BlogNotes from the team.
Thoughts on AI, backoffice operations, and how Rex thinks about the future of finance.
Rex is live on Y Combinator
Our YC launch is live. Rex is an AI service that runs order-to-cash and accounts receivable operations for enterprises, with agents that do the work and a team that approves exceptions.
Rex joins Y Combinator (S26)
Rex is part of the Y Combinator Summer 2026 batch. We're building the AI operations partner for enterprise order to cash.
Rex joins NVIDIA's Adopt 100 Launch
Rex has been selected for Adopt 100, Deloitte and NVIDIA's program pairing leading AI startups with enterprise customers to deploy AI at scale.
Rex wins the Vercel AI Accelerator
A panel of founders and AI leaders selected Rex as the winner of the Vercel AI Accelerator Demo Day — out of 2,500 applicants.
AI-shoring operational finance
Operational finance has always scaled linearly with revenue. Agentic systems change that — and shift the role of the operator.
The knowledge gap in enterprise AI
Context windows don't solve on-the-job learning when the knowledge was never written down. A taxonomy of enterprise knowledge, and how agents can capture the tacit parts.
Most finance work is reconstructing the story
For finance AI to work, we need a context layer. Without it, agents are just guessing.
Context graphs in finance operations
Systems of context will become the most business-critical system in the AI era. A thesis on how this plays out in finance operations.