diff --git a/src/ResponseType.php b/src/ResponseType.php
index da9da47c..164a32dd 100644
--- a/src/ResponseType.php
+++ b/src/ResponseType.php
@@ -135,6 +135,14 @@ public static function getAll(): array {
 				null,
 				null,
 			),
+			new ResponseType(
+				'StreamTraversableResponse',
+				false,
+				false,
+				null,
+				null,
+				null,
+			),
 			new ResponseType(
 				'TemplateResponse',
 				false,
diff --git a/tests/lib/Controller/StreamingController.php b/tests/lib/Controller/StreamingController.php
new file mode 100644
index 00000000..8a0c004e
--- /dev/null
+++ b/tests/lib/Controller/StreamingController.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Notifications\Controller;
+
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\Attribute\ApiRoute;
+use OCP\AppFramework\OCSController;
+
+class StreamingController extends OCSController {
+	/**
+	 * Use StreamTraversableResponse response type
+	 *
+	 * @return StreamTraversableResponse<Http::STATUS_OK, array{}>
+	 *
+	 * 200: Export OK
+	 */
+	#[ApiRoute(verb: 'GET', url: '/streaming/traversable')]
+	public function traversable(): StreamTraversableResponse {
+		return new StreamTraversableResponse($this->generator());
+	}
+
+	private function generator(): \Generator {
+		yield from [];
+	}
+}
diff --git a/tests/openapi-administration.json b/tests/openapi-administration.json
index 4bc36595..76ffb3dc 100644
--- a/tests/openapi-administration.json
+++ b/tests/openapi-administration.json
@@ -9648,6 +9648,97 @@
                 }
             }
         },
+        "/ocs/v2.php/apps/notifications/streaming/traversable": {
+            "get": {
+                "operationId": "streaming-traversable",
+                "summary": "Use StreamTraversableResponse response type",
+                "description": "This endpoint requires admin access",
+                "tags": [
+                    "streaming"
+                ],
+                "security": [
+                    {
+                        "bearer_auth": []
+                    },
+                    {
+                        "basic_auth": []
+                    }
+                ],
+                "parameters": [
+                    {
+                        "name": "OCS-APIRequest",
+                        "in": "header",
+                        "description": "Required to be true for the API request to pass",
+                        "required": true,
+                        "schema": {
+                            "type": "boolean",
+                            "default": true
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Export OK"
+                    },
+                    "401": {
+                        "description": "Current user is not logged in",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {}
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "403": {
+                        "description": "Logged in account must be an admin",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {}
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        },
         "/index.php/tests/attribute-index/{param}": {
             "get": {
                 "operationId": "routing-attribute-index-route",
diff --git a/tests/openapi-full.json b/tests/openapi-full.json
index afb019c4..a6a30974 100644
--- a/tests/openapi-full.json
+++ b/tests/openapi-full.json
@@ -9848,6 +9848,97 @@
                 }
             }
         },
+        "/ocs/v2.php/apps/notifications/streaming/traversable": {
+            "get": {
+                "operationId": "streaming-traversable",
+                "summary": "Use StreamTraversableResponse response type",
+                "description": "This endpoint requires admin access",
+                "tags": [
+                    "streaming"
+                ],
+                "security": [
+                    {
+                        "bearer_auth": []
+                    },
+                    {
+                        "basic_auth": []
+                    }
+                ],
+                "parameters": [
+                    {
+                        "name": "OCS-APIRequest",
+                        "in": "header",
+                        "description": "Required to be true for the API request to pass",
+                        "required": true,
+                        "schema": {
+                            "type": "boolean",
+                            "default": true
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "Export OK"
+                    },
+                    "401": {
+                        "description": "Current user is not logged in",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {}
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    },
+                    "403": {
+                        "description": "Logged in account must be an admin",
+                        "content": {
+                            "application/json": {
+                                "schema": {
+                                    "type": "object",
+                                    "required": [
+                                        "ocs"
+                                    ],
+                                    "properties": {
+                                        "ocs": {
+                                            "type": "object",
+                                            "required": [
+                                                "meta",
+                                                "data"
+                                            ],
+                                            "properties": {
+                                                "meta": {
+                                                    "$ref": "#/components/schemas/OCSMeta"
+                                                },
+                                                "data": {}
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        },
         "/index.php/tests/attribute-index/{param}": {
             "get": {
                 "operationId": "routing-attribute-index-route",