10 things we learned building for the first generation of agentic commerce

Stripe shares 10 lessons from building the Agentic Commerce Protocol (ACP) and Agentic Commerce Suite over six months of production deployments with retailers like Etsy, URBN, Coach, and Ashley Furniture.

• •Product catalog fragmentation is a major pain point: brands often reformat the same catalog 6+ times for different AI agents, which ACP addresses by syndicating a single upload across supported agents.
• •Real-time inventory verification is critical — agents must confirm stock availability at near-millisecond precision, especially for products with complex variants like size/color/embroidery combinations.
• •Protocol volatility is a real risk; ACP has shipped 4 releases since September 2025, so sellers need a protocol-agnostic layer (like the Agentic Commerce Suite) to avoid building zombie integrations.
• •Shared Payment Tokens (SPTs) allow agents to initiate payments on behalf of buyers without exposing credentials, and Stripe Radar applies the same fraud signals to agentic transacti