Castle
Account Security & ATO Prevention
Castle provides account security and account takeover prevention through real-time user and device monitoring. Their SDK tracks login events, account changes, and behavioral signals to score session risk — enabling fraud teams to challenge or block suspicious activity with minimal friction to legitimate users.
At a glance
Built for
SaaS · Fintechs · E-commerce · Developer Teams
Based in
San Francisco, CA
Founded
2015
Official source
castle.ioProfile snapshot
The essentials at a glance
A concise overview of where Castle fits in the financial crime technology landscape.
Category
Fraud Platform
Customer focus
SaaS, Fintechs, E-commerce, Developer Teams
Headquarters
San Francisco, CA
Typical deployment
1 week
Capabilities and implementation
What this vendor profile covers
Use these published details to understand the vendor’s broad scope and implementation surface before moving into personalized analysis.
Directory detail
Public capabilities
- Account Takeover
- Login Security
- Session Risk
- ATO
- Developer SDK
Directory detail
Deployment options
- Cloud / SaaS
- API
- JavaScript SDK
- Mobile SDK
Directory detail
Common integrations
- REST API
- Webhooks
- Slack
- PagerDuty
- Custom integrations
Directory detail
Trust and support details
- SOC 2 Type II
- GDPR
- Documentation
- Chat Support
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