# The four jobs of a buying agent

Discover (find qualified supply), Evaluate (compare terms machine-to-machine), Transact (pay and get a receipt), Verify (confirm delivery and reputation). Break any one and the sale never happens — no human is there to work around it.

Canonical: https://robauto.ai/learn/agentic-commerce-101/3

_Agentic Commerce 101: How Agents Buy and Sell — lesson 3 of 20 (DEFINITION)_

Discover (find qualified supply), Evaluate (compare terms machine-to-machine), Transact (pay and get a receipt), Verify (confirm delivery and reputation). Break any one and the sale never happens — no human is there to work around it.

Source: [Robauto AgentHub — Protocol](https://robauto.ai/developers?tab=protocol)

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