diff --git a/src/OpenApi/Factory/OpenApiFactory.php b/src/OpenApi/Factory/OpenApiFactory.php
index c976f011f25..69dfdf68382 100644
--- a/src/OpenApi/Factory/OpenApiFactory.php
+++ b/src/OpenApi/Factory/OpenApiFactory.php
@@ -27,6 +27,7 @@
 use ApiPlatform\Core\Metadata\Resource\ResourceMetadata;
 use ApiPlatform\Core\OpenApi\Model;
 use ApiPlatform\Core\OpenApi\Model\ExternalDocumentation;
+use ApiPlatform\Core\OpenApi\Model\PathItem;
 use ApiPlatform\Core\OpenApi\OpenApi;
 use ApiPlatform\Core\OpenApi\Options;
 use ApiPlatform\Core\Operation\Factory\SubresourceOperationFactoryInterface;
@@ -144,6 +145,11 @@ private function collectPaths(ResourceMetadata $resourceMetadata, string $resour
             $resourceClass = $operation['resource_class'] ?? $rootResourceClass;
             $path = $this->getPath($resourceShortName, $operationName, $operation, $operationType);
             $method = $resourceMetadata->getTypedOperationAttribute($operationType, $operationName, 'method', 'GET');
+
+            if (!\in_array($method, PathItem::$methods, true)) {
+                continue;
+            }
+
             [$requestMimeTypes, $responseMimeTypes] = $this->getMimeTypes($resourceClass, $operationName, $operationType, $resourceMetadata);
             $operationId = $operation['openapi_context']['operationId'] ?? lcfirst($operationName).ucfirst($resourceShortName).ucfirst($operationType);
             $linkedOperationId = 'get'.ucfirst($resourceShortName).ucfirst(OperationType::ITEM);
diff --git a/src/OpenApi/Model/PathItem.php b/src/OpenApi/Model/PathItem.php
index fae2c59a0ff..ddc4b057e0c 100644
--- a/src/OpenApi/Model/PathItem.php
+++ b/src/OpenApi/Model/PathItem.php
@@ -17,7 +17,7 @@ final class PathItem
 {
     use ExtensionTrait;
 
-    private static $methods = ['GET', 'PUT', 'POST', 'DELETE', 'OPTIONS', 'HEAD', 'PATCH', 'TRACE'];
+    public static $methods = ['GET', 'PUT', 'POST', 'DELETE', 'OPTIONS', 'HEAD', 'PATCH', 'TRACE'];
     private $ref;
     private $summary;
     private $description;
diff --git a/tests/OpenApi/Factory/OpenApiFactoryTest.php b/tests/OpenApi/Factory/OpenApiFactoryTest.php
index 021e8e2da9f..dca86f3dd97 100644
--- a/tests/OpenApi/Factory/OpenApiFactoryTest.php
+++ b/tests/OpenApi/Factory/OpenApiFactoryTest.php
@@ -118,6 +118,7 @@ public function testInvoke(): void
                         ],
                     ],
                 ]] + self::OPERATION_FORMATS,
+                'custom-http-verb' => ['method' => 'TEST'] + self::OPERATION_FORMATS,
                 'formats' => ['method' => 'PUT', 'path' => '/formatted/{id}', 'output_formats' => ['json' => ['application/json'], 'csv' => ['text/csv']], 'input_formats' => ['json' => ['application/json'], 'csv' => ['text/csv']]],
             ],
             [