Agentic Commerce Reaches Inflection: Stripe Launches Agentic Commerce Suite, McKinsey Projects $3-5T in Agent-Orchestrated Spend by 2030

Stripe·high signal

The agentic commerce category has crystallized in 2026, with Stripe launching an Agentic Commerce Suite and Protocol (ACP), ChatGPT enabling purchasing through Google AI Mode and Perplexity via PayPal, and Amazon Rufus running proprietary agent transactions. McKinsey's QuantumBlack projects $3-5T in global retail spend orchestrated by AI agents by 2030; Juniper Research's April 2026 forecast estimates $8B in 2026 climbing to $1.5T by 2030. For vertical SaaS platforms, Stripe Sessions explicitly flagged a $5T opportunity requiring agent-readable catalogs and headless checkout APIs — platforms without agent-compatible infrastructure will be invisible to the fastest-growing purchase channel.