Device Configuration Quick Reference | OEM Embedded Payments

Serial number formats, management URLs, firmware naming, critical machine attributes, and keep-alive settings for UNO-8 and UNO-mini Embedded Payments devices - all in one quick-reference guide.

General

Embedded Payments › Reference

OEM Embedded Payments: Device Configuration Quick Reference 

Serial number formats, management URLs, firmware naming conventions, critical machine attributes, and communication settings for UNO-8 and UNO-mini devices - all in one place.

👤 Operators / Integrators - Embedded Payments
📦 Embedded Payments (UNO-8, UNO-mini)
Prerequisites

Before You Start

  • ✅ You have access to the Nayax Core management portal (tms-c.otiglobal.com).
  • ✅ You have the serial numbers of the devices you are configuring.
  • ✅ Your OEM partner has provisioned your devices on the Nayax platform.
⚠️
Note: This is a quick-reference appendix. Settings listed here should only be changed by operators or integrators who understand the impact. If in doubt, contact your OEM partner or Nayax Support before modifying machine attributes.
Reference

Device Serial Numbers

Serial Number Formats
UNO-8 208XXXXXXXX
16 digits total, starts with 208
UNO-mini 207XXXXXXXX
16 digits total, starts with 207
UNO-8 serial types HW Serial (Nayax) -- used in the Nayax platform
Mainboard Serial -- printed on the physical device
The UNO-8 has two serial numbers. Use the HW Serial when registering in Nayax Core.
Reference

Key URLs

Management and Payment Endpoints
Management (OTI TMS) tms.otiglobal.com
Management (Nayax Core) tms-c.otiglobal.com Recommended
Payment Bridge payment-nayax-p.otiglobal.com
ℹ️
OTI TMS vs Nayax Core: Use the Nayax Core URL (tms-c.otiglobal.com) when configuring devices via the Nayax platform. The OTI TMS URL (tms.otiglobal.com) is the legacy management endpoint.
Reference

Firmware Naming

EMVS Firmware Conventions
UNO-8 EMVS_v8XX
Starts with 8
UNO-mini EMVS_5XX
Starts with 5
EC suffix Special variant Caution
Do not use unless explicitly instructed by Nayax or your OEM partner.
Reference

Critical Machine Attributes

⚠️
Required settings: These attributes must be configured correctly for payment processing to function. Incorrect values will prevent transactions.
Machine Attribute Values
CLP Mifare Enable Set to: Sending CLP card UID locally via API to host Required
Enable Open Loop Payment Must be checked Required
Required for credit and debit card acceptance.
Management Service Address tms-c.otiglobal.com Required
Use this value when configuring for Nayax Core.
Payment Service URL payment-nayax-p.otiglobal.com Required
Reference

Communication Keep-Alive

Keep-Alive Interval Settings
Recommended range 60 - 600 seconds Recommended
No MQTT push messages are active yet - use polling intervals in this range.
Do not use One day or longer intervals Avoid
If experiencing problems Reduce to 60 seconds
Use the minimum recommended value when diagnosing connectivity or communication issues.
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MQTT note: Push messaging via MQTT is not yet active. Until it is, keep-alive polling within the 60-600 second range ensures reliable device communication.

FAQ

FAQ

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