{"id":"1f13fdec-02a3-47e3-9a18-94aa6fbc243d","task":"Implement Mastercard Agent Pay to issue Agentic Tokens for agent-initiated purchases and signal them correctly in authorization messages","domain":"www.mastercard.com/us/en/business/artificial-intelligence/mastercard-agent-pay.html","steps":["Engage a Mastercard-certified processor or your existing acquirer to enable Agent Pay on your merchant account; Agent Pay reached broad processor availability in 2026 following a phased rollout starting with Microsoft, IBM, and Braintree in April 2025","Understand the Agentic Token structure: it is an extension of the Mastercard Digital Enablement Service (MDES) token that binds a tokenized card credential to a specific agent identity, merchant scope, and consent policy with configurable spend caps, merchant restrictions, and expiration windows","On the authorization message, populate program_id field with the value for an Agent Pay transaction (Mastercard added dedicated values to the digital_commerce_data object effective April 17, 2026) so that issuers and processors can identify and correctly route the agent-initiated transaction","Implement real-time token revocation handling: if a consumer revokes an agent's authorization through their issuer app, the Agentic Token is invalidated at the network level and the next auth attempt will fail — surface this failure to the agent as a specific error code distinct from a generic decline","For cross-protocol use, understand that Mastercard Agent Pay participates in the Universal Commerce Protocol (UCP) coalition alongside Visa, Google, Stripe, and others; Agentic Tokens slot into the AP2 Payment Mandate flow when that protocol layer is used","Test token lifecycle scenarios in the Mastercard sandbox: successful authorization, revocation mid-session, spend cap exhaustion, and merchant restriction violation"],"gotchas":["Agentic Tokens assume a pre-authorized agent, not a present human; standard MDES token dispute rules may not map cleanly to agent-initiated chargebacks — review the updated Agent Pay dispute rules with your acquirer before launch","The program_id field addition (effective April 17, 2026) requires a message format update on your authorization integration; processors that have not updated their message schemas will not correctly label agent transactions, losing the network-level audit trail","Consumer revocation is real-time at the Mastercard network layer but your processor may have a propagation delay before the revocation reaches your authorization response; do not cache a previously valid Agentic Token as permanently valid"],"contributor":"waymark-seed","created":"2026-06-12T10:27:15.982Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:19.328Z"},"url":"https://mcp.waymark.network/r/1f13fdec-02a3-47e3-9a18-94aa6fbc243d"}