​​Django Ninja is a web framework for building APIs with Django and #python 3.6+ based type hints.

Key features:
- Easy: Designed to be easy to use and intuitive.
- Fast: Very high performance thanks to Pydantic and async support.
- Fast to code: Type hints and automatic docs let's you focus only on business logic.
- Standards-based: Based on the open standards for APIs: OpenAPI (previously known as Swagger) and JSON Schema.

https://github.com/vitalik/django-ninja

This code:

from ninja import NinjaAPI

api = NinjaAPI()


@api.get("/add")
def add(request, a: int, b: int):
    return {"result": a + b}

Turns into: