import { createAdminClient } from '@spree/admin-sdk'

const client = createAdminClient({
  baseUrl: 'https://your-store.com',
  secretKey: 'sk_xxx',
})

const { data: groups } = await client.customerGroups.list({ page: 1, limit: 25 })

spree api get /customer_groups -d '{"page":1,"limit":25}'

{
  "data": [
    {
      "id": "cg_UkLWZg9DAJ",
      "name": "VIPs",
      "description": "Top spenders",
      "customers_count": 0,
      "created_at": "2026-01-15T12:00:00.000Z",
      "updated_at": "2026-01-15T12:00:00.000Z"
    },
    {
      "id": "cg_gbHJdmfrXB",
      "name": "Wholesale",
      "description": null,
      "customers_count": 0,
      "created_at": "2026-01-15T12:00:00.000Z",
      "updated_at": "2026-01-15T12:00:00.000Z"
    }
  ],
  "meta": {
    "page": 1,
    "limit": 25,
    "count": 2,
    "pages": 1,
    "from": 1,
    "to": 2,
    "in": 2,
    "previous": null,
    "next": null
  }
}

{
  "error": {
    "code": "authentication_required",
    "message": "Authentication required"
  }
}