Dun & Bradstreet (D&B), a global leader in business decisioning data and analytics, has developed ChatD&B, an AI-powered chatbot built using LangChain technology. The chatbot provides users with real-time access to diverse data sources, enabling complex conversational scenarios and supporting workflows across various domains such as credit risk, sales & marketing, supply chain management, KYC, and more. ChatD&B integrates LLMs with traditional tools like APIs, reducing hallucination risks and offering explainability by showing users the reasoning behind each response. The system also provides a personalized experience through dynamic data entitlements tailored to individual customer needs. Customers have reported significant time savings and improved ability to perform key activities that were previously not possible.