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Beginner / 4 min read

Smartproxy Setup Guide: How to Authenticate and Test Residential & Datacenter Proxies

A beginner-friendly walkthrough to set up Smartproxy, retrieve your proxy endpoint, configure authentication, and verify your first request using cURL and the browser extension.

HTTP(S) Privacy/Anonymity Other

Overview

Smartproxy is a residential and datacenter proxy network with over 65 million IPs. It offers flat monthly billing and supports HTTP and SOCKS5 protocols. This guide walks you through the initial setup: creating an account, finding your proxy endpoint, configuring authentication, and verifying that your proxy connection works. Whether you're using residential proxies for web scraping or datacenter proxies for speed, the setup steps are similar.

Prerequisites

  • A Smartproxy account (sign up on their website)
  • Access to the Smartproxy dashboard
  • A terminal or command prompt for testing (optional but recommended)
  • A browser if you plan to use the Smartproxy browser extension

Steps

  1. Create your Smartproxy account and choose a proxy type

    • Go to the Smartproxy website and sign up for an account.
    • After logging in, select either Residential or Datacenter proxies from the dashboard. Residential proxies are ideal for tasks requiring high anonymity and geo-targeting, while datacenter proxies are faster and more cost-effective for high-volume requests.
    • Smartproxy uses flat monthly billing, so choose the plan that fits your bandwidth needs.

  2. Locate your proxy endpoint and credentials

    • In the dashboard, navigate to the proxy type you purchased (e.g., Residential).
    • Find your endpoint (host and port). For residential proxies, a common endpoint is gate.smartproxy.com:7000, but your actual endpoint may differ. Always use the value shown in your dashboard.
    • Note your username and password for authentication. These are also displayed in the dashboard.

  3. Choose an authentication method

    • Smartproxy uses username/password authentication. You will include these in the proxy URL or configure them in your application.
    • If you prefer to whitelist your IP instead, check if the dashboard offers that option (availability may vary). For this guide, we'll use username/password.

  4. Configure the Smartproxy browser extension (optional)

    • Smartproxy offers a browser extension for Chrome and Firefox that simplifies proxy management.
    • Install the extension from your browser's add-on store, then log in with your Smartproxy credentials.
    • The extension lets you switch between proxy locations and IP rotation with a click, without manual configuration.

  5. Test your proxy with cURL

    • Open a terminal or command prompt.
    • To test an HTTP proxy, run: 
      curl -x http://username:[email protected]:7000 https://httpbin.org/ip
    • To test a SOCKS5 proxy, run: 
      curl -x socks5://username:[email protected]:7000 https://httpbin.org/ip
    • Replace username, password, and the endpoint with your actual credentials. If successful, the response will show the IP address of the proxy, not your own.

  6. Verify in your browser

    • If you installed the Smartproxy extension, enable it and visit an IP-checking site like https://httpbin.org/ip or https://whatismyipaddress.com.
    • You should see the proxy IP address instead of your real IP.
    • If you prefer manual browser configuration, set your browser's proxy settings to the endpoint and port, and enter your username/password when prompted.

Troubleshooting

  • Authentication error (407): Double-check your username and password. Ensure you're using the exact credentials from the dashboard, and that your subscription is active.
  • Connection timeout: Verify the endpoint host and port are correct. Also check your firewall or antivirus software—they may block proxy connections.
  • IP not changing: If you're using a rotating proxy endpoint, each request should use a new IP. If not, ensure you're using the rotating port (e.g., 7000 for residential). For sticky sessions, use the appropriate port as indicated in the dashboard.
  • SSL/TLS errors: When using HTTPS proxies, make sure your client supports CONNECT method. Most modern tools do. If issues persist, try SOCKS5 instead.
  • Browser extension not working: Log out and back in. Ensure the extension is allowed in your browser's settings.

Summary

Setting up Smartproxy is straightforward: create an account, grab your endpoint and credentials, configure authentication, and test with cURL or the browser extension. This beginner-friendly workflow lets you quickly start using residential or datacenter proxies for web scraping, privacy, or geo-testing. Remember to always use the endpoint and port shown in your dashboard, as they may change.