Explainers

Understand how re CAPTCHA v 2 callbacks work, how to find the callback function name, and how to trigger it af...

Manage IP reputation for CAPTCHA solving workflows. Understand IP scoring, proxy rotation, and how IP quality...

How browser fingerprinting affects CAPTCHA challenges, what signals trigger CAPTCHAs, and how to reduce detect...

Understand how modern CAPTCHAs adjust difficulty based on user behavior, risk scores, and browsing patterns. L...

Learn how audio CAPTCHA challenges work across re CAPTCHA, h Captcha, and other providers. Understand accessib...

How computer vision techniques power CAPTCHA solving — from convolutional neural networks to object detection...

Manage Captcha AI API keys across teams. Sub-keys, usage tracking per user, spending limits, and team administ...

Understand how User-Agent strings affect CAPTCHA behavior on mobile, how providers detect inconsistencies, and...

Cloudflare's "I'm Under Attack Mode" (IUAM) is a DDo S defense that forces every visitor through a 5-second Ja...

Understand compliance considerations when using CAPTCHA solving services in healthcare, finance, government, a...

When your scraper hits a re CAPTCHA v 2 challenge, the workflow stops. The page waits for a human to solve the...

Understand the difference between re CAPTCHA Enterprise site keys and API keys, how each is used in the verifi...