How to use a proxy with Puppeteer

npm i puppeteer

import puppeteer from 'puppeteer';const browser = await puppeteer.launch({  args: ['--proxy-server=http://proxy.arcproxies.io:8000'],   // host and port only});const page = await browser.newPage();await page.authenticate({ username: 'USERNAME_pool-arcfast_country-de_session-k3f9a1x2_sesstime-10', password: 'PASSWORD' });const res = await page.goto('https://api.ipify.org?format=json');console.log(res.status(), await page.evaluate(() => document.body.innerText));await browser.close();

import puppeteer from 'puppeteer';import { randomBytes } from 'node:crypto';const BASE = 'USERNAME_pool-arcfast_country-de';   // pool + country; the session is added per taskconst browser = await puppeteer.launch();async function runTask(url) {  const handle = randomBytes(4).toString('hex');      // new handle, new exit IP  const context = await browser.createBrowserContext({    proxyServer: 'http://proxy.arcproxies.io:8000',  });  try {    const page = await context.newPage();    await page.authenticate({      username: `${BASE}_session-${handle}_sesstime-10`,      password: 'PASSWORD',    });    const res = await page.goto(url, { waitUntil: 'domcontentloaded' });    return { url, status: res?.status(), title: await page.title() };  } finally {    await context.close();  }}console.log(await Promise.all(['https://example.com/a', 'https://example.com/b'].map(runTask)));await browser.close();

const MARKETS = {  'de-munich':  'USERNAME_pool-arcfast_country-de_city-munich',  'gb-london':  'USERNAME_pool-arcfast_country-gb_city-london',  'jp-tokyo':   'USERNAME_pool-arcfast_country-jp_city-tokyo',};for (const [label, username] of Object.entries(MARKETS)) {  const context = await browser.createBrowserContext({ proxyServer: 'http://proxy.arcproxies.io:8000' });  const page = await context.newPage();  await page.authenticate({ username, password: 'PASSWORD' });  await page.goto('https://example.com/pricing');  console.log(label, await page.$eval('h1', (el) => el.textContent));  await context.close();}

import { TimeoutError } from 'puppeteer';import { randomBytes } from 'node:crypto';import { setTimeout as sleep } from 'node:timers/promises';async function fetchHtml(browser, url, attempts = 3) {  for (let attempt = 0; attempt < attempts; attempt++) {    const context = await browser.createBrowserContext({ proxyServer: 'http://proxy.arcproxies.io:8000' });    try {      const page = await context.newPage();      await page.authenticate({        username: `USERNAME_pool-arcfast_country-de_session-${randomBytes(4).toString('hex')}_sesstime-10`,        password: 'PASSWORD',      });      const res = await page.goto(url, { timeout: 30_000 });      const status = res?.status() ?? 0;      if (status === 407) throw new Error('407: check the proxy username and password');      if (status === 429 || status >= 500) { await sleep(5000 * 2 ** attempt); continue; }      return await page.content();    } catch (err) {      const retryable = err instanceof TimeoutError || String(err.message).includes('net::ERR_');      if (!retryable) throw err;      await sleep(1000 * 2 ** attempt);    } finally {      await context.close();    }  }  throw new Error(`gave up on ${url}`);}