Stripe's AI Platform Kai Built with LangChain in 1 Week

What if everyone had an always-on, production-ready assistant? At Stripe, their answer was a company-wide AI agent called Knowledge AI Platform, also known as Kai. In less than 2 minutes, learn how Stripe built Kai in just 1 week using Deep Agents, LangChain's open-source agent harness. Deep Agents provides the foundation that wires together the tool-calling loop, middleware composition, streaming, and state management that would otherwise take months to build and harden from scratch. Learn more: Blog (10 min read) → https://www.langchain.com/blog/how-stripe-built-their-knowledge-ai-platform