Decagon, a San Francisco-based leader in conversational AI for customer experience, has raised $131 million in Series C funding, valuing the company at $1.5 billion. Announced on June 23, 2025, this round, co-led by Accel and Andreessen Horowitz, propels Decagon past unicorn status just one year after emerging from stealth.
Decagon raises $131M Series C, reaching $1.5B valuation.
Total funding hits $231M, with 5x investor demand.
AI agents enhance customer experience for brands like Hertz, Duolingo.
Agent Operating Procedures (AOPs) enable rapid AI customization.
Platform supports chat, email, voice, and SMS channels.
Grew from zero to eight-figure ARR in one year.
Decagon’s $131 million Series C, backed by Accel, Andreessen Horowitz, and new investors like Avra and Ribbit Capital, reflects strong market confidence. “We’re at a defining moment for AI agents, with massive demand specifically in the customer experience sector,” said Sarah Wang, General Partner at a16z Growth. The company’s rapid growth, from zero to eight-figure ARR and a quadrupled customer base in a year, underscores its leadership in AI customer support.
Decagon’s Agent Operating Procedures (AOPs) set it apart, allowing non-technical teams to design AI agent behavior using natural language while technical teams maintain code control. “Decagon’s relentless focus on customer outcomes and differentiated approach to human-agent collaboration make them a breakout leader,” said Ivan Zhou, Partner at Accel. This enables brands like Eventbrite and Notion to deploy AI agents in weeks, ensuring scalability and transparency without costly services.
Decagon’s platform delivers seamless, high-quality customer service across chat, email, voice, and SMS, handling complex tasks like refunds and escalations. “At Hertz, we’re focused on leveraging technology that delivers a more seamless experience for our customers,” said Vikram Rajagopalan, Vice President of Customer Experience at Hertz. With real-time analytics, Decagon empowers brands like Duolingo and Bilt to optimize performance and enhance customer satisfaction at scale.
Decagon’s latest funding will drive product innovation and team expansion, cementing its role as a trusted AI partner for enterprises seeking to redefine customer experience with intelligent, scalable solutions.
Decagon is the leading conversational AI platform empowering brands to deliver concierge customer experience with AI agents. Combining the power of natural language with the precision of code, Decagon’s Agent Operating Procedures (AOPs) enable enterprises to build, optimize, and scale AI agents for secure, reliable, always-on customer service. Whether resolving issues or proactively helping customers discover greater value, Decagon builds meaningful connections between brands and customers that are authentic, intelligent, and truly satisfying redefining what customer experience should be.
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