API & Developers
Public REST API at /api/v1 with full OpenAPI spec. Build custom connectors, integrate with POS, and automate workflows.
Use Cases
From POS integration to loyalty redemption, the API covers the workflows that matter for jewelry retail.
POS Sync
Sync transactions, customers, and products between your POS/ERP and Nexus 366. Upsert by external IDs.
Loyalty at Checkout
Check balance, generate OTP, and verify redemption via API. Integrate loyalty into your existing checkout flow.
Product Catalog
List products, sync from ERP, and maintain your catalog. Support for external product IDs and bulk sync.
GSS Webhooks
Real-time payment gateway callbacks for Gold Savings Scheme installments. Stay in sync with your payment provider.
Authentication
All endpoints require two headers: Authorization: Bearer <API_KEY> and X-Tenant-ID: <TENANT_UUID>. API keys are managed in Settings → Integrations. Missing or invalid credentials return 401 Unauthorized.
Available Resources
Customers, Transactions, Products, Stores, Employees, Gift Cards, Coupons, Vouchers, Loyalty (balance, OTP, verify), Customer Wallet. Full schema and examples in the OpenAPI spec.
Need API access?
Enterprise and custom integrations require API keys. Contact Sales to get started.
Contact Sales