Detroit, Michigan, United StatesFounded 201436+ employeesPrivate
$12.5M raisedSeries A· last: series a (Feb 2019)· 6 rounds
Backed by(13 investors)
Y Combinator · Lead+9 more
Castle lets you block bad bots, account takeovers, transaction fraud, and spam — all without the hassle of CAPTCHAs.
Founders
Open Positions at Castle (2 Jobs)
2 open
