076 API 271747ff

Browser Rendering API

REST API

Base: https://api.cloudflare.com/client/v4/accounts/{accountId}/browser-rendering
Auth: Authorization: Bearer <token> (Browser Rendering - Edit permission)

Endpoints

curl -X POST '.../browser-rendering/screenshot' \
  -H "Authorization: Bearer $TOKEN" \
  -d '{"url":"https://example.com","screenshotOptions":{"fullPage":true}}'

Workers Binding

// wrangler.jsonc
{ "browser": { "binding": "MYBROWSER" } }

Puppeteer

import puppeteer from '@cloudflare/puppeteer'

const browser = await puppeteer.launch(env.MYBROWSER, { keep_alive: 600000 })
const page = await browser.newPage()
await page.goto('https://example.com', { waitUntil: 'networkidle0' })

// Content
const html = await page.content()
const title = await page.title()

// Screenshot/PDF
await page.screenshot({ fullPage: true, type: 'png' })
await page.pdf({ format: 'A4', printBackground: true })

// Interaction
await page.click('#button')
await page.type('#input', 'text')
await page.evaluate(() => document.querySelector('h1')?.textContent)

// Session management
const sessions = await puppeteer.sessions(env.MYBROWSER)
const limits = await puppeteer.limits(env.MYBROWSER)

await browser.close()

Playwright

import { launch, connect } from '@cloudflare/playwright'

const browser = await launch(env.MYBROWSER, { keep_alive: 600000 })
const page = await browser.newPage()

await page.goto('https://example.com', { waitUntil: 'networkidle' })

// Modern selectors
await page.locator('.button').click()
await page.getByText('Submit').click()
await page.getByTestId('search').fill('query')

// Context for isolation
const context = await browser.newContext({
  viewport: { width: 1920, height: 1080 },
  userAgent: 'custom',
})

await browser.close()

Session Management

// List sessions
await puppeteer.sessions(env.MYBROWSER)

// Connect to existing
await puppeteer.connect(env.MYBROWSER, sessionId)

// Check limits
await puppeteer.limits(env.MYBROWSER)
// { remaining: ms, total: ms, concurrent: n }

Key Options