Browser Profile Api: Browser Isolation Guide (2026)

What Is a Browser Profile API?

A browser profile API is a programmatic interface that lets you create, configure, launch, and manage isolated browser profiles through code rather than a graphical interface. Instead of manually clicking through a UI to create profiles, assign proxies, and set fingerprints, you make HTTP requests or call SDK methods that do it automatically.

Browser profile APIs are the backbone of scalable multi-account operations. Whether you’re managing 10 social media accounts or automating 1000 e-commerce storefronts, the API lets you integrate browser profile management into your existing automation pipelines, CI/CD workflows, and business applications.

Why Use a Browser Profile API?

Manual vs API-Driven Profile Management

Task	Manual (GUI)	API-Driven
Create 100 profiles	2-3 hours clicking through UI	30 seconds via script
Update proxy on all profiles	Edit each profile individually	One API call with loop
Launch profiles in sequence	Click “Start” on each one	Automated scheduling
Export profile status report	Manual tracking in spreadsheet	API query returns JSON
Integrate with CRM/ERP	Not possible	Direct integration via API
Error recovery	Manual restart when something breaks	Automatic retry and health checks

Core Browser Profile API Operations

CRUD Operations

// Create a new browser profile
POST /api/v1/profiles
{
  "name": "Facebook-Account-1",
  "browser": "chrome",
  "os": "windows",
  "proxy": {
    "type": "http",
    "host": "proxy.example.com",
    "port": 8080,
    "username": "user",
    "password": "pass"
  },
  "fingerprint": {
    "screen": "1920x1080",
    "language": "en-US",
    "timezone": "America/New_York",
    "webgl": "auto",
    "canvas": "noise"
  }
}

// List all profiles
GET /api/v1/profiles?page=1&limit=50

// Get profile details
GET /api/v1/profiles/{profile_id}

// Update profile configuration
PATCH /api/v1/profiles/{profile_id}
{
  "proxy": {
    "host": "new-proxy.example.com",
    "port": 9090
  }
}

// Delete a profile
DELETE /api/v1/profiles/{profile_id}

Session Management

// Start a browser session
POST /api/v1/profiles/{profile_id}/start
Response: {
  "session_id": "abc123",
  "ws_endpoint": "ws://localhost:9222/devtools/browser/abc123",
  "debug_port": 9222
}

// Connect Puppeteer/Playwright to the session
const browser = await puppeteer.connect({
  browserWSEndpoint: response.ws_endpoint
});

// Stop a session
POST /api/v1/profiles/{profile_id}/stop

// Get active sessions
GET /api/v1/sessions?status=active

Popular Browser Profile APIs

Platform	API Type	Automation Support	Pricing
Multilogin	REST API + Local API	Selenium, Puppeteer, Playwright	From €99/month
AdsPower	Local REST API	Selenium, Puppeteer	From $9/month
GoLogin	REST API	Selenium, Puppeteer, Playwright	From $49/month
Dolphin Anty	REST API	Selenium, Puppeteer	From $89/month
Browserless	HTTP API	Puppeteer, Playwright (headless)	From $0 (self-hosted)
Send.win	Cloud API (coming)	Cloud-based profiles	Free tier available

Integrating Browser Profile APIs with Automation Frameworks

Puppeteer Integration

const puppeteer = require('puppeteer-core');

async function runWithProfile(profileId) {
  // 1. Start profile via API
  const response = await fetch(`http://localhost:3001/api/v1/profiles/${profileId}/start`, {
    method: 'POST',
    headers: { 'Authorization': 'Bearer YOUR_API_KEY' }
  });
  const { ws_endpoint } = await response.json();

  // 2. Connect Puppeteer to the running profile
  const browser = await puppeteer.connect({
    browserWSEndpoint: ws_endpoint,
    defaultViewport: null
  });

  // 3. Automate actions
  const page = await browser.newPage();
  await page.goto('https://example.com');
  await page.type('#username', 'my_username');
  await page.type('#password', 'my_password');
  await page.click('#login-button');

  // 4. Close and save session
  await browser.disconnect();
  await fetch(`http://localhost:3001/api/v1/profiles/${profileId}/stop`, {
    method: 'POST',
    headers: { 'Authorization': 'Bearer YOUR_API_KEY' }
  });
}

Playwright Integration

const { chromium } = require('playwright');

async function automateProfile(profileId) {
  // Start session via API
  const res = await fetch(`/api/profiles/${profileId}/start`, { method: 'POST' });
  const { ws_endpoint } = await res.json();

  // Connect Playwright
  const browser = await chromium.connectOverCDP(ws_endpoint);
  const context = browser.contexts()[0];
  const page = context.pages()[0] || await context.newPage();

  // Run automation
  await page.goto('https://target-site.com');
  const data = await page.evaluate(() => document.title);
  console.log('Page title:', data);

  await browser.close();
}

Selenium Integration

from selenium import webdriver
from selenium.webdriver.chrome.options import Options
import requests

def run_with_profile(profile_id):
    # Start profile via API
    resp = requests.post(
        f'http://localhost:3001/api/v1/profiles/{profile_id}/start',
        headers={'Authorization': 'Bearer YOUR_API_KEY'}
    )
    debug_port = resp.json()['debug_port']

    # Connect Selenium
    options = Options()
    options.debugger_address = f'127.0.0.1:{debug_port}'
    driver = webdriver.Chrome(options=options)

    # Automate
    driver.get('https://example.com')
    print(driver.title)

    # Cleanup
    driver.quit()
    requests.post(f'http://localhost:3001/api/v1/profiles/{profile_id}/stop')

Building Scalable Multi-Account Workflows

Architecture Pattern: Worker Pool

Worker Pool Architecture:
┌─────────────────────────────┐
│     Task Queue (Redis)       │
│  [Task1] [Task2] [Task3]... │
└──────────┬──────────────────┘
           │
    ┌──────┼──────┐
    ▼      ▼      ▼
┌──────┐┌──────┐┌──────┐
│Worker││Worker││Worker│
│  1   ││  2   ││  3   │
└──┬───┘└──┬───┘└──┬───┘
   │       │       │
   ▼       ▼       ▼
┌──────┐┌──────┐┌──────┐
│Prof. ││Prof. ││Prof. │
│API   ││API   ││API   │
│Start ││Start ││Start │
└──────┘└──────┘└──────┘

Example: Social Media Posting Across 50 Accounts

import asyncio
import aiohttp

API_BASE = 'http://localhost:3001/api/v1'
API_KEY = 'YOUR_API_KEY'

async def post_to_account(session, profile_id, content):
    # Start profile
    async with session.post(
        f'{API_BASE}/profiles/{profile_id}/start',
        headers={'Authorization': f'Bearer {API_KEY}'}
    ) as resp:
        data = await resp.json()
        ws_endpoint = data['ws_endpoint']

    # Connect and post (simplified)
    # ... Puppeteer/Playwright automation here ...

    # Stop profile
    await session.post(f'{API_BASE}/profiles/{profile_id}/stop')

async def main():
    profiles = await get_all_profiles()  # GET /api/v1/profiles
    content = "Today's scheduled post content"

    async with aiohttp.ClientSession() as session:
        # Run 5 concurrent workers
        semaphore = asyncio.Semaphore(5)
        async def worker(profile):
            async with semaphore:
                await post_to_account(session, profile['id'], content)

        await asyncio.gather(*[worker(p) for p in profiles])

asyncio.run(main())

Fingerprint Configuration via API

Parameter	API Field	Options
Screen resolution	fingerprint.screen	“1920×1080”, “1366×768”, “2560×1440”
Canvas noise	fingerprint.canvas	“noise”, “block”, “real”
WebGL renderer	fingerprint.webgl	“auto”, custom vendor/renderer string
Timezone	fingerprint.timezone	IANA timezone (e.g., “America/Chicago”)
Language	fingerprint.language	BCP-47 (e.g., “en-US”, “de-DE”)
User-Agent	fingerprint.userAgent	Custom or “auto” for realistic UA
Platform	fingerprint.platform	“Win32”, “MacIntel”, “Linux x86_64”

Security Best Practices for Browser Profile APIs

Authentication and Authorization

• API key rotation: Rotate keys every 90 days minimum
• Rate limiting: Prevent abuse with per-key rate limits
• IP allowlisting: Restrict API access to known server IPs
• Scoped permissions: Read-only keys for monitoring, write keys for management

How Send.win Helps You Master Browser Profile Api

Send.win makes Browser Profile Api simple and secure with powerful browser isolation technology:

• Browser Isolation – Every tab runs in a sandboxed environment
• Cloud Sync – Access your sessions from any device
• Multi-Account Management – Manage unlimited accounts safely
• No Installation Required – Works instantly in your browser
• Affordable Pricing – Enterprise features without enterprise costs

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Experience the power of browser isolation with our free demo:

• Instant Access – Start testing in seconds
• Full Features – Try all capabilities
• Secure – Bank-level encryption
• Cross-Platform – Works on desktop, mobile, tablet
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Credential Management

• Never hardcode API keys or proxy credentials in source code
• Use environment variables or secrets managers (AWS Secrets Manager, HashiCorp Vault)
• Encrypt stored proxy credentials at rest
• Audit API access logs regularly

Cloud vs Local Browser Profile APIs

Factor	Local API (Desktop App)	Cloud API (Send.win etc.)
Latency	Very low (localhost)	Network dependent
Scalability	Limited by local hardware	Cloud-scalable
Resource usage	Heavy local CPU/RAM	Minimal local resources
Cross-device access	Tied to one machine	Accessible from anywhere
Team access	Complex to share	Built-in session sharing
Maintenance	Self-managed updates	Fully managed

Common Use Cases

1. E-Commerce Multi-Store Management

API creates and manages a browser profile per store. Automation logs into each store, checks orders, updates inventory, and responds to customer messages — all with isolated fingerprints and IPs so platforms don’t link accounts together.

2. Social Media Scheduling

API-managed profiles connect to scheduling tools. Each social media account gets its own browser session with a consistent fingerprint, making automated posts appear to come from regular user activity.

3. Web Scraping at Scale

Profiles configured via API with rotating proxies and randomised fingerprints. Failed scraping sessions automatically restart with fresh profiles. Data collection runs 24/7 without manual intervention.

4. QA Test Automation

CI/CD pipelines create temporary browser profiles via API for end-to-end testing. Each test run gets a clean, isolated profile. Profiles are automatically destroyed after tests complete.

Frequently Asked Questions

Do all antidetect browsers have APIs?

Most major platforms offer APIs, but depth varies significantly. Multilogin and GoLogin offer the most mature REST APIs. AdsPower provides a local API. Cloud platforms like Send.win are developing full API access. Always check the specific API documentation before committing to a platform for automation use cases.

Can I use Selenium with browser profile APIs?

Yes — most browser profile APIs expose a debug port or WebSocket endpoint that Selenium, Puppeteer, and Playwright can connect to. The typical flow is: start profile via API → get connection endpoint → connect automation framework → run tasks → stop profile via API.

How many concurrent profiles can an API handle?

Local APIs are limited by your hardware — typically 5-20 concurrent browser profiles on a standard machine (~1-2GB RAM per profile). Cloud-based APIs can handle hundreds of concurrent profiles because the browsers run on remote infrastructure, not your local machine.

Is browser profile API access included in all plans?

Usually not — API access is typically available on mid-tier or higher plans. Free tiers rarely include API access. Check pricing pages carefully if API integration is a requirement for your workflow.

What’s the difference between a browser profile API and headless browser tools?

Headless browser tools (Puppeteer, Playwright) control a browser programmatically but don’t manage persistent profiles with unique fingerprints. A browser profile API adds isolated browser profiles — persistent cookies, unique fingerprints, proxy assignment — on top of the browser automation layer.

Conclusion

A browser profile API transforms multi-account management from a manual, error-prone workflow into a scalable, automated system. By programmatically creating profiles, assigning fingerprints and proxies, and connecting automation frameworks, you can manage hundreds of accounts with the reliability of code rather than the limitations of human clicking.

For teams looking for API-driven multi-account management without building infrastructure from scratch, cloud browser platforms like Send.win provide managed profile isolation with team sharing built in — letting you focus on your automation logic rather than browser infrastructure.

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