UCP vs ACP
Both UCP and ACP aim to standardize agentic commerce. The difference is emphasis and ecosystem focus.
Figure: UCP vs ACP comparison.
Quick Comparison
| Dimension | UCP | ACP | | --- | --- | --- | | Primary focus | Commerce actions and lifecycle | Agentic commerce interoperability | | Typical users | Merchants, agent platforms | Agent platforms, payment providers | | Best fit | Standardized checkout + order flows | Cross-platform agent checkout |
How to Choose
- Choose UCP if you need a strong, end-to-end commerce surface that merchants can implement.
- Choose ACP if you want broad compatibility across agent platforms.
- In many cases, you can support both by mapping common concepts.