chaser — a real browser, served as an API

The browser that doesn’t get blocked.

For agents, scrapers, and anyone whose traffic keeps getting politely declined. Two lines of code, every target you couldn’t reach.

Cloudflare Turnstile passed
DataDome passed
FingerprintJS Pro passed
PerimeterX / Human passed
Exhibit C — The drop-in

Two lines.
Same Playwright.

The CDP URL is the only thing that changes. Connect the way you already connect. Authenticate the way you already authenticate. The rest of your scraper doesn't notice.

node / typescript python go cdp · raw ws
// scrape.ts
// Before — patched Chrome, residential proxies, prayers
const browser = await chromium.launch({ headless: true, proxy: { server: 'http://...' } })
// After — drop in /v1/sessions, keep the rest
const browser = await chromium.launch({ headless: true, proxy: { server: '...' } })const { cdp_url } = await fetch('https://api.chaser.sh/v1/sessions', { method: 'POST' }).then(r => r.json())const browser = await chromium.connectOverCDP(cdp_url)
// → request completed · 2,341 ms first paint · $0.04 transferred
Exhibit D — Capability matrix
Chaser capabilities versus generic vendor categories. No named competitor products.
CapabilityChaserGeneric antidetect browserPatched ChromeOff-the-shelf headless
Real browser Genuine fingerprint, not a desktop UA spoof
Residential proxy bundled In the $/GB price — no separate SKU~
Real userActivation gestures Trusted-events tree, not synthetic
JA4 fingerprint rotation Per-session TLS / HTTP/2 signature~
Multi-user-isolated sessions Cookies, storage, IP never crossed~~
$/GB transparent pricing Pay for data, not for time~

Categories, not products — measured behaviour against a public test harness. We don't name vendors here on purpose.

Exhibit E — Pricing

$5 per gigabyte.
Proxies included.

Pricing
$5 / GB transferred

Pay for data, not for time. Idle sessions cost nothing. Proxies included. 100 MB of credit on signup. Credits roll over — your unused $0.42 from last month is still there.

  • Residential proxies in 12 regions — no add-on SKU
  • A real browser, not a patched headless one
  • $10 minimum top-up · credits never expire
  • Pay-as-you-go — no seats, no commitment
The math, honest

A typical scrape run.

10,000 G2 product pages 2.1 GB
Avg session length 18 sec
Residential proxy included
Total on Chaser $10.50
Same run on a typical antidetect tool $75.00
Ready when you are

Same code.
Sites that finally answer.