Decagon, which offers AI customer service agents, raised a $250M Series D led by Coatue and Index Ventures at a $4.5B valuation, up from $1.5B in June 2025
Decagon AI Inc., a customer support startup, has raised $250 million in a new round of funding that triples its valuation to $4.5 billion …
Build vs. buy was a big debate in 2024-2025. In 2026, the answer is clear: buy @DecagonAI if you want to be at the frontier of customer experience. Decagon is now partnering with some of the world's largest airlines, banks and telcos to make exceptional, personalized concierge