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Agentic Payments: When Is a Payment (Un)Authorized?
Description
AI agents can already search, compare, negotiate and initiate payments at machine speed. The harder question begins after the money has moved: was that specific transaction actually authorised?
In part three of BFRR’s series on agentic payments, the host takes stock of two earlier conversations—with Sonja Davidovic of the IMF and Peter Großkopf of AllUnity. Their diagnoses align, yet their conclusions expose a fault line: probabilistic AI systems are being connected to payment infrastructure built around deterministic rules, binary outcomes and legal finality.
The episode examines the IMF’s three-layer model for separating intent and orchestration, control and authorisation, and settlement. It asks where an agent’s mandate should live and whether cryptographic controls can turn spending limits into enforceable constraints.
Stablecoins remain compelling for agent-to-service transactions, where fractions of a cent can determine whether payment for an API call, data fetch, article or AI inference is viable. Cards retain a powerful advantage in agent-to-merchant commerce: mature chargeback rules for judging disputes when goods fail to arrive or an agent makes the wrong decision.
The deeper problem is legal. A payment may pass strong customer authentication and still fall outside the user’s mandate. Drawing on Nydia Remolina’s “bounded delegated authorisation” test, the episode explores how machine-readable constraints, runtime conformity and auditable evidence could distinguish valid delegation from an unauthorised payment.
For banks, PSPs and payment networks, this creates a concrete agenda: define their role, build an evidence chain, establish “Know Your Agent” controls, create mandate dashboards and agree recourse arrangements with AI providers.
The conclusion marks a shift in perspective. The money layer is becoming solvable. The binding constraint for agentic payments in Europe may now be the ability to prove what a customer actually authorised.
Co-host Michael Blaschke’s solo stocktake after Sonja Davidovic (IMF) and Peter Grosskopf (AllUnity). Where stablecoins win, where cards keep chargebacks, and why PSD2 can’t tell you if your agent’s payment was authorized.
Part 1 of BFRR’s agentic payments series with Sonja Davidovic
Part 2 of BFRR’s agentic payments series with Peter Grosskopf
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