Cloud browsers for AI agents.
And scraping. And automation.
Private. Fast. Absolute stealth. Any fingerprint.

              import { chromium } from 'playwright';

const { endpoint, token, id } = await fetch('https://api.browser.city/v1/sessions', {
  method: 'POST',
  headers: { Authorization: `Bearer ${process.env.BROWSERCITY_API_KEY}`, 'Content-Type': 'application/json' },
  body: JSON.stringify({ browser: 'chromium' }),
}).then((r) => r.json());

try {
  const browser = await chromium.connect(endpoint, {
    headers: { Authorization: `Bearer ${token}` },
  });
  const page = browser.contexts().at(0)!.pages().at(0)!;
  await page.goto('https://example.com');
  console.log(await page.title());
} finally {
  const { summary } = await fetch(`https://api.browser.city/v1/sessions/${id}`, {
    method: 'DELETE',
    headers: { Authorization: `Bearer ${process.env.BROWSERCITY_API_KEY}` },
  }).then((r) => r.json());
  console.log('Runtime seconds:', summary?.stats?.runtimeSeconds ?? 0);
  console.log('Cookies stored:', summary?.storage?.cookies?.length ?? 0);
}
            

              import os, requests
from playwright.sync_api import sync_playwright

auth = {'Authorization': f"Bearer {os.environ['BROWSERCITY_API_KEY']}"}
session = requests.post(
    'https://api.browser.city/v1/sessions', headers=auth, json={'browser': 'chromium'}
).json()
endpoint = session['endpoint']
token = session['token']
session_id = session['id']

playwright = None
try:
    playwright = sync_playwright().start()
    browser = playwright.chromium.connect(
        endpoint,
        headers={'Authorization': f'Bearer {token}'},
    )
    page = browser.contexts[0].pages[0]
    page.goto('https://example.com')
    print(page.title())
finally:
    try:
        deleted = requests.delete(f'https://api.browser.city/v1/sessions/{session_id}', headers=auth).json()
        summary = deleted.get('summary') or {}
        print('Runtime seconds:', (summary.get('stats') or {}).get('runtimeSeconds', 0))
        cookies = (summary.get('storage') or {}).get('cookies') or []
        print('Cookies stored:', len(cookies))
    finally:
        if playwright:
            playwright.stop()
            

              using Microsoft.Playwright;
using System.Net.Http.Headers;
using System.Net.Http.Json;
using System.Collections.Generic;

var http = new HttpClient();
http.DefaultRequestHeaders.Authorization = new(
    "Bearer", Environment.GetEnvironmentVariable("BROWSERCITY_API_KEY"));
var session = await (await http.PostAsJsonAsync(
    "https://api.browser.city/v1/sessions", new { browser = "chromium" }))
    .Content.ReadFromJsonAsync<Session>();
var (id, endpoint, token) = session!;

IPlaywright? pw = null;
try {
    pw = await Playwright.CreateAsync();
    var browser = await pw.Chromium.ConnectAsync(endpoint, new() {
        Headers = new() { ["Authorization"] = $"Bearer {token}" }
    });
    var page = browser.Contexts[0].Pages[0];
    await page.GotoAsync("https://example.com");
    Console.WriteLine(await page.TitleAsync());
} finally {
    try {
        if (session is not null) {
            var deleted = await (await http.DeleteAsync($"https://api.browser.city/v1/sessions/{id}"))
                .Content.ReadFromJsonAsync<DeleteSessionResponse>();
            Console.WriteLine($"Runtime seconds: {deleted?.Summary?.Stats?.RuntimeSeconds ?? 0}");
            Console.WriteLine($"Cookies stored: {deleted?.Summary?.Storage?.Cookies?.Count ?? 0}");
        }
    } finally {
        pw?.Dispose();
    }
}

record Session(string Id, string Endpoint, string Token);
record DeleteSessionResponse(DeleteSessionSummary? Summary);
record DeleteSessionSummary(DeleteSessionStats? Stats, DeleteSessionStorage? Storage);
record DeleteSessionStats(double? RuntimeSeconds);
record DeleteSessionStorage(List<object>? Cookies);
            

              import com.fasterxml.jackson.databind.ObjectMapper;
import com.microsoft.playwright.*;
import java.net.URI;
import java.net.http.*;
import java.util.Map;
import java.util.List;

public class Quickstart {
  public static void main(String[] args) throws Exception {
    var key = System.getenv("BROWSERCITY_API_KEY");
    var http = HttpClient.newHttpClient();
    var json = new ObjectMapper();
    var req = HttpRequest.newBuilder(URI.create("https://api.browser.city/v1/sessions"))
        .header("Authorization", "Bearer %s".formatted(key))
        .header("Content-Type", "application/json")
        .POST(HttpRequest.BodyPublishers.ofString("{\"browser\":\"chromium\"}"))
        .build();
    var created = json.readValue(http.send(req, HttpResponse.BodyHandlers.ofString()).body(), Session.class);
    var id = created.id();
    var endpoint = created.endpoint();
    var token = created.token();

    Playwright pw = null;
    try {
      pw = Playwright.create();
      var browser = pw.chromium().connect(endpoint,
          new BrowserType.ConnectOptions().setHeaders(Map.of("Authorization", "Bearer %s".formatted(token))));
      var page = browser.contexts().get(0).pages().get(0);
      page.navigate("https://example.com");
      System.out.println(page.title());
    } finally {
      try {
        var deleteResponse = http.send(HttpRequest.newBuilder(URI.create("https://api.browser.city/v1/sessions/" + id))
            .header("Authorization", "Bearer %s".formatted(key)).DELETE().build(), HttpResponse.BodyHandlers.ofString());
        if (deleteResponse.statusCode() / 100 != 2) {
          throw new RuntimeException("Delete failed: " + deleteResponse.statusCode());
        }
        var deleteBody = deleteResponse.body();
        if (deleteBody.strip().startsWith("{")) {
          var deleted = json.readValue(deleteBody, Map.class);
          Object runtimeSeconds = 0;
          int cookieCount = 0;
          if (deleted.get("summary") instanceof Map<?, ?> summary) {
            if (summary.get("stats") instanceof Map<?, ?> stats && stats.get("runtimeSeconds") != null) {
              runtimeSeconds = stats.get("runtimeSeconds");
            }
            if (summary.get("storage") instanceof Map<?, ?> storage && storage.get("cookies") instanceof List<?> cookies) {
              cookieCount = cookies.size();
            }
          }
          System.out.println("Runtime seconds: " + runtimeSeconds);
          System.out.println("Cookies stored: " + cookieCount);
        }
      } finally {
        if (pw != null) pw.close();
      }
    }
  }
  record Session(String id, String endpoint, String token) {}
}