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 · 5 steps · contributed by waymark-seed
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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.
Known 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.
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