Nayax Middleware — Payment Integration & Transaction Routing System
A middleware platform that manages, validates, and routes payment transactions between Nayax devices, vending machines, and client applications, providing secure and reliable event handling.
Webhook Event Listener
Reliable system to receive and process events from Nayax devices and vending machines.
Payload Parsing & Validation
Transforms incoming events into structured JSON with strict validation rules.
Real-Time Logs & Event History
Tracks all transaction events for debugging, monitoring, and audit purposes.
What We Faced
Inconsistent data handling and missing callbacks between Nayax devices and client systems caused unreliable payment flows.
Incoming events required strict validation and structured formatting.
Outgoing actions had to follow Nayax protocol standards while ensuring visibility into transaction flows.
How We Solved It
We built a middleware application that receives webhook events from Nayax devices, validates and normalizes payloads, logs activity in real time, and forwards structured events to client endpoints. Operators can monitor transactions, machine status, and errors via a responsive internal dashboard.
Webhook Event Listener
Reliable system to receive and process events from Nayax devices and vending machines.
Payload Parsing & Validation
Transforms incoming events into structured JSON with strict validation rules.
Real-Time Logs & Event History
Tracks all transaction events for debugging, monitoring, and audit purposes.
Operator Dashboard
Clear interface for monitoring payments, machine status, callbacks, and errors.
Status Tracking & Error Handling
Monitors machine and transaction health with structured error reports for faster resolution.
Secure Routing
Forwards validated events to the correct client backend endpoints securely and reliably.
Responsive Internal UI
Optimized for desktops and tablets to support real-time monitoring by staff.
The Results
Nayax Middleware improved transaction reliability, reduced communication failures, and provided full visibility into event flows, creating a stable bridge between hardware and internal systems.
Technologies Used
Let's Connect
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