wss://browser.spider.cloud/v1/browser · CDP

Browser

Spider Browser is a custom browser engine built from the ground up. Connect over WebSocket with Playwright's connectOverCDP(), Puppeteer's connect(), or the spider-browser TypeScript library which adds AI extraction and natural language actions on top.

Connection

browser.spider.cloudCDP

wss://browser.spider.cloud/v1/browser

?token=YOUR-API-KEY

Stealth

Country

Params rewrite the socket URL. Everything else is handled for you.

import { SpiderBrowser } from "spider-browser"

const browser = new SpiderBrowser({ apiKey: process.env.SPIDER_API_KEY! })
await browser.init() // sessions, stealth and geo-routing handled for you

What you get

Stealth engine
Passes major bot-detection suites out of the box.
AI native
Extraction and actions via natural language.
Open protocols
CDP over WebSocket. Any client that speaks it works.
Concurrency100 sessions
Concurrent sessions per user, on all plans.
Residential proxies199+ countries
Geo-route any session with the country param.
Session recording
Screencast and interaction capture, replay from the dashboard.

Session parameters

sinteger 1–3querydefault 1

Stealth level. Raise it on sites that block automated traffic.

countrystringqueryoptional

Two-letter country code for proxy geo-routing.

Tip

Append these as query params to the WebSocket URL. Everything else, TLS fingerprints, headers, proxy rotation, is handled for you.

Examples

import { SpiderBrowser } from "spider-browser"

const browser = new SpiderBrowser({
  apiKey: process.env.SPIDER_API_KEY!,
})
await browser.init()
await browser.page.goto("https://example.com")

// extract structured data with AI
const prices = await browser.extract("Get all product prices")

// perform actions with natural language
await browser.act("Add the cheapest item to the cart")

// take a screenshot
const screenshot = await browser.page.screenshot()

await browser.close()

spider-browser on npm · GitHub · Benchmarks · Session recordings