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The Ultimate API Gateway for Local Development.

Expose your localhost to the internet, intercept webhooks, record flows, and debug traffic with AI. No config required.

terminal
$npm install -g node-proxylens
$proxylens 3000
Start Intercepting Dashboard

How it works

Get a public URL for your localhost in 3 simple steps.

1

Install CLI

Install the Node.js CLI globally on your machine using npm.

npm i -g node-proxylens
2

Start Tunnel

Run the command pointing to your local server port.

proxylens 8080 -d my-awesome-api
3

Inspect Traffic

Get a public URL instantly and view traffic in our dashboard.

https://your-name.proxylens.dev

Everything you need to debug

A complete suite of tools for the modern backend engineer.

Expose Localhost

Instantly create a public URL (e.g., cool-api.proxylens.dev) that tunnels traffic to your local port.

Webhook Testing

Capture and replay webhooks from Stripe, Slack, or GitHub without redeploying your code.

API Gateway

Mock responses, inject headers, or simulate errors (500, 404) to test how your app handles failure.

Flow Recording & Load Test

Record a user journey, save it as a "Flow", and replay it with 100x concurrency to stress test your API.

AI Traffic Analysis

Get instant insights on errors, performance bottlenecks, and security headers using Gemini AI.

Headless CLI

Run npx proxylens 3000 in your terminal to inspect traffic without leaving your workflow.