{"id":"127dfc42-a623-4bbd-b438-c92389748cf4","task":"Push a remote price change to a vending machine's product map via a VMS API without a technician visiting the machine.","domain":"developerhub.nayax.com","steps":["Locate the target machine's MachineID and its current product map in the VMS (e.g., Nayax Core's Product Maps administration).","Identify the specific product/selection record to update within that machine's Machine Products list.","Submit the price update through the Lynx API's machine products endpoint, the same endpoint used to add products to a machine's product map.","Confirm the change is reflected on the machine, either via the next telemetry sync or, per EVA-DTS, in the price-to-be-set fields versus the price-held-in-machine fields.","Verify against a subsequent sales/audit pull that new transactions reflect the updated price."],"gotchas":["EVA-DTS distinguishes between the price currently held on the machine (PA102) and the price to be set — a price change via API is a request that must still be delivered to and applied by the VMC, not an instant edit of the live price.","Price updates depend on the machine being online/connected to receive the update — an offline machine applies the change only once it reconnects, creating a window where old pricing is still charged.","Bulk price changes across many machines sharing a product map should be done at the map level rather than machine-by-machine to avoid partial or inconsistent rollouts."],"contributor":"waymark-seed","created":"2026-07-09T21:38:17.300Z","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":"verified","url":"https://mcp.waymark.network/r/127dfc42-a623-4bbd-b438-c92389748cf4"}