Depends

Declare a FastAPI dependency.

It takes a single "dependable" callable (like a function).

Don't call it directly, FastAPI will call it for you.

Read more about it in the FastAPI docs for Dependencies.

def Depends(
    dependency: Callable[..., Any] | None = None,
    use_cache: bool = True,
    scope: Literal["function", "request"] | None = None
) - > Any

Declare a FastAPI dependency. It takes a single "dependable" callable (like a function). Don't call it directly, FastAPI will call it for you.

Parameters

Name	Type	Description
dependency	`Callable[..., Any]	None` = None
use_cache	bool = True	Controls whether the dependency result is cached and reused if the same dependency is required multiple times within a single request.
scope	`Literal["function", "request"]	None` = None

Returns

Type	Description
Any	A dependency parameter descriptor that FastAPI uses to resolve and inject the dependency value at runtime.