Vercel Python Services

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Vercel Python Services

Building Python backend services using Vercel's experimentalServices API. Use when creating Python backends, or multi-service projects with a Python backend and JavaScript frontend.

udbfd68-cell0 星标2026年4月6日

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Python Services with Vercel

Build multi-service projects using Vercel's experimentalServices API with a Python backend and (optional) JavaScript frontend.

Setup

Create the project files (see references for the minimal working example). Choose frameworks for each service according to user's requests.
Define backend routes without the /api prefix (e.g. @app.get("/health")). Vercel strips the prefix before forwarding to the backend.
Validate services in vercel.json have entrypoint and routePrefix, but no extra unknown fields, otherwise that will cause preview to crash

Only vercel.json lives at the root. Each service manages its own dependencies independently.

Usage

Use vercel dev -L from the project root to run all services as one application. The CLI will handle each individual service's routing and dev server and put the application on port 3000.