Issue a store credit to a customer

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

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

const credit = await client.customers.storeCredits.create('cus_UkLWZg9DAJ', {
  amount: '25.00',
  currency: 'USD',
  category_id: 'cat_UkLWZg9DAJ',
  memo: 'Goodwill credit',
})

{
  "id": "credit_gbHJdmfrXB",
  "amount": "25.0",
  "amount_used": "0.0",
  "amount_remaining": "25.0",
  "display_amount": "$25.00",
  "display_amount_used": "$0.00",
  "display_amount_remaining": "$25.00",
  "currency": "USD",
  "memo": "Goodwill",
  "metadata": {},
  "created_at": "2026-06-17T13:36:44.090Z",
  "updated_at": "2026-06-17T13:36:44.090Z",
  "customer_id": "cus_UkLWZg9DAJ",
  "created_by_id": "admin_gbHJdmfrXB",
  "category_id": "sccat_UkLWZg9DAJ",
  "category_name": "Exchange"
}