Vercel Routing Middleware Adds Python Support for FastAPI, Flask, and Django

·2026.10.21 09:00

Key point

The middleware runs as a separate ASGI or WSGI app before requests reach the application, allowing developers to rewrite, redirect, or answer them.

Vercel Routing Middleware now supports Python, enabling logic for FastAPI, Flask, Django, and other frameworks.
Middleware executes before requests reach the main app, allowing it to rewrite, redirect, or answer requests.
Implementation requires pointing the proxy entrypoint in vercel.toml to the proxy and adding dependencies to the vercel.proxy group in pyproject.toml.
The vercel-proxy package provides utilities, including a Proxy app that routes requests by path; unmatched requests continue to the app unchanged.

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