AuthKong
A reliable captcha service, offers advanced security to protect websites from spam and abuse while ensuring a user-friendly experience for legitimate visitors.
Some of the top features or benefits of AuthKong are: User-Friendly Interface, Scalability, Robust Security Features, Comprehensive Documentation, and Customizable Authentication Flows. You can visit the info page to learn more.
- Freemium
- $10.0 / Monthly ("2 Domains", "1,500,000 Requests Per Month", "1 Datacenter")
Best AuthKong Alternatives & Competitors in 2025
The best AuthKong alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
Latest update:
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/hcaptcha-alternativesDo you use a captcha to keep out bots? hCaptcha is a drop-in replacement for reCAPTCHA that earns website owners money and helps companies get their data labeled.
Key hCaptcha features:
Privacy Security Monetization Customization
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/geetest-captcha-alternativesGeeTest protects your websites, mobile Apps and APIs from bot threats.
Key GeeTest CAPTCHA features:
User-friendly design High security Mobile compatibility Customizable
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Try for freeEnsure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.
Key Netumo features:
Monitoring SSL Monitoring Twitter SMS notifications
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/mtcaptcha-alternativesEnterprise Captcha solutions.
Key MTcaptcha features:
High Security Standards User-Friendly Experience Customizability Accessibility Compliance
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/recaptcha-alternativesreCAPTCHA is a free security service that protects your websites from spam and abuse.
Key reCAPTCHA features:
Security Ease of Implementation User Experience Constant Improvement
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/datadome-alternativesDataDome provides innovative technology and human expertise to block bad bots.
Key DataDome features:
Advanced Bot Protection Machine Learning Algorithms Comprehensive Dashboard Ease of Integration
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/solve-media-alternativesSolve Media's cost per engagement platform offers advertisers branded CAPTCHA and skippable Pre-Roll while providing publishers with enhanced security and a new revenue solution.
Key Solve Media features:
Enhanced Security Advertising Revenue User Engagement Mobile Compatibility
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/perimeterx-bot-defender-alternativesPerimeterX Bot Defender prevents automated attacks by detecting and protecting against malicious web and mobile behavior.
Key PerimeterX Bot Defender features:
Comprehensive Protection Behavioral Analysis Real-time Monitoring Easy Integration
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/uniqpin-alternativesUniqPin is a free for non-commercial use service which destiny improve ability of interfaces detect...
Key UniqPin features:
Unique Identification Enhanced Security User-friendly Interface Scalability
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/altcha-alternativesALTCHA is a free CAPTCHA alternative that uses a proof-of-work mechanism to protect your website, and online services from spam.
Key ALTCHA features:
Privacy-friendly, GDPR compliant Frustration-free Spam Filtering Open-source
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/mosparo-alternativesthe modern spam protection.
Key mosparo features:
Accessible Data-saving Free-to-use Self-hosted
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/arkose-labs-alternativesArkose Labs fraud and abuse prevention platform delivers long-term protection against all forms of abuse by sabotaging attackers' ROI.
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/deathbycaptcha-alternativesDeathbycaptcha is a smart captcha solving software which you can integrate into your web-based application or get it linked with your website.
Key Deathbycaptcha features:
Affordability Broad CAPTCHA support API Integration 24/7 Availability
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/negative-captcha-alternativesA plugin to make the process of creating a negative captcha in Rails much less painful.
Key Negative Captcha features:
User Experience Accessibility Simplicity Bot Mitigation
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