Castari

San Francisco, United States

Castari is a software development company that build, deploy, and scale sandboxed AI agents.

$500K raised

Dec 2025

Pre-Seed

Top Investors

Y Combinator

19,000+ verified contacts

Emails, phones & LinkedIn profiles

How much funding has Castari raised?

Castari has raised $500K in total funding. The most recent round was Pre-Seed. The last funding was announced in December 2025.

Who are Castari's investors?

Castari's investors include Y Combinator.

Where is Castari headquartered?

Castari is headquartered in San Francisco, United States.

What does Castari do?

Castari is a software development company that build, deploy, and scale sandboxed AI agents.

What stage is Castari at?

Castari is at the Pre-Seed stage.

Cite this page

Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated December 19, 2025.

MLA

"Castari — Funding & Investors." VCBacked, December 19, 2025, https://www.vcbacked.co/company/castari. Accessed June 4, 2026.

APA

VCBacked. (2025). Castari — Funding & Investors. Retrieved June 4, 2026, from https://www.vcbacked.co/company/castari

Wikipedia (cite web)

{{cite web |title=Castari — Funding & Investors |url=https://www.vcbacked.co/company/castari |website=VCBacked |access-date=June 4, 2026}}

Profile data sourced and verified per the VCBacked methodology. Last funding round dated December 19, 2025.