WEIMI and Nayax: Building Reliable Card Payment for Modern Vending Machines

2026-01-12

On January 12, the Nayax team visited WEIMI for an in-depth discussion focused on our long-term cooperation in vending machine card payment solutions.

Rather than introducing new products or features, the meeting centered on real operational experience and how stable payment logic supports unattended vending over time. For WEIMI, a partnership is defined not by integration itself, but by whether a solution continues to perform reliably after deployment.

WEIMI and Nayax: Building Reliable Card Payment for Modern Vending Machines

Open-Door Vending Is Becoming a Common Selling Model

Modern vending machines are no longer limited to traditional selection-and-dispense processes.

More unattended vending scenarios now follow an open-door, self-service selling logic.

In WEIMI vending machines, the process is simple and consistent:

The customer swipes or taps a card
A predefined amount is temporarily authorized
Once conditions are met, the door unlocks
The customer selects products freely
The transaction is completed after the door is closed

This logic is used across WEIMI’s AI vending machines and smart vending machines.

While these machines may differ in product recognition methods, the payment and selling flow remains the same.

Why Payment Logic Is Critical in Unattended Vending

In unattended vending, payment is not just about completing a transaction.

It directly controls access to the machine.

Without a reliable payment mechanism, open-door vending becomes difficult to manage at scale. Operators need a system that ensures only qualified transactions can unlock the machine, especially when no staff is present.

For this reason, WEIMI treats payment design as a core part of vending logic, not a standalone feature.

Why WEIMI Chose Nayax

Nayax is widely used in the vending machine industry and has extensive experience supporting card-based payment in unattended retail environments.

From WEIMI’s perspective, the value of Nayax lies in its proven stability and its ability to support open-door vending workflows. The solution has been tested through long-term operation, not just demonstrations or short-term pilots.

This practical reliability is why Nayax has become a long-term payment partner in WEIMI vending machine projects.

Pre-Authorization Designed for Open-Door Vending

WEIMI vending machines use Nayax card payment with a pre-authorization mechanism that matches the open-door selling model.

The logic is clear:

When a card is swiped, a predefined amount is authorized
If the card balance does not meet this requirement, the machine will not open
After the customer finishes selecting products and closes the door, the transaction is completed based on the final result

This mechanism helps operators maintain control throughout the unattended selling process.

Pre-authorization availability depends on local banking systems, but where supported, it provides a reliable foundation for open-door vending.

Payment Is One Part of WEIMI’s Professional Solution

While Nayax provides the card payment function, WEIMI’s focus is on delivering a complete and dependable vending machine solution.

Every WEIMI machine is designed around:

A clear and consistent selling logic
Hardware optimized for unattended operation
A unified backend management system shared across machine types

Payment is one component of the system. Long-term operational stability is the ultimate goal.

Recognition Based on Long-Term Cooperation

In 2025, WEIMI was awarded the Nayax China Outstanding Strategic Partner Award.

For WEIMI, this recognition reflects long-term cooperation built on shared standards of reliability and practical operation. More importantly, it confirms that our approach to vending machine design and payment integration continues to perform in real-world use.

In unattended retail, lasting competitiveness comes from systems that work consistently — day after day.

About WEIMI

China Top 3 vending machine manufacturer.

9 Years. Professional production experience in various kinds of vending machines.
80 countries. So far our machines had been exported to more than 60 countries.
30,000 + machines. We had manufactured and launched 30K+ machines to the fields.
Smart Vending System. Based on IOT technology Cloud + Hardware