Configuration - FastAPI 0.159.1 API reference

FastAPI accepts 37 constructor arguments. The full list, parsed from the pinned source of fastapi/applications.py:

Argument
`telemetry`
`debug`
`routes`
`title`
`summary`
`description`
`version`
`openapi_url`
`openapi_tags`
`servers`
`dependencies`
`default_response_class`
`redirect_slashes`
`docs_url`
`redoc_url`
`swagger_ui_oauth2_redirect_url`
`swagger_ui_init_oauth`
`middleware`
`exception_handlers`
`on_startup`
`on_shutdown`
`lifespan`
`terms_of_service`
`contact`
`license_info`
`root_path`
`root_path_in_servers`
`responses`
`callbacks`
`webhooks`
`deprecated`
`include_in_schema`
`swagger_ui_parameters`
`generate_unique_id_function`
`separate_input_output_schemas`
`openapi_external_docs`
`strict_content_type`

The router constructor

APIRouter accepts 18 arguments:

Argument
`prefix`
`tags`
`dependencies`
`default_response_class`
`responses`
`callbacks`
`routes`
`redirect_slashes`
`default`
`dependency_overrides_provider`
`route_class`
`on_startup`
`on_shutdown`
`lifespan`
`deprecated`
`include_in_schema`
`generate_unique_id_function`
`strict_content_type`

Common configuration

from fastapi import FastAPI

app = FastAPI(
    title="My API",
    version="1.0.0",
    description="A FastAPI application.",
    docs_url="/docs",
    redoc_url="/redoc",
    openapi_url="/openapi.json",
)