# Cross-link map: Using the Python Runtime with Vercel Functions (/docs/functions/runtimes/python)

> From the Vercel docs graph (built 2026-10-24T05:47:21.913Z), spanning vercel.com docs + KB, nextjs.org, ai-sdk.dev, and other Vercel documentation sites. Full graph as JSON: https://vercel.com/docs/graph.json

## Semantically closest pages

- [Python Functions in the /api Directory](https://vercel.com/docs/functions/runtimes/python/api-directory) — Configure existing Vercel projects that use file-based Python functions in an /api directory.
- [Deploy a FastAPI app on Vercel](https://vercel.com/docs/frameworks/backend/fastapi) — Deploy a FastAPI app on Vercel. Learn how the Python runtime, ASGI, static assets, and Vercel Functions work together.
- [Deploy a Django app on Vercel](https://vercel.com/docs/frameworks/full-stack/django) — Deploy a Django app on Vercel. Learn how the Python runtime, WSGI, ASGI, static assets, and Vercel Functions work togeth
- [Deploy a Flask app on Vercel](https://vercel.com/docs/frameworks/backend/flask) — Deploy a Flask app on Vercel. Learn how the Python runtime, WSGI, static assets, and Vercel Functions work together.
- [How to ship a FastAPI app on Vercel](https://vercel.com/kb/guide/ship-a-fastapi-app-on-vercel) — Deploy a FastAPI app to Vercel with zero configuration. Learn how the Python runtime, Vercel Functions, streaming, middl

## Prerequisites

- [Runtimes](https://vercel.com/docs/functions/runtimes) — Runtimes transform your source code into Functions, which are served by our CDN. Learn about the official runtimes suppo

## This page links to (11)

- [Deploy a FastAPI app on Vercel](https://vercel.com/docs/frameworks/backend/fastapi) — Deploy a FastAPI app on Vercel. Learn how the Python runtime, ASGI, static assets, and Vercel Functions work together.
- [Deploy a Flask app on Vercel](https://vercel.com/docs/frameworks/backend/flask) — Deploy a Flask app on Vercel. Learn how the Python runtime, WSGI, static assets, and Vercel Functions work together.
- [Deploy a Django app on Vercel](https://vercel.com/docs/frameworks/full-stack/django) — Deploy a Django app on Vercel. Learn how the Python runtime, WSGI, ASGI, static assets, and Vercel Functions work togeth
- [Vercel Functions Limits](https://vercel.com/docs/functions/limitations) — Learn about the limits and restrictions of using Vercel Functions.
- [Set the Python version for your Vercel project](https://vercel.com/docs/functions/runtimes/python/python-version) — Set the Python version for your Vercel project with pyproject.toml, .python-version, or Pipfile.lock.
- [Routing Middleware](https://vercel.com/docs/routing-middleware) — Learn how you can use Routing Middleware, code that executes before a request is processed on a site, to provide speed a
- [Routing Middleware: Python Reference](https://vercel.com/docs/routing-middleware/python-reference) — Reference for writing Routing Middleware in Python with the vercel-proxy package, including setup, routes, requests, and
- [Services](https://vercel.com/docs/services) — Deploy multiple backends and frontends within a single Vercel project using services.
- [Migrate a Python API from Heroku to Vercel](https://vercel.com/kb/guide/migrate-a-python-api-from-heroku-to-vercel) — Move a FastAPI, Flask, or Django API from Heroku to Vercel Functions. Replace your Procfile, worker dynos, Heroku Schedu
- [Migrate a Python API from Railway to Vercel](https://vercel.com/kb/guide/migrate-a-python-api-from-railway-to-vercel) — Move a FastAPI, Flask, or Django API from Railway to Vercel Functions. Replace railway.json start commands, volumes, Cel
- [Migrate a Python API from Render to Vercel](https://vercel.com/kb/guide/migrate-a-python-api-from-render-to-vercel) — Move a FastAPI, Flask, or Django API from Render to Vercel Functions. Translate render.yaml and replace persistent disks

## Pages that link here (41)

By site: vercel-changelog (11) · vercel-kb (14) · vercel-docs (16)

### From vercel-changelog

- [Python 3.13 and 3.14 are now available ](https://vercel.com/changelog/python-3-13-and-3-14-are-now-available)
- [Python function bundles now include precompiled bytecode](https://vercel.com/changelog/python-function-bundles-now-include-precompiled-bytecode)
- [Python on Vercel is now generally available](https://vercel.com/changelog/python-on-vercel-is-now-generally-available)
- [Python package manager uv is now available for builds with zero configuration](https://vercel.com/changelog/python-package-manager-uv-is-now-available-for-builds-with-zero)
- [Python support added to in-function concurrency beta](https://vercel.com/changelog/python-support-added-to-in-function-concurrency-beta)
- [Python Vercel Functions now have streaming enabled by default](https://vercel.com/changelog/python-vercel-functions-now-have-streaming-enabled-by-default)
- [Run background tasks with Celery on Vercel](https://vercel.com/changelog/run-background-tasks-with-celery-on-vercel)
- [Streaming is now supported in Vercel Functions for the Python runtime](https://vercel.com/changelog/streaming-is-now-supported-in-vercel-functions-for-the-python-runtime)
- [Zero-configuration FastAPI backends](https://vercel.com/changelog/zero-config-fastapi-backends)
- [Zero-configuration Django support](https://vercel.com/changelog/zero-configuration-django-support)
- [Zero-configuration Flask backends](https://vercel.com/changelog/zero-configuration-flask-backends)

### From vercel-kb

- [Build with a FastAPI starter template](https://vercel.com/kb/guide/build-with-a-fastapi-starter-template) — Browse FastAPI starter templates for Vercel and deploy one in a few steps. Compare minimal, AI, agent, and full-stack Fa
- [How to debug 404 errors](https://vercel.com/kb/guide/how-to-debug-404-errors) — Learn the systematic steps to identify and resolve 404 issues.
- [Migrate a Python API from Heroku to Vercel](https://vercel.com/kb/guide/migrate-a-python-api-from-heroku-to-vercel) — Move a FastAPI, Flask, or Django API from Heroku to Vercel Functions. Replace your Procfile, worker dynos, Heroku Schedu
- [Migrate a Python API from Railway to Vercel](https://vercel.com/kb/guide/migrate-a-python-api-from-railway-to-vercel) — Move a FastAPI, Flask, or Django API from Railway to Vercel Functions. Replace railway.json start commands, volumes, Cel
- [Migrate a Python API from Render to Vercel](https://vercel.com/kb/guide/migrate-a-python-api-from-render-to-vercel) — Move a FastAPI, Flask, or Django API from Render to Vercel Functions. Translate render.yaml and replace persistent disks
- [How to migrate from Railway to Vercel](https://vercel.com/kb/guide/migrate-railway-to-vercel) — Migrate an app from Railway to Vercel. Choose a deployment path, configure services, plan for stored data, and test befo
- [How to migrate from Render to Vercel](https://vercel.com/kb/guide/migrate-render-to-vercel) — Migrate from Render to Vercel: map web services, cron jobs, and containers to their equivalents, and handle what doesn't
- [How to ship a FastAPI app on Vercel](https://vercel.com/kb/guide/ship-a-fastapi-app-on-vercel) — Deploy a FastAPI app to Vercel with zero configuration. Learn how the Python runtime, Vercel Functions, streaming, middl
- [How to ship a Flask app on Vercel](https://vercel.com/kb/guide/ship-a-flask-app-on-vercel) — Deploy a Flask app to Vercel with zero configuration. Learn how to ship from a template, the Vercel CLI, or Git, and con
- [Deploy Python apps on Vercel using Docker ](https://vercel.com/kb/guide/vercel-docker-python-apps) — Deploy a Dockerized Python application that depends on native software, OCR engines, or small local models, plus a Next.
- [The Complete Guide to Vercel Services](https://vercel.com/kb/guide/vercel-services) — Vercel Services let you deploy multiple frontends and backends in one project on a shared domain. Learn how to define se
- [How Vercel Services run on Fluid compute](https://vercel.com/kb/guide/vercel-services-fluid-compute) — The backends in a Vercel Services project run as Vercel Functions on Fluid compute by default. Learn how optimized concu
- [Build a Weather API on Vercel: Express, FastAPI, and Nitro](https://vercel.com/kb/guide/weather-api-with-fastapi) — Build a weather API on Vercel with FastAPI, Express, or Nitro. Compare the three runtimes, add caching and Observability
- [How to stop Vercel Functions from timing out](https://vercel.com/kb/guide/what-can-i-do-about-vercel-serverless-functions-timing-out) — Vercel Functions that time out usually trace back to a few causes. Learn how Fluid Compute fixes most of them and how to

### From vercel-docs

- [Build image overview](https://vercel.com/docs/builds/build-image) — Learn about the container image used for Vercel builds.
- [Fluid compute](https://vercel.com/docs/fluid-compute) — Learn about fluid compute, an execution model for Vercel Functions that provides a more flexible and efficient way to ru
- [Run background tasks with Celery on Vercel](https://vercel.com/docs/frameworks/backend/celery) — Deploy Celery on Vercel. Learn how Celery workers use Vercel Queues and Vercel Functions to run background tasks without
- [Deploy Dramatiq workers on Vercel](https://vercel.com/docs/frameworks/backend/dramatiq) — Deploy Dramatiq workers on Vercel. Learn how Dramatiq actors use Vercel Queues and Vercel Functions to process backgroun
- [Deploy a FastAPI app on Vercel](https://vercel.com/docs/frameworks/backend/fastapi) — Deploy a FastAPI app on Vercel. Learn how the Python runtime, ASGI, static assets, and Vercel Functions work together.
- [Deploy a Flask app on Vercel](https://vercel.com/docs/frameworks/backend/flask) — Deploy a Flask app on Vercel. Learn how the Python runtime, WSGI, static assets, and Vercel Functions work together.
- [Configuring the Runtime for Vercel Functions](https://vercel.com/docs/functions/configuring-functions/runtime) — Learn how to configure the runtime for Vercel Functions.
- [Vercel Functions Limits](https://vercel.com/docs/functions/limitations) — Learn about the limits and restrictions of using Vercel Functions.
- [Runtimes](https://vercel.com/docs/functions/runtimes) — Runtimes transform your source code into Functions, which are served by our CDN. Learn about the official runtimes suppo
- [Set the Python version for your Vercel project](https://vercel.com/docs/functions/runtimes/python/python-version) — Set the Python version for your Vercel project with pyproject.toml, .python-version, or Pipfile.lock.
- [Secure Compute](https://vercel.com/docs/networking/secure-compute) — Secure Compute provides dedicated private networks with VPC peering for Enterprise teams.
- [Static Configuration with vercel.json](https://vercel.com/docs/project-configuration/vercel-json) — Learn how to use vercel.json to configure and override the default behavior of Vercel from within your project.
- [Projects overview](https://vercel.com/docs/projects) — A project is where you deploy and operate frontend apps, APIs, backends, containers, and agent workloads on Vercel.
- [Routing Middleware](https://vercel.com/docs/routing-middleware) — Learn how you can use Routing Middleware, code that executes before a request is processed on a site, to provide speed a
- [Getting Started with Routing Middleware](https://vercel.com/docs/routing-middleware/getting-started) — Learn how you can use Routing Middleware, code that executes before a request is processed on a site, to provide speed a
- [Routing Middleware: Python Reference](https://vercel.com/docs/routing-middleware/python-reference) — Reference for writing Routing Middleware in Python with the vercel-proxy package, including setup, routes, requests, and