Marcelo Trylesinski GET /marcelo HTTP/1.1 host: marcelotryle.com HTTP/1.1 200 OK server: uvicorn content-type: text/human; charset=utf-8 x-origin: Brazil 🇧🇷 x-location: Utrecht, Netherlands 🇳🇱 Marcelo Trylesinski I work at Pydantic and maintain Starlette and Uvicorn. Also known as The FastAPI Expert. ❤️ Sponsor my work Read the blog Work Starlette maintainer The little ASGI framework that shines — the foundation FastAPI is built on, downloaded hundreds of millions of times a month. Uvicorn maintainer The lightning-fast ASGI server. If you run an async Python web app, it probably serves it right now. Also the all-time top user on the FastAPI issue tracker — which earned me the name “The FastAPI Expert”. Writing All posts → 2026-05-28 CVE-2026-48710: A Maintainer's Perspective open source · starlette · security 2026-03-22 Starlette 1.0 is here! open source · starlette 2025-01-01 2024 Open Source Report open source 2024-06-06 Understanding client disconnection in FastAPI fastapi · starlette · uvicorn