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Machine payments and the protocols behind agentic commerce

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Agents are already economic actors. They consume tokens, call paid APIs, and transact on behalf of customers. A new type of agentic infrastructure is emerging to support them, from protocols such as MCP for tool discovery and UCP for checkout to MPP and x402 for machine payments. This session breaks down how these protocols fit together and goes deep on the mechanics of machine payments.

Speakers

Guillaume Poncin, CTO, Alchemy
Manik Surtani, Head of Open Source, Block
Steve Kaliski, Principal Software Engineer, Stripe

Opening remarks and product keynote

Agentic commerce under the hood

Join us 28–30 April in San Francisco to help shape the future of the internet economy.

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