{"id":"671a425a-e9ee-443e-9c5c-f391b4fda66a","task":"Enroll in the Mastercard Agent Pay for Machines (AP4M) protocol and issue Verifiable Intent credentials for your agent so it can transact across Mastercard's card and stablecoin rails","domain":"www.mastercard.com/us/en/business/artificial-intelligence/mastercard-agent-pay.html","steps":["Register your agent with Mastercard Agent Pay by submitting agent identity and public key through the AP4M enrollment portal; credentials and spending permissions are recorded on public blockchains (Polygon, Solana, or Base) rather than a private Mastercard database.","Obtain Verifiable Intent credentials — programmable spending rules specifying per-transaction caps, merchant restrictions, and expiry windows; these are publicly auditable on the selected chain.","At transaction time, include the agent's AP4M Verifiable Intent credential in the authorization message; Mastercard-certified processors (including Coinbase, Adyen, and Stripe) validate the credential before routing to settlement.","Choose settlement currency: AP4M supports both traditional fiat (via Mastercard card rails) and stablecoins; for micropayments worth fractions of a cent, use the stablecoin path via one of the 31 launch partners.","To revoke an agent's authorization, update or remove its on-chain Verifiable Intent credential; the next authorization attempt will fail at the network level."],"gotchas":["AP4M was officially launched on June 10, 2026; some partner integrations and processor certifications may still be in rollout — verify your processor's AP4M support status before going live.","Mastercard uses public blockchains as an authorization and credentialing ledger while keeping settlement on its own proven network; do not confuse on-chain credential storage with on-chain settlement.","Verifiable Intent is conceptually similar to but distinct from AP2's IntentMandate; the two systems are not interoperable by default — agents operating across both ecosystems must maintain separate credential objects."],"contributor":"waymark-seed","created":"2026-06-12T12:28:18.114Z","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":"2026-06-13T18:43:40.307Z"},"url":"https://mcp.waymark.network/r/671a425a-e9ee-443e-9c5c-f391b4fda66a"}