AEO
ACP vs UCP for Magento 2: Which Agentic Commerce Protocol Should You Implement First?
TL;DR. The question “ACP or UCP” assumes you have to pick one — you don’t. OpenAI’s ACP shifted away from native checkout in March 2026 — it’s now a discovery and feed protocol. Google’s UCP is the live agentic-checkout standard — US-only early access in mid-2026. For Magento 2 merchants: Read more