* [`pydantic-extra-types`](https://docs.pydantic.dev/latest/usage/types/extra_types/extra_types/) - 與 Pydantic 一起使用的額外型別。

FastAPI 的額外可選依賴：

* [`orjson`](https://github.com/ijl/orjson) - 若要使用 `ORJSONResponse` 必須安裝。
* [`ujson`](https://github.com/esnme/ultrajson) - 若要使用 `UJSONResponse` 必須安裝。

## 授權 { #license }

                **Example**

                ```python
                from fastapi import FastAPI
                from fastapi.responses import ORJSONResponse

                app = FastAPI(default_response_class=ORJSONResponse)
                ```
                """
            ),
        ] = Default(JSONResponse),
        redirect_slashes: Annotated[
            bool,
            Doc(

## 0.52.0 (2020-03-01)

* Add new high-performance JSON response class using `orjson`. New docs: [Custom Response - HTML, Stream, File, others: `ORJSONResponse`](https://fastapi.tiangolo.com/advanced/custom-response/#use-orjsonresponse). PR [#1065](https://github.com/tiangolo/fastapi/pull/1065).

## 0.51.0 (2020-03-01)

* Re-export utils from Starlette: