Node Unblocker Vercel Best -
Vercel clarified this exact question in a 2025 community discussion. When a user asked whether using Next.js rewrites as a reverse proxy violated the guidelines, a Vercel representative stated: "I can confirm that a reverse-proxy for your own services falls within acceptable use of Vercel. The 'No Proxies or VPNs' rule is in place to stop people from disguising their own traffic to unaffiliated third parties as coming from a Vercel IP."
: Since Vercel shares IP addresses across many users, some websites may flag your proxy traffic as "suspicious" or trigger Vercel Attack Mode.
const createProxyMiddleware = require('http-proxy-middleware'); const NodeUnblocker = require('node-unblocker');
Now that you understand what Node Unblocker does, let's talk about why Vercel is such an appealing place to run it. node unblocker vercel
Node Unblocker changes that equation entirely. Instead of connecting directly, you send your request to your Node Unblocker server first. That server fetches the content on your behalf and then delivers it back to you. From the target website's perspective, the request appears to come from the proxy server's IP address, not yours.
const express = require('express'); const Unblocker = require('unblocker');
"source": "/api/:path*", "destination": "https://your-target-api.com/:path*" Vercel clarified this exact question in a 2025
Example request:
Traditional Node Unblocker uses persistent streams. On Vercel, requests must fit within serverless payload limits (typically 4.5 MB for requests and responses). Technical Setup and Configuration
Before you start, make sure you have:
This is the most critical section. .
Push your code to GitHub and import the repository into the Vercel Dashboard , or use the Vercel CLI : vercel Use code with caution. Copied to clipboard ⚠️ Important Considerations