Vending Machine Telemetry and Remote Monitoring: What It Tracks, Alerts and Restocks

Vending machine telemetry is the stream of data a connected machine sends to a cloud dashboard: every sale with the item attached, stock per column, temperature, door openings, failed vends, power and connectivity. Remote vending machine monitoring is what you do with it. Alerts reach you before a column runs empty, a chilled cabinet warms up or a machine drops offline. The stock data plans each restock visit. This page sets out what a telemetry system should report, which alerts matter, how it changes restocking, and what to ask before you buy.

Quick answer

• What it tracks: sales with item detail, stock per position, temperature, door events, dispense failures and refunds, payment device status, power and connectivity.
• Alerts that matter: low stock, temperature out of range, machine offline, unscheduled door openings, and dispense or payment faults.
• Restocking: current stock against each column’s target level tells the restocker what to carry. Machines visit on need, not on a calendar.
• Connectivity: 4G or site WiFi. Check the modem’s network generation, and what happens to records and payments during an outage.
• Buying test: ask to see a card sale with the product attached, a failed vend marked as refunded, and a full data export.

What is vending machine telemetry?

Vending machines have recorded audit data for decades. DEX (data exchange) is a format for collecting audit and event data from vending machines, recording cash in and out and product movement. The European equivalent is EVA-DTS, and on a conventional machine that data is collected when someone visits. The EVA describes EVA-DTS as the standard that lets operators “transfer information from vending machines/payment systems to PC-based accounting and management systems (and vice versa)”. Inside the machine, payment devices talk to the controller over MDB/ICP, the Multi-Drop Bus protocol owned and maintained by the US National Automatic Merchandising Association (NAMA).

Telemetry removes the visit. A modem sends the data as it happens, so you see what each machine did today, not what it did by the time someone collected the audit.

What a telemetry system should track

Data	What it tells you	Why it matters
Order record (items, quantities, price, time, machine, location, receipt ID)	What sold, where and when, whatever the payment method	Card terminals often report only an amount. Without item detail you cannot plan stock
Stock per column or cell	Current stock against capacity and target restock level	Drives low-stock alerts and the restock list
Order state (completed, refunded)	Whether each vend actually delivered	A jammed column that keeps “selling” is a data fault as well as a mechanical one
Temperature (refrigerated cabinets)	Cabinet temperature over time	Spoiled stock and food-safety records
Door events	When the cabinet or a cell was opened	Separates restock visits from tampering
Payment device status	Whether the card reader, QR or cash devices are working	A dead reader stops sales on a full machine
Power and connectivity	Whether the machine is powered and online, and when it was last seen	An offline machine is a blind spot
Optional audience counts	People passing the screen	For advertising screens; on KioskForce machines, by millimetre-wave radar (technical preview)

The first row is the one buyers most often miss. On a KioskForce machine, item-level reporting comes from the machine’s own telemetry, not from the payment terminal. The machine writes the order and sends it to the dashboard, whether the customer paid with coins, tapped a card or scanned a QR code. See payments for how each payment device reports.

Which alerts matter, and who should get them

An alert is only as good as the person who receives it. Set each alert type to a named person or team with a clear action.

Alert	Typical trigger	Who should receive it	Action
Low stock	A column, or the machine overall, falls below a threshold	Restock team or route driver	Add the machine to the next run
Temperature out of range	Cabinet above or below its set range	Site contact and operator	Check the door seal, airflow and compressor; quarantine stock if needed
Machine offline	No contact for longer than the set window	Operator or local IT	Check power, signal or the WiFi network
Unscheduled door opening	Door open outside a service visit	Operator or security	Check the access log; inspect the machine
Dispense or payment fault	Failed vends, a reader not responding	Operator or technician	Clear the jam or fix the reader; check refunds

On KioskForce machines, alert recipients are set in the telemetry system by email address or phone number. The low-stock threshold can be set as a global low-stock alert percentage for a machine, which suits fleets of identical wall-mount units stocked with the same products. Refrigerated machines also have a health-control block that stops sales when the cabinet leaves its temperature range, so a warm cabinet stops selling as well as raising an alert. The threshold is set to the buyer’s food-safety rules.

Failed vends: the alert most systems miss

A machine that cannot tell whether an item dropped records every vend as a success. A jammed column then keeps taking money and “selling” stock it never delivers, and the stock count drifts from reality.

KioskForce transaction records carry a Refunded state for a product that failed to dispense after payment, with the money returned automatically, and every order has a receipt ID. Trays that are out of stock are disabled automatically until they are restocked and the Refill key is pressed. Confirming that an item actually arrived depends on the build. Elevator builds carry a drop sensor. Locker cells can be specified with per-cell weight sensing, which is optional, specified per cell at order and fitted during manufacture. See how dispense verification works.

How remote monitoring changes restocking

Without telemetry, restocking runs on a calendar: every machine is visited every week, whether it sold three items or three hundred. With telemetry it runs on need.

1. Read the gap. For each column the dashboard shows current stock and the restock capacity, the target count after a refill. The difference is what the restocker carries.
2. Skip the full machines. A machine that sold little since the last visit can wait. A fast seller can be visited sooner.
3. Respond to alerts. Low-stock alerts flag the machines that cannot wait for the normal run.
4. Close the loop. Mark the refill done, either on the machine’s admin screen or with the Refill Done button in the telemetry system. KioskForce machines can also be set to mark themselves refilled automatically when the admin interface is opened. The counts reset and the next visit starts from accurate numbers.

	Calendar restocking	Telemetry-driven restocking
Visit trigger	The schedule	Stock level and alerts
What to carry	A guess, or a count on arrival	The gap per column, known before leaving
Empty columns between visits	Found by customers	Flagged by a low-stock alert
Machines that did not need a visit	Visited anyway	Skipped
Record of the refill	Paper or none	Logged against the machine

Telemetry does not drive the van. Route planning across many sites is a job for your own routing tool or service-management system, fed by the stock data.

Connectivity: 4G, WiFi and what happens offline

Most remote vending machine monitoring runs over cellular, because the machine then does not depend on a site’s WiFi, its passwords or its firewall. KioskForce machines ship with a built-in 4G module and WiFi. We can supply pre-configured SIMs for Australia and New Zealand, or you can use your own carrier. A 4G telemetry plan typically costs US$5–10 per month per machine.

Two checks before you buy any connected machine:

• Network generation. Carriers retire old networks. Telstra closed its 3G network in Australia on 28 October 2024, and devices that could only use 3G stopped working. A modem bought today should be 4G or later and support the bands your carrier uses.
• Offline behaviour. On KioskForce machines, records are buffered locally and synced when the connection returns, and the dashboard raises an offline alert. Cash sales carry on. Card and QR authorisation follows the payment terminal’s or wallet provider’s own connection. Account-based issuing with per-user quotas, as on industrial PPE machines, checks entitlement at the moment of issue, so it does not dispense while offline. Offline dispensing that reconciles on reconnect is not available today.

A connected machine is also a networked device on your site. NIST’s IoT device cybersecurity baseline (NISTIR 8259A) is a useful neutral checklist for the capabilities to expect, including secure software updates. Keep the machine on a separate network segment or on cellular, away from systems it does not need to reach. See industrial vending and OT security.

What remote management adds on top of monitoring

Monitoring tells you what is happening; remote management lets you act without a visit. On KioskForce machines the cloud dashboard, built by our Australian software partner Vending on Track, covers:

• Prices and promotions changed remotely, including timed happy-hour pricing (remote settings).
• Product set-up: products, photos and the mapping of each column to its product, price, capacity and restock capacity.
• Machine groups, for settings and screen content shared across many machines.
• Screen content: screen savers, and advertising campaigns with play and impression statistics (visual ads).
• Remote door opening and over-the-air firmware updates.
• Integrations: a REST API, CSV import and export, and ServiceNow, where a machine fault can raise an incident and low stock a replenishment task.

The dashboard is included with the machine rather than sold as a separate subscription tier. For how the software layers compare, see vending machine software.

What to specify if you are buying one

Ask any supplier these questions, and ask to see the answers in a live dashboard rather than a brochure:

1. Show me a card sale with the product attached.
2. Show me a failed vend. Is it marked as refunded, and does the stock count correct itself?
3. Which alerts exist, how are thresholds set, and who can receive them, by email, SMS or a ticketing tool?
4. Which cellular generation and bands does the modem use, and who supplies the SIM?
5. What is recorded, and what still works, when the machine is offline?
6. Can I export all of my sales, stock and event data, and is there an API?
7. Is the dashboard included, or is it a per-machine monthly fee?

Published machine prices are on vending machine cost. The smart vending machines hub compares machine types, and the planogram configurator lays out what each column will hold.

Where telemetry is the wrong answer

• One machine you visit every day anyway. If the machine is in your own shop and you walk past it daily, a dashboard adds little beyond item-level sales.
• No signal and no network. A basement or a steel-clad building with no cellular coverage and no usable WiFi needs an external antenna or a network run first. Otherwise the machine is a conventional machine with an expensive modem.
• You will not act on alerts. Telemetry pays for itself only when someone acts on what it reports. If no one is assigned to low-stock and offline alerts, fix that before buying more data.

Frequently asked questions

What is vending machine telemetry?

Vending machine telemetry is the data a connected vending machine sends to a remote system, usually a cloud dashboard, over a cellular or WiFi connection. It typically covers each sale with the item and price, stock per column or cell, temperature for refrigerated cabinets, door openings, dispense failures, payment device status, power and connectivity. Older machines record audit data in formats such as DEX or EVA-DTS, which is collected when someone visits the machine; a connected machine sends its data continuously.

What does remote vending machine monitoring alert on?

The alerts that matter most are low stock (a column or the whole machine below a threshold), temperature out of range on refrigerated machines, the machine going offline, door openings outside service visits, and dispense or payment faults. Each alert is only useful if a named person receives it and knows what to do. On a KioskForce machine, alert recipients are set by email address or phone number in the telemetry system, and the low-stock threshold can be set as a percentage of total stock.

Does vending telemetry work without WiFi?

Yes, if the machine has a cellular modem. KioskForce machines have a built-in 4G module as well as WiFi, and most industrial sites use 4G because warehouses and production floors often lack reliable WiFi. A 4G telemetry data plan typically costs US$5 to 10 a month per machine. Check that the modem works on a network that will stay open: Telstra in Australia, for example, closed its 3G network on 28 October 2024, and 3G-only devices stopped connecting.

What happens to the data if the machine loses its connection?

On a KioskForce machine, records are buffered locally and synced when the connection returns, and the dashboard raises an offline alert. Cash sales carry on normally. Card and QR payments depend on the payment terminal or wallet provider’s own connection. Account-based issuing with per-user quotas, as on industrial PPE machines, checks entitlement at the moment of issue, so it does not dispense while the machine is offline. Ask any supplier the same three questions.

Can telemetry tell me what sold when customers pay by card?

Only if the machine writes the order itself. Many card terminals report only a transaction value to their own portal. A KioskForce machine records items, quantities, machine, location, time, order state and a receipt ID for every order, whatever the payment method, and sends that record to the cloud dashboard. That is why item-level card sales appear in its reports. Ask any supplier to show you a card sale in their dashboard with the product attached.

How does telemetry help plan restock routes?

It replaces a fixed schedule with need. The dashboard shows current stock and the target restock level for each column, so the difference is what the restocker needs to carry to each machine. Machines that are nearly full can be skipped, and machines that are selling fast can be visited sooner. Low-stock alerts flag the machines that cannot wait. Marking the refill as done, on the machine or in the dashboard, resets the counts so the next visit is planned from accurate numbers.

Can I add telemetry to an old vending machine?

Often, yes, with an add-on telemetry device that reads the machine’s audit data and sends it over cellular. That gives sales and cash reporting, but its detail is limited to what the old controller knows; it usually cannot see a failed vend or the temperature unless sensors are added. A machine designed connected reports more, and some features, such as per-cell weight sensing on KioskForce lockers, are fitted only during manufacture.

References

• European Vending & Coffee Service Association — “Technical standards” (EVA-DTS; MDB/ICP maintained by NAMA; accessed 3 October 2026). https://www.vending-europe.eu/activities/technical-standards/
• Telstra — “3G closure” support page (3G network closed 28 October 2024; accessed 3 October 2026). https://www.telstra.com.au/support/mobiles-devices/3g-closure
• Wikipedia — “DEX (protocol)” (accessed 3 October 2026). https://en.wikipedia.org/wiki/DEX_(protocol)
• NIST — “NISTIR 8259A: IoT Device Cybersecurity Capability Core Baseline” (May 2020). https://csrc.nist.gov/pubs/ir/8259/a/final
• PCI Security Standards Council — “Standards” (PCI DSS and PTS POI; accessed 3 October 2026). https://www.pcisecuritystandards.org/standards/

Related

• Smart vending machines: the hub for this cluster
• Vending machine software
• Vending machine power consumption
• What is an intelligent vending machine?
• Vending machines with advertising screens
• The cloud vending dashboard and IoT vending machines and real-time inventory

Talk to us about vending machine telemetry

Tell us how many machines you run or plan to run, where they stand, how they connect, and which system the data has to reach. We will say what the standard dashboard covers and what would need an integration.