Configuration

npm install @cloudflare/puppeteer  # or @cloudflare/playwright

{
  "name": "browser-worker",
  "main": "src/index.ts",
  "compatibility_date": "2025-01-01",
  "compatibility_flags": ["nodejs_compat"],
  "browser": {
    "binding": "MYBROWSER"
  }
}

interface Env {
  MYBROWSER: Fetcher;
}

export default {
  async fetch(request: Request, env: Env): Promise<Response> {
    // ...
  }
} satisfies ExportedHandler<Env>;

wrangler dev --remote  # --remote required for browser binding

curl -X POST \
  'https://api.cloudflare.com/client/v4/accounts/{accountId}/browser-rendering/screenshot' \
  -H 'Authorization: Bearer TOKEN' \
  -d '{"url": "https://example.com"}' --output screenshot.png