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

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

// Offer this method only on orders of 50.00 or more:
const rule = await client.deliveryMethods.rules.create('dm_UkLWZg9DAJ', {
  type: 'item_total_rule',
  preferences: { minimum_amount: '50.00' },
})

spree api post /delivery_methods/{delivery_method_id}/rules -d '{"type":"item_total_rule","preferences":{"minimum_amount":"50.00"}}'

{
  "id": "dmrule_UkLWZg9DAJ",
  "active": true,
  "created_at": "2026-01-15T12:00:00.000Z",
  "updated_at": "2026-01-15T12:00:00.000Z",
  "type": "item_total_rule",
  "preferences": {
    "minimum_amount": "50",
    "maximum_amount": null
  },
  "product_ids": []
}

{
  "error": {
    "code": "validation_error",
    "message": "is not a registered delivery method rule"
  }
}