Cignara provides agentic AI that automates sales and customer support conversations for large enterprises across both voice and chat channels. The platform ingests an enterprise's knowledge base, business logic, workflows, and customer data so its agents can take personalized and compliant actions that directly impact revenue outcomes, including upsells, cross-sells, and churn prevention. It is built to operate within the constraints of Fortune 500 customer environments. The company was founded in 2025 and is part of Y Combinator's Spring 2026 batch.