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

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

const { data: refunds } = await client.orders.refunds.list('or_UkLWZg9DAJ')

spree api get /orders/{order_id}/refunds

{
  "data": [],
  "meta": {
    "page": 1,
    "limit": 25,
    "count": 0,
    "pages": 1,
    "from": 0,
    "to": 0,
    "in": 0,
    "previous": null,
    "next": null
  }
}