Glossary/AI Search & Emerging/Agent Experience (AX)
AI Search & Emerging
Agent Experience (AX)
The holistic experience AI agents have discovering, choosing, and using a product or site, coined by Netlify's Mathias Biilmann in 2025 as the successor to UX/DX.
By Brandon Mina·CEO, BrandPilot AI·Updated November 2026
Short answer
Agent experience (AX) is the overall experience AI agents have when discovering, evaluating, and using a product, website, or API. The term was coined by Netlify cofounder Mathias Biilmann in 2025 as a successor to user experience and developer experience. Good AX involves machine-readable content, clear documentation, and accessible APIs and authentication.