Trust
Security & compliance
The vendor hasn’t added security or compliance details yet.
Account security platform detecting and preventing account takeover, fake accounts, and credential stuffing through real-time risk assessment.
Pricing
$200 / month
Founded
2014
Team size
11-50 employees
Headquarters
San Francisco, CA
Product Preview
Preview from castle.io
At a glance
Pricing model
Tiered plans
Try before you buy
Integrates with
Cloudflare
About Castle
Castle is a device-intelligence and account-abuse prevention platform for developers, stopping bots, fake accounts, account takeover, and fraud at signup, login, and checkout. It combines device fingerprinting, behavioral signals, and risk scoring exposed through APIs and SDKs. It is aimed at product and security teams protecting consumer web and mobile apps.
Pricing
$200 / monthPricing
Updated Aug 2026| Offering | Price | Billing terms |
|---|---|---|
| PlanPublished entry price | $200 / month | Starting price |
Buyer Fit & Positioning
Procurement & Fit
Structured facts from the vendor to help your security, finance, and procurement reviews move faster.
Pricing
Commercial model
Pricing model: Tiered plans
Free trial: Yes
Free plan: Yes
Contract minimum: Not specified
Procurement
Purchasing & legal
The vendor hasn’t added purchasing & legal details yet.
Fit
Best-fit company size
Company-size fit has not been specified yet.
Implementation & Procurement
Commercial Fit & Ecosystem
Proof, Outcomes & Momentum
Alternatives, Migration & Buyer Objections
Buy through Cubbie
Castle
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