Smarts Documentation
Your POS connects once. Every service follows. This documentation covers everything you need to integrate with the Smarts platform.
Product Overview
Learn what each module does and which integration path fits your system — no login required.
- Products — What Gateway, Tender, Boost, and Loyalty & Promotions do
- Integration Types — ePOS (GUI-based) vs Partner API (headless REST)
Integration Guides
info
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ePOS Integration
For ECRs that embed the Smarts ePOS browser application using the postMessage protocol.
- Getting Started — architecture, environments, authentication, and the postMessage protocol
- Gateway — basket management, purchases, refunds, and rollback
- Tender — gift card and prepaid card payments via ePOS
- Boost — coupon and promotion flows via ePOS
- Loyalty & Promotions — store-wide promotions, customer loyalty rewards, and real-time discount evaluation
- ePOS API Reference — postMessage message definitions and data models
Partner API Integration
REST APIs for headless systems — self-checkout kiosks, vending machines, and partner platforms.
- Tender Partner API — closed-loop gift card and prepaid card payments
- Boost Partner API — coupon redemption and management
Modules
Gateway is the foundational module. Tender, Boost, and Loyalty & Promotions extend it — you'll implement Gateway first.