Jun 10, 2026Confidence A
Product0 evidence links
Castle product scope reviewed
Castle public product source reviewed for category placement and current operating focus.
No source evidence matched to this event.Status timeline
Funding, product, customer, team, and correction signalsJun 10, 2026Confidence B
Funding0 evidence links
Castle capital or status signal reviewed
Castle public source reviewed for capital or strategic-status timeline signal.
No source evidence matched to this event.Funding timeline
Amounts are shown only when disclosed and tied to evidence.Jun 10, 2026
Unknown
AmountUndisclosed
InvestorsY Combinator profile
EvidenceConfidence B
Source evidence
Public links, short factual summaries, and trust levelsCastle official product profile
Castle official site · officialCastle official source reviewed for product scope, operating focus, and category placement.
Open sourceCastle capital or status signal
Y Combinator Startup Directory · registryCastle public capital or strategic-status source reviewed for stage and timeline signal.
Open source