Startup profile · funding coverage
Decagon funding, valuation and investors
Enterprise AI agents automating customer support across chat, voice, and ops.
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Funding, valuation & investors
Answer-first snapshotLatest funding
Series D
$250M · January 2026
Latest known valuation
$4.5B
Series D · January 2026
Total disclosed equity funding
$481M
Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.
Current status
private
growth · San Francisco, California
Investors in latest funding
Lead: Coatue , Index Ventures
Other: Andreessen Horowitz , Bain Capital Ventures
Overview
Decagon deploys conversational AI agents across voice, chat, email, and SMS. It raised a $5M seed led by a16z, a $30M Series A led by Accel, a $65M Series B led by Bain Capital Ventures, a $131M Series C co-led by Accel and a16z at a $1.5B valuation, and a $250M Series D co-led by Coatue and Index at a $4.5B valuation.
Why Decagon is interesting
Decagon reported 100+ new enterprise customers in the fiscal year before a $250M Series D tripled its private valuation to $4.5B.
Product & use cases
AI agents handle end-to-end customer support conversations — resolving issues, processing refunds, and escalating edge cases across channels.
- Automating tier-1 customer support across voice and chat
- Handling high-volume transactional inquiries
- Scaling support during product launches
Key facts
- Series D (Jan 2026): $250M at $4.5B led by Coatue and Index
- 100+ new enterprise customers in the fiscal year before Series D
- Customers: Block, Chime, Avis Budget Group
Funding history (newest first)
Series D
2026-01 $250M Valuation: $4.5B- Coatue (lead)
- Index Ventures (lead)
- Andreessen Horowitz (participant)
- Bain Capital Ventures (participant)
Source: Read source · decagon.ai
Series C
2025-06 $131M Valuation: $1.5BSource: Read source · decagon.ai
Series B
2024-10 $65M- Bain Capital Ventures (lead)
- Elad Gil (participant)
- A* (participant)
- Accel (participant)
- BOND (participant)
- ACME (participant)
Source: Read source · decagon.ai
Investors in our directory
Funds linked from Decagon's profile — open a fund page for stage focus and related deal articles.
Competitive landscape
Edge: Agent Operating Procedures let CX teams define workflows in natural language while technical teams retain integration and guardrail control.
Decagon competes with AI-native vendors including Sierra and Forethought, plus incumbent platforms such as Zendesk and Intercom.
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Sierra direct
AI customer agent startup from Bret Taylor.
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Forethought direct
AI support automation.
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Zendesk AI incumbent
Support platform adding AI.
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Intercom Fin incumbent
Intercom's AI agent.
Notable stories
- Founded in 2023, Decagon announced a $4.5B Series D valuation in January 2026; this is a private financing mark, not a public-market capitalization.
Industries
Market / IPO context
Editorial / static context — not a live quote.
Related funding articles
Venture Capital Tracker pieces that cover Decagon's financing or category context.
FAQs about Decagon
Practical answers founders, operators, and investors typically search for.
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Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.