Create a gift card batch

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

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

const batch = await client.giftCardBatches.create({
  prefix: 'WELCOME',
  amount: '25.00',
  currency: 'USD',
  codes_count: 100,
  expires_at: '2030-12-31',
})

spree api post /gift_card_batches -d '{"prefix":"WELCOME","amount":"25.00","currency":"USD","codes_count":100,"expires_at":"2030-12-31"}'

{
  "id": "gcb_gbHJdmfrXB",
  "codes_count": 5,
  "currency": "USD",
  "prefix": "NEWCAMP",
  "created_at": "2026-07-24T18:10:58.822Z",
  "updated_at": "2026-07-24T18:10:58.822Z",
  "amount": "25.0",
  "expires_at": "2030-12-31",
  "created_by_id": "admin_UkLWZg9DAJ"
}

{
  "error": {
    "code": "validation_error",
    "message": "Prefix can't be blank",
    "details": {
      "prefix": [
        "can't be blank"
      ]
    }
  }
}