Best Google reCAPTCHA Alternatives & Competitors in 2026

reCAPTCHA

Bot detection service that verifies human users through challenges

Lyrie Captcha Protection

Free, unlimited CAPTCHA bot protection for verified domains via 2-line HTML embed.

Akamai Bot & Abuse Protection

Bot detection & mitigation platform protecting against abuse & scraping

Imperva Account Takeover Protection

Protects login endpoints from account takeover attacks and credential fraud

Castle Device Intelligence

Device fingerprinting and intelligence for account security and fraud detection

Imperva Advanced Bot Protection

Bot protection for websites, mobile apps, and APIs against automated threats

Kasada Bot Defense

Bot defense platform protecting websites, mobile apps, and APIs from attacks

ZeroSpam Enterprise-Grade Reputation Engine

AI-powered reputation engine for blocking spam, bots, and malicious IPs via API.

ZeroSpam Zero Spam Protection

Spam and malicious traffic blocking service for websites and applications

CHEQ Go-to-Market Security Engine

Bot detection & invalid traffic blocking for go-to-market security

MirrorTab

Prevents automated attacks on web apps and APIs by blocking bots and fraud tools

DataDome Cyberfraud Protection Platform

Cloud-based bot detection and cyberfraud protection for web, mobile & APIs.

BadBot Gateway

IP reputation lookup service with scored indicators and community reports.