Castle

Active · Block bots & bad behavior

Why it ranks

13signal of 100 · rising 2

A sum of public facts, not a judgement and not investment advice.

Companies closest to Castle
Company	Category	Status	Program
SmyteShared: fraud detection, security, badYC W15AcquiredOther	Other	Acquired	YCW15
KeyriShared: account takeovers, security, badYC S21AcquiredOther	Other	Acquired	YCS21

Companies next to Castle
Company	Category	Status	Program
ObservaShared: security, badYC W21InactiveOther	Other	Inactive	YCW21
Evo.DoShared: botsYC W19InactiveAI, Devtools	AI, Devtools	Inactive	YCW19
Gamma NetworksShared: security, behaviorSPC 2018AcquiredOther	Other	Acquired	SPC2018
GolfShared: security, policyYC X25ActiveAI, Devtools	AI, Devtools	Active	YCX25
CloudanixShared: security, accountYC S21ActiveDevtools	Devtools	Active	YCS21

Company	Category	Status
GitPrimeVisibility and analytics for software development leaders.team of 110YC top companyAcquiredDevtools	Devtools	Acquired
MuxVideo infrastructure for developersteam of 95ActiveDevtools	Devtools	Active
RedspreadVersion control for software environmentsacquiredAcquiredDevtools	Devtools	Acquired
ThunkableThunkable is the no-code platform to build powerful native mobile appsteam of 40hiringActiveDevtools	Devtools	Active
ChatfuelPlatform to easily create chatbots to engage with audiences on…team of 532 programsActiveDevtools	Devtools	Active
MioMio powers seamless communication between workplace chat apps.team of 12ActiveDevtools	Devtools	Active

Instantly stop automated and human-originated account takeovers, fake accounts, and any behavior that violates your platform policies.

Which YC batch was Castle in?

Castle was in Y Combinator's Winter 2016 batch (W16).

Is Castle still active?

Y Combinator lists Castle as active.

Where is Castle based?

Castle lists San Francisco, CA, USA; Remote as its location on YC's directory.