PIP install the Flask, Swagger and CORS support dependencies. Create a simple, RESTful Flask application. Use Swagger's online editor to document the Flask APIs. Test your Python APIs online with ...

Flask hit its milestone 1.0 release in 2018, with Python 2.6 and Python 3.3 being the minimum supported versions, and with many of its behaviors finally set in stone.

Quart, from GitLab, uses Flask’s syntax and metaphors, but allows async route handlers. Django 3.0 and later : As of Django 3.0, the venerable Django web framework supports ASGI.