SurSolver

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Captcha solving guides for automation developers.

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

10 articles in #scrapingClear

guide

What Is a CAPTCHA? Types, How They Work, When They Fail

How a CAPTCHA reaches its decision, the four kinds of check you meet when automating a site, and why a check that looks passed can still be refused.8 min read
scraping

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
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
legal

Is Web Scraping Legal? Questions to Ask Before You Build

Web scraping has no single legal answer. Split it into four separate questions, run a practical checklist, and know when to ask counsel.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
comparison

How to Choose a CAPTCHA Solving Service: A Benchmark Method

The criteria that matter, how to benchmark candidates on your own targets, a script to record the results and a worksheet to compare them.8 min read
cost

CAPTCHA Solving Costs: What Drives Them and How to Cut Them

Where a captcha-solving bill actually comes from, which waste you can remove in your own code, and how to watch your balance before it runs out.8 min read