مرجع API

curl -X POST https://api.erp-edge.sa/v1/invoices \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "customer_id": "cust_123",
    "items": [
      {
        "product_id": "prod_456",
        "quantity": 2,
        "price": 100.00
      }
    ],
    "tax_rate": 15
  }'