In FastAPI, path parameters are parts of the URL path that can change and are used to capture specific values provided by the client. They are denoted by curly braces {} within the route definition.

def get_item(item_id: int = Path(None, description="The ID of the item you'd like to view")): # colon represents type hint,tells this item id is supposed to be an integer. Path helps to add more ...

While the URL path component is what should point directly at the server-side resource, many well-meaning developers fall into the trap of the RESTful parameters antipattern. RESTful parameters for ...