from fastapi import Depends, FastAPI, Security from fastapi.security import APIKeyQuery from pydantic import BaseModel app = FastAPI() api_key = APIKeyQuery(name="key") class User(BaseModel): username: str def get_current_user(oauth_header: str = Security(api_key)): user = User(username=oauth_header) return user @app.get("/users/me") def read_current_user(current_user: User = Depends(get_current_user)): return current_user