AZcaptcha Blog
Captcha solving tips, API guides, and product updates.
hCaptcha vs reCAPTCHA: What's Different and How to Automate Both
hCaptcha and reCAPTCHA look interchangeable but differ in vendor, sitekey format, and response field. See what changes — and why one create-poll-inject pattern solves both.
reCAPTCHA v2 vs v3 vs Enterprise: Key Differences (and How Each Is Solved)
Google ships three products under the reCAPTCHA name and they behave nothing alike. Compare v2, v3, and Enterprise — what each returns, how to tell them apart, and the matching AZcaptcha task type.
AntiCaptcha vs 2Captcha vs AZcaptcha: API Compatibility & Migration
AZcaptcha implements both the AntiCaptcha (createTask/getTaskResult) and 2Captcha (in.php/res.php) APIs, so migrating is usually just a base-URL swap. Here is how.
What Is a CAPTCHA? Types, How They Work & How They're Solved
A plain-English tour of CAPTCHAs — image/text, reCAPTCHA v2/v3, hCaptcha, Cloudflare Turnstile and Challenge, FunCaptcha and more — how they detect bots, and how they get solved programmatically.
hCaptcha vs reCAPTCHA: What's Different and How to Automate Both
hCaptcha and reCAPTCHA look interchangeable but differ in vendor, sitekey format, and response field. See what changes — and why one create-poll-inject pattern solves both.
reCAPTCHA v2 vs v3 vs Enterprise: Key Differences (and How Each Is Solved)
Google ships three products under the reCAPTCHA name and they behave nothing alike. Compare v2, v3, and Enterprise — what each returns, how to tell them apart, and the matching AZcaptcha task type.
AntiCaptcha vs 2Captcha vs AZcaptcha: API Compatibility & Migration
AZcaptcha implements both the AntiCaptcha (createTask/getTaskResult) and 2Captcha (in.php/res.php) APIs, so migrating is usually just a base-URL swap. Here is how.
What Is a CAPTCHA? Types, How They Work & How They're Solved
A plain-English tour of CAPTCHAs — image/text, reCAPTCHA v2/v3, hCaptcha, Cloudflare Turnstile and Challenge, FunCaptcha and more — how they detect bots, and how they get solved programmatically.