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Captcha solving guides for automation developers.

Integration guides, captcha workflows and platform notes from the SurSolver team.

11 articles in #how-toClear

Stop Getting Blocked While Scraping: 403s, Bans, Limits

Tell an IP ban from a rate limit or a challenge loop, set backoff and retry budgets, and decide when to keep an identity and when to rotate it.7 min read python

Solve CAPTCHAs in a Python Scraper with an API

A small Python module for createTask and getTaskResult, plus a requests scraper that submits a reCAPTCHA v2 form, retries sensibly and keeps one proxy.7 min read selenium

Selenium Captcha Solving in Python, JavaScript and C#

Read the site key with Selenium, solve the captcha through the SurSolver API, put the token into the page and submit, in three languages.8 min read proxies

Proxies for CAPTCHA Solving: Sticky Sessions and IP Matching

Which captcha task types need your proxy, how to keep one exit IP from solve to replay, and how to send it to createTask in either format.7 min read playwright

Playwright CAPTCHA Solving: An End-to-End Recipe

One Node.js script that finds a reCAPTCHA v2 widget in a Playwright page, solves it through the SurSolver API, injects the token and submits the form.7 min read how-to

How to Identify a CAPTCHA and Find Its Parameters

Tell the CAPTCHA on a page apart from its markers, then read the site key and the values that change on every load, using DevTools and a small hook.9 min read scraping

How to Submit a Captcha Token: Fields, Callbacks, Cookies

Where a solved token goes on the page: the hidden field, the JavaScript callback or a cookie jar, and how to trigger the submit afterwards.8 min read geetest

GeeTest v3 vs v4: detect, extract, solve, submit

Tell GeeTest v3 from v4 in the page source, build the right createTask body for each, mint a fresh v3 challenge per solve and submit the result.8 min read friendlycaptcha

Friendly Captcha solver API: sitekey, version and token

Find the sitekey and widget version, create a Friendly Captcha task, and put the returned token in the right field with the widget script blocked.9 min read captchafox

CaptchaFox solver API: solve CaptchaFoxTask end to end

Create a CaptchaFoxTask with your own proxy, poll for the token and submit cf-captcha-response from the same IP, with working Python and Playwright code.8 min read fingerprint

Headers, User-Agent and TLS: Why Solved Tokens Get Rejected

What must stay identical between a captcha solve and the request that uses it: IP, user agent, Client Hints, language, header order and TLS.7 min read