPassInterface
+{
+    private const string BASE_FEATURE_PATH = 'netgen_api_platform_extras.features.schema_decoration';
+
+    public function process(ContainerBuilder $container): void
+    {
+        $featureEnabledParameter = sprintf('%s.enabled', self::BASE_FEATURE_PATH);
+        if (
+            !$container->hasParameter($featureEnabledParameter)
+            || $container->getParameter($featureEnabledParameter) === false
+        ) {
+            return;
+        }
+
+        $jsonldUpdateSchemaParameter = sprintf('%s.jsonld_update_schema', self::BASE_FEATURE_PATH);
+        if (
+            $container->hasParameter($jsonldUpdateSchemaParameter)
+            && $container->getParameter($jsonldUpdateSchemaParameter) === true
+        ) {
+            $container
+                ->setDefinition('netgen.api_platform_extras.json_schema.schema_factory', new Definition(SchemaFactoryDecorator::class))
+                ->setArguments([
+                    new Reference('netgen.api_platform_extras.json_schema.schema_factory.inner'),
+                ])
+                ->setDecoratedService('api_platform.json_schema.schema_factory');
+        }
+
+        $defaultRequiredPropertiesParameter = sprintf('%s.default_required_properties', self::BASE_FEATURE_PATH);
+        if (
+            $container->hasParameter($defaultRequiredPropertiesParameter)
+            && $container->getParameter($defaultRequiredPropertiesParameter) === true
+        ) {
+            $container
+                ->setDefinition('netgen.api_platform_extras.metadata.property.metadata_factory', new Definition(PropertyMetadataFactoryDecorator::class))
+                ->setArguments([
+                    new Reference('netgen.api_platform_extras.metadata.property.metadata_factory.inner'),
+                ])
+                ->setDecoratedService('api_platform.metadata.property.metadata_factory', null, 19);
+        }
+    }
+}
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index a6c490f..ef9be7a 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -26,6 +26,16 @@ public function getConfigTreeBuilder(): TreeBuilder
                         ->end()
                         ->arrayNode('schema_decoration')
                             ->canBeEnabled()
+                            ->children()
+                                ->booleanNode('default_required_properties')
+                                    ->defaultFalse()
+                                    ->info('Mark schema properties as required by default when type is not nullable.')
+                                ->end()
+                                ->booleanNode('jsonld_update_schema')
+                                    ->defaultFalse()
+                                    ->info('Add @id as optional property to all POST, PUT and PATCH schemas.')
+                                ->end()
+                            ->end()
                         ->end()
                         ->arrayNode('simple_normalizer')
                             ->canBeEnabled()
diff --git a/src/NetgenApiPlatformExtrasBundle.php b/src/NetgenApiPlatformExtrasBundle.php
index f73e626..16f059c 100644
--- a/src/NetgenApiPlatformExtrasBundle.php
+++ b/src/NetgenApiPlatformExtrasBundle.php
@@ -5,6 +5,7 @@
 namespace Netgen\ApiPlatformExtras;
 
 use Netgen\ApiPlatformExtras\DependencyInjection\CompilerPass\IriTemplateGeneratorCompilerPass;
+use Netgen\ApiPlatformExtras\DependencyInjection\CompilerPass\SchemaDecorationCompilerPass;
 use Netgen\ApiPlatformExtras\DependencyInjection\CompilerPass\SchemaProcessorCompilerPass;
 use Netgen\ApiPlatformExtras\OpenApi\Processor\OpenApiProcessorInterface;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
@@ -20,6 +21,9 @@ public function build(ContainerBuilder $container): void
         )
         ->addCompilerPass(
             new SchemaProcessorCompilerPass(),
+        )
+        ->addCompilerPass(
+            new SchemaDecorationCompilerPass(),
         );
 
         $container->registerForAutoconfiguration(OpenApiProcessorInterface::class)