Roundtable Research · May 2026
Roundtable’s latest research argues that modern AI agents still leave measurable behavioral traces that can be exploited for detection.
Proof of Human - invisible human verification
Company research
Public company, workplace, funding, and market signals
Updated Jul 30, 2026
Overview
Roundtable (Proof of Human) is a San Francisco-based AI security company building an invisible, continuous human-verification API that detects bots, AI agents, and fraud using behavioral and device/network signals, with a strong privacy-first and research-led positioning.
Primary product
Proof of Human API
Founded
2023
Headquarters
251 Post Street, San Francisco, CA 94108, United States
Team size
1-10 employees
Industry
Technology, Information and Internet
Sub-industry
AI security / behavioral biometrics
Offices
San Francisco, CA
Open Positions
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