Castle

Account security platform for detecting and blocking account takeover attempts.

Pricing: free, subscription, usage
Free tier: true
Open source: No

Editorial review

Castle has not yet been editorially reviewed. User reviews and published field data below are unaffected — we say so rather than implying an editorial verdict.

Facts & attributes

Every value carries its evidence state. “—” means unknown — never a silent default (P-02).

Identity · Taxonomy

Documentation(HTTPS URL): https://docs.castle.ioVerified
Tags(open-source;cloud-native): fraud prevention, bot detection, device fingerprinting, IP intelligence, risk scoringVerification pending

Platform · Deployment

Delivery model(SaaS;self-hosted;desktop;mobile;embedded;managed-cloud;appliance): SaaSVerification pending

Pricing · Licensing

Free plan(true/false): trueVerification pending
Pricing model(free;subscription;usage;seat;asset;transaction;revenue-share;perpetual;custom): free, subscription, usageVerified
Starting price(29): 200Verified

Features · Product · Fit

Core capabilities(authoring;automation;analytics): IP intelligence detecting proxies, VPNs, Tor, and datacenter traffic, Device fingerprinting with 99.5% accuracy, Bot detection of scripts and coordinated attacks, AI scoring for account takeover attempts and abusive behavior, AI agent detection for browser automation tools, Email intelligence for disposable domains and enumeration patternsVerification pending

Api · Integrations · Ecosystem

API available(true/false): trueVerification pending

Security · Privacy · Compliance

Regulatory compliance(HIPAA;PCI DSS;FedRAMP;GDPR support): GDPRVerified
Security certifications(SOC 2 Type II;ISO 27001): SOC 2 Type IIVerified

Support · Docs · Services

Support channels(email;ticket;chat;phone;community): chat, email, dedicated Slack (Enterprise)Verification pending

Audience · Use · Case

Best for(Neutral editorial summary): Product and security teams stopping bots, account takeover and abuse via risk APIs, device fingerprinting and IP intelligenceVerification pending
Company-size fit(individual;SMB;mid-market;enterprise): SMB, enterpriseVerification pending
Primary use cases(build;monitor;automate): Fake accounts, Account takeovers, Multi-accounting, Content abuse, SMS pumping, API abuseVerified

Lifecycle · Versioning

Maintenance status(active;maintenance;deprecated;EOL;archived): activeVerified

User reviews

Review policy

No published reviews yet.