Agentic Buying for Configurable Products: Why Buying Isn't the Hard Part
Agentic commerce stopped being a demo in late 2025. OpenAI launched Buy it in ChatGPT on the Agentic Commerce Protocol (ACP) it built with Stripe; Google announced the Universal Commerce Protocol (UCP) at NRF in January 2026; and McKinsey began estimating that agents could mediate three to five trillion dollars of consumer commerce by 2030. The checkout moment, the part where an agent turns a chosen product into a completed purchase, went from concept to shipping standard in about two quarters.












