Directory / Voice Agents

Ultravox

Ultravox is a real-time voice AI infrastructure layer that powers fast, natural, and scalable voice agents.

Ultravox is a Ultravox is a voice AI platform for building real-time speech-to-speech voice agents and conversational experiences via developer-friendly APIs and agentic primitives. AI agent company selling to Developers and teams building real-time voice agents and conversational voice AI applications. Latest disclosed round: Seed ($17M). About 8 employees, -37.5% over 6 months. 4,282 followers on X.

Voice AgentsVoice agent dev platformActiveultravox.ai ↗
Headcount
8
—▼ -37.5%3m · 6m
src: Clay (LinkedIn)
X followers
4,282
——7d · 30d
Traffic / month
9,595
src: Clay (web traffic)
// profile

Product

Agent type
Ultravox is a voice AI platform for building real-time speech-to-speech voice agents and conversational experiences via developer-friendly APIs and agentic primitives.
Primary buyer
Developers and teams building real-time voice agents and conversational voice AI applications
Integrations
—
MCP support
—
HQ
Seattle, WA, US
src: Clay enrichment 2026-11-04
Founded
2022
src: Clay enrichment 2026-11-04
LinkedIn
Profile ↗
// capital

Funding

Date
—
Investors
Bloomberg Beta; Bob Wood; Kearny Jackson; Madrona; Redpoint; Signalfire; Zetta Venture Partners
src: Clay enrichment 2026-11-04
// team

Hiring

Employees
8
src: Clay (LinkedIn)
Growth 3m / 6m
— / -37.5%
src: Clay (LinkedIn)
Open roles (sample)
—
X mentions this week
—
X handle
@ultravox_dot_ai
src: homepage-verified · https://ultravox.ai
// x.com

Top launch posts

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No posts tracked yet

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// press

Recent news

// provenance

Sources

Last verified: Nov 4, 2026
Headcount
Clay (LinkedIn)
Open jobs
—
Traffic
Clay (web traffic)
X handle (homepage-verified)
https://ultravox.ai
Clay enrichment
Clay enrichment 2026-11-04
seed_type
Company homepage (curated market-map list)
funding_status
Verified (primary/press)
funding_source_type
press
// related

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// faq

About Ultravox

What does Ultravox do?+

Ultravox is a real-time voice AI infrastructure layer that powers fast, natural, and scalable voice agents.

How much has Ultravox raised most recently?+

Seed of $17M, led by {"Redpoint Ventures"}.

How many employees does Ultravox have?+

About 8 (3-month growth —).

How is Ultravox priced?+

Usage-based, starting at $0.05/min.

// cite

Cite this data

Ultravox profile. Agent Market Map, The GTM Engineering Newsletter. Last verified Nov 4, 2026. https://agentmarketmaps.com/company/ultravox