«««
        ## Type hints and annotations { #type-hints-and-annotations }
        »»»

    Translate with (German) – notice the hyphen:

        «««
        ## Typhinweise und -annotationen { #type-hints-and-annotations }
        »»»

    Do NOT translate with (German) – notice the dash:

        «««
        ## Typhinweise und –annotationen { #type-hints-and-annotations }
        »»»

**Typer** is FastAPI's little sibling. And it's intended to be the **FastAPI of CLIs**. ⌨️ 🚀

## Requirements { #requirements }

FastAPI stands on the shoulders of giants:

* <a href="https://www.starlette.dev/" class="external-link" target="_blank">Starlette</a> for the web parts.
* <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a> for the data parts.

**Typer** is FastAPI's little sibling. And it's intended to be the **FastAPI of CLIs**. ⌨️ 🚀

## Requirements

FastAPI stands on the shoulders of giants:

* <a href="https://www.starlette.dev/" class="external-link" target="_blank">Starlette</a> for the web parts.
* <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a> for the data parts.

            Optional[Any],
            Doc(
                """
                Only used internally by FastAPI to handle dependency overrides.

                You shouldn't need to use it. It normally points to the `FastAPI` app
                object.
                """
            ),
        ] = None,
        route_class: Annotated[
            type[APIRoute],
            Doc(
                """

The key updated docs are:

* Python Types Intro:
    * [Type Hints with Metadata Annotations](https://fastapi.tiangolo.com/python-types/#type-hints-with-metadata-annotations).
* Tutorial: