# Cross-link map: WebSockets (/docs/functions/websockets)

> 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

- [Do Vercel Functions support WebSocket connections?](https://vercel.com/kb/guide/do-vercel-serverless-functions-support-websocket-connections) — Vercel Functions serve WebSocket connections natively, in public beta on all plans. Learn how connections pin to instanc
- [Backends on Vercel](https://vercel.com/docs/frameworks/backend) — Vercel supports a wide range of the most popular backend frameworks, optimizing how your application builds and runs no
- [Vercel Functions](https://vercel.com/docs/functions) — Build API routes, webhooks, and agent request handlers with Vercel Functions, then test and debug them with Vercel CLI.
- [Publish and subscribe to realtime data on Vercel](https://vercel.com/kb/guide/publish-and-subscribe-to-realtime-data-on-vercel) — Learn how to publish and subscribe to realtime data on Vercel with WebSockets, SSE, Redis, and Queues, and when a manage
- [WebSocket support is now in Public Beta](https://vercel.com/changelog/websocket-support-is-now-in-public-beta)

## This page links to (8)

- [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
- [Vercel Functions](https://vercel.com/docs/functions) — Build API routes, webhooks, and agent request handlers with Vercel Functions, then test and debug them with Vercel CLI.
- [@vercel/functions API Reference \\(Node.js\\)](https://vercel.com/docs/functions/functions-api-reference/vercel-functions-package) — Learn about available APIs when working with Vercel Functions.
- [Vercel Functions Limits](https://vercel.com/docs/functions/limitations) — Learn about the limits and restrictions of using Vercel Functions.
- [Using the Bun Runtime with Vercel Functions](https://vercel.com/docs/functions/runtimes/bun) — Learn how to use the Bun runtime with Vercel Functions to create fast, efficient functions.
- [Streaming](https://vercel.com/docs/functions/streaming-functions) — Learn how to stream responses from Vercel Functions.
- [Fluid compute pricing](https://vercel.com/docs/functions/usage-and-pricing) — Learn about usage and pricing for fluid compute on Vercel.
- [CDN pricing and usage](https://vercel.com/docs/manage-cdn-usage) — Understand CDN pricing resources, monitor usage from your dashboard, and optimize Fast Data Transfer, Fast Origin Transf

## Pages that link here (23)

By site: vercel-changelog (4) · vercel-kb (12) · vercel-docs (7)

### From vercel-changelog

- [Bun 1.4 is now available in Vercel Functions](https://vercel.com/changelog/bun-1-4-is-now-available-in-vercel-functions)
- [WebSocket support is now available for Python Functions](https://vercel.com/changelog/websocket-support-is-now-available-for-python-functions)
- [WebSocket support is now generally available](https://vercel.com/changelog/websocket-support-is-now-generally-available)
- [WebSocket support is now in Public Beta](https://vercel.com/changelog/websocket-support-is-now-in-public-beta)

### From vercel-kb

- [Do Vercel Functions support WebSocket connections?](https://vercel.com/kb/guide/do-vercel-serverless-functions-support-websocket-connections) — Vercel Functions serve WebSocket connections natively, in public beta on all plans. Learn how connections pin to instanc
- [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
- [Publish and subscribe to realtime data on Vercel](https://vercel.com/kb/guide/publish-and-subscribe-to-realtime-data-on-vercel) — Learn how to publish and subscribe to realtime data on Vercel with WebSockets, SSE, Redis, and Queues, and when a manage
- [Build Figma-style multiplayer cursors with WebSockets on Vercel](https://vercel.com/kb/guide/real-time-board-nextjs-fastapi) — Learn how to build Figma-style multiplayer cursors with Next.js and FastAPI, kept consistent across multiple Vercel Func
- [Build a real-time chat app with WebSockets on Vercel](https://vercel.com/kb/guide/real-time-chat-websockets) — Build and deploy a single-room messaging app in Next.js with real-time chat, typing indicators, and live online user cou
- [Build Notion-style real-time presence with WebSockets on Vercel](https://vercel.com/kb/guide/real-time-presence-hono-react) — Build the avatar faces that appear when a teammate opens a page and vanish when they leave. Powered by a Hono WebSocket
- [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.
- [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
- [Vercel vs Northflank](https://vercel.com/kb/guide/vercel-vs-northflank) — A detailed guide to Vercel vs Northflank: Fluid compute, CDN and caching, container image functions, security defaults,
- [Vercel vs Render](https://vercel.com/kb/guide/vercel-vs-render) — A detailed guide to Vercel vs Render: compute models, AI infrastructure, Docker and container image support, background

### From vercel-docs

- [Backends on Vercel](https://vercel.com/docs/frameworks/backend) — Vercel supports a wide range of the most popular backend frameworks, optimizing how your application builds and runs no
- [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 API Reference \\(Node.js\\)](https://vercel.com/docs/functions/functions-api-reference/vercel-functions-package) — Learn about available APIs when working with Vercel Functions.
- [Using the Bun Runtime with Vercel Functions](https://vercel.com/docs/functions/runtimes/bun) — Learn how to use the Bun runtime with Vercel Functions to create fast, efficient functions.
- [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.