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Hark

A secretive AI company is building a “universal” interface intended as a broad access layer for interacting with AI systems.

Enterprise AI
AI Interface
Total Raised
$700M
Last Valuation
$3.5B
Headquarters
San Francisco, CA

Overview

Hark is developing a secretive “universal” AI interface, according to its Series A round description. The company has disclosed little about its product architecture, customers or deployment model, but the positioning suggests an interface layer for accessing or coordinating AI capabilities. The company raised $700 million in a Series A announced on 2026-05-21, representing its full disclosed funding to date. The unusually large early-stage financing highlights investor interest in general-purpose AI interaction layers despite limited public detail on Hark’s technology or market focus.

Funding History

1 round · May 2026
$700M
Total Raised
1
Valuation: $3.5B
Cumulative: $700M

Hark raises $700M Series A for its secretive ‘universal’ AI interface

Investors not disclosed
Source

Frequently Asked Questions

How much has Hark raised in total?
Hark has raised a total of $700M across 1 funding round.
Who are Hark's investors?
Hark's investors include Undisclosed.
What does Hark do?
Hark is developing a secretive “universal” AI interface, according to its Series A round description. The company has disclosed little about its product architecture, customers or deployment model, but the positioning suggests an interface layer for accessing or coordinating AI capabilities. The company raised $700 million in a Series A announced on 2026-05-21, representing its full disclosed funding to date. The unusually large early-stage financing highlights investor interest in general-purpose AI interaction layers despite limited public detail on Hark’s technology or market focus.
Where is Hark headquartered?
Hark is headquartered in San Francisco, CA.