CAPTCHA Proxies: How Proxies Reduce CAPTCHAs

"CAPTCHA proxy" is a use, not a separate product. It means a proxy chosen and used so that a target shows as few challenges as possible: IPs with a clean history, from home or mobile networks, in the country the session claims, with one IP held for each session. The same residential proxies you would use for any scraping job are what providers sell under that name.

It is not a CAPTCHA solver. A proxy changes who appears to be asking; a solver answers the challenge once it is shown. Many setups use both: the proxy keeps the challenge rate low, and a solver or a person handles the rest.

Modern CAPTCHA services score each visitor in the background and show a task only when the score is doubtful (CAPTCHA providers compared). Several of the inputs to that score belong to the IP, and those are the ones a proxy can change:

The other inputs (your request rate overall, your headers, your browser's fingerprint and its automation traces) don't change with the proxy. If they give you away, a better IP shows you fewer CAPTCHAs only until the site learns the pattern.

Mobile proxies usually see the fewest challenges, at a higher price per GB; residential proxies are the usual balance. For sites with no bot protection, datacenter proxies are enough and cost less.

Both, depending on how you rotate:

• Rotate between sessions: a new IP for each independent page or each new browser session spreads the load and helps.
• Don't rotate inside a session: if one visitor's cookies show up from a new IP on every page, the session looks hijacked or scripted, and many sites challenge it. Keep a sticky IP while a session lasts, especially through a challenge, because some CAPTCHA tokens are checked against the visitor's IP; hCaptcha, for example, lets the site send the user's IP with the token check to improve accuracy (hCaptcha docs).

ProxyField gives you both modes on one gateway: a new IP on every request, or a sticky session from 30 s to 36 h (presets 1, 5, 10 and 30 min, 1, 3 and 6 h). This Playwright sketch sends one browser context through the gateway with a New York IP and matches the locale and time zone to it. As written, it gets a new IP on every request; to keep one IP for the context, add a session id (below). Per-context proxies work as shown in current Playwright versions; on an old version, set the proxy at launch instead.

from playwright.sync_api import sync_playwright

with sync_playwright() as p:
    browser = p.chromium.launch()
    context = browser.new_context(
        proxy={"server": "http://gate.proxyfield.io:7000",
               "username": "<login>-country-us-city-new_york", "password": "<password>"},
        locale="en-US", timezone_id="America/New_York",
    )
    page = context.new_page()
    page.goto("https://example.com/")
    print(page.title())
    browser.close()

The sticky-session parameter goes in the username: -region-<region>, -session-<id> and -ttl-<seconds> (30 to 129,600 seconds, 20 minutes by default) after the location, as in <login>-country-us-region-new_york-city-new_york-session-he9f2qga-ttl-600.

If challenges continue on good IPs, the cause is usually on the client side:

When many different IPs get CAPTCHAs at the same moment, it is rarely the IPs: the site has either recognized your client across them, or switched its challenge on for everyone. Changing IPs faster makes the burst worse; pause, check the points above and change the client.

Google is the CAPTCHA case most people know: the "unusual traffic from your computer network" page appears when rank checks or searches come too fast from one IP. SEO proxies don't change that rule; they keep each IP's share of the traffic small and in the right location. How to set up rank checks by country and city is in Google proxies.

If you would rather not handle Google's checks at all, the Google SERP API returns the results page as JSON, with the AI Overview, the People Also Ask block and the local pack parsed, from $1.20 down to $0.80 per 1,000 successful results, billed on successful results only; contact sales.

Start with the proxy and the client: keeping challenges rare costs less than solving every one. When challenges remain, solver services are compared in our review of solver services, and the full set of options in how to avoid and solve CAPTCHAs when scraping. A CAPTCHA is also the site telling you it limits automated access, so read its terms and check what it allows: is web scraping legal.

Residential and mobile IPs on one gateway. ProxyField residential proxies and mobile proxies: 412M+ residential and 10.2M+ mobile IPs, sticky sessions up to 36 h, country, region and city targeting, from $1.95/GB with no subscription. Start with the Easy Trial (1 GB); traffic never expires, and all purchases are final.