What is Clearline?
ClearLine is a next-generation POS Marketing System designed to seamlessly connect Point-of-Sale systems with advanced marketing tools. It powers Customer Facing Screens (CFS), in-store promotions, SMS marketing, and outbound campaigns — all directly integrated with merchants’ existing POS infrastructure. Our platform empowers POS integrators, partners, and developers to unlock new value for merchants by integrating targeted marketing, customer engagement, and data-driven promotions at the point of sale.Getting Started
Quick Setup Guide
Get up and running with ClearLine quickly
Use Cases
Explore common integration scenarios
API Reference
User Authorization
Authorization code flow with PKCE
POS Authorization
Client Credentials Grant Authorization
Products Catalog
Manage products and categories
Post-Purchase Transactions
Handle orders and transactions
POS Receipt Promotion
Print promotional receipts
Merchant API
Cloud messaging system events
Cloud Messaging
Cloud messaging system events
Why Integrate with ClearLine?
Enhance POS Offerings
Add marketing and promotional capabilities to your POS system.
Automate Engagement
Drive loyalty and upsell opportunities using CFS displays and outbound campaigns.
Flexible APIs
Rapidly integrate ClearLine’s features via API endpoints and webhooks.
Designed for Scale
Built for multi-location merchants with centralized control through portals.
Revenue Expansion
Generate new revenue streams through partner commissions and value-added services.
Real-time Analytics
Track campaign performance, customer engagement, and ROI in real-time.
Key Components
| Component | Description |
|---|---|
| Admin Portal | Manage partners, accounts, terminals, locations, and marketing configurations |
| ClearLine Marketing Center (CMC) | Location-level tool for managing marketing apps and campaigns |
| Customer Facing Screen (CFS) | In-store display for engaging customers at checkout |
| Smart Pages & Custom Apps | Deliver promotions through QR codes and mobile-friendly landing pages |
| APIs & Webhooks | Build seamless integrations for terminal management, content delivery, and campaign tracking |
Who Should Use This Portal?
- POS System Developers & Integrators
- ISO Partners and Resellers
- Technical Teams of Retail Chains
- Marketing Platform Developers
POS Integration API Features
Inventory Management
Products, categories, pricing
Order Processing
Orders, line items, transactions
Merchant Information
Store details and configuration
Payment Handling
Tender methods and cash drawer
Receipt Printing
Print receipts and custom content
Multiple Environments
Production, sandbox, and development