A commerce execution API is infrastructure that lets AI agents complete real-world purchases autonomously. Unlike checkout APIs (which handle payment) or shopping APIs (which handle search), a commerce execution API handles the entire lifecycle: find, verify, negotiate, pay, ship, track, and handle exceptions.
Checkout APIs like Stripe assume a human has already chosen what to buy. Commerce execution APIs handle the decision-making process too - product search, supplier comparison, price negotiation.
Firestarter provides: permission scopes, spend limits, human approval checkpoints, audit trails, proof of action, real-time status updates, and exception handling. This makes AI commerce safe and auditable.
Q: Can't agents just browse the web? A: Browsing finds products. Execution pays, ships, and tracks them. That requires payment rails, shipping APIs, and state management that browser automation can't provide.
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