import { createClient } from '@spree/sdk'

const client = createClient({
  baseUrl: 'https://your-store.com',
  publishableKey: '<api-key>',
})

const cart = await client.carts.storeCredits.apply('cart_abc123', 10.0, {
  token: '<token>',
})

curl --request POST \
  --url http://{defaultHost}/api/v3/store/carts/{cart_id}/store_credits \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-spree-api-key: <api-key>' \
  --data '{
  "amount": 10
}'

{
  "id": "cart_UkLWZg9DAJ",
  "market_id": "mkt_UkLWZg9DAJ",
  "channel_id": "ch_UkLWZg9DAJ",
  "preferred_stock_location_id": null,
  "company_id": null,
  "company_name": null,
  "po_number_required": false,
  "po_document_filename": null,
  "po_document_byte_size": null,
  "number": "cart_UkLWZg9DAJ",
  "token": "acfBZtWemHae74Y3g18LQg1f",
  "email": null,
  "customer_note": null,
  "po_number": null,
  "currency": "USD",
  "locale": "en",
  "total_quantity": 1,
  "warnings": [],
  "coupon_code": null,
  "item_total": "10.0",
  "display_item_total": "$10.00",
  "adjustment_total": "0.0",
  "display_adjustment_total": "$0.00",
  "discount_total": "0.0",
  "display_discount_total": "$0.00",
  "tax_total": "0.0",
  "display_tax_total": "$0.00",
  "included_tax_total": "0.0",
  "display_included_tax_total": "$0.00",
  "additional_tax_total": "0.0",
  "display_additional_tax_total": "$0.00",
  "total": "10.0",
  "display_total": "$10.00",
  "gift_card_total": "0.0",
  "display_gift_card_total": "$0.00",
  "amount_due": "0.0",
  "display_amount_due": "$0.00",
  "delivery_total": "0.0",
  "display_delivery_total": "$0.00",
  "fee_total": "0.0",
  "display_fee_total": "$0.00",
  "store_credit_total": "10.0",
  "display_store_credit_total": "-$10.00",
  "covered_by_store_credit": true,
  "current_step": "address",
  "completed_steps": [],
  "requirements": [
    {
      "code": "email_required",
      "step": "address",
      "field": "email",
      "message": "Email address is required"
    },
    {
      "code": "delivery_method_required",
      "step": "delivery",
      "field": "delivery_method",
      "message": "Select a delivery method for all fulfillments"
    }
  ],
  "order_minimum": null,
  "order_minimum_shortfall": null,
  "below_order_minimum": false,
  "freight_summary": null,
  "shipping_eq_billing_address": true,
  "discounts": [],
  "fees": [],
  "items": [
    {
      "id": "li_UkLWZg9DAJ",
      "variant_id": "variant_UkLWZg9DAJ",
      "seller_id": null,
      "preorder": false,
      "preorder_ships_at": null,
      "quantity": 1,
      "currency": "USD",
      "name": "Product 3469789",
      "slug": "product-3469789",
      "options_text": "",
      "price": "10.0",
      "display_price": "$10.00",
      "total": "10.0",
      "display_total": "$10.00",
      "adjustment_total": "0.0",
      "display_adjustment_total": "$0.00",
      "additional_tax_total": "0.0",
      "display_additional_tax_total": "$0.00",
      "included_tax_total": "0.0",
      "display_included_tax_total": "$0.00",
      "discount_total": "0.0",
      "display_discount_total": "$0.00",
      "pre_tax_amount": "10.0",
      "display_pre_tax_amount": "$10.00",
      "discounted_amount": "10.0",
      "display_discounted_amount": "$10.00",
      "display_compare_at_amount": "$0.00",
      "compare_at_amount": null,
      "thumbnail_url": null,
      "option_values": [],
      "digital_links": []
    }
  ],
  "fulfillments": [],
  "payments": [
    {
      "id": "py_UkLWZg9DAJ",
      "payment_method_id": "pm_UkLWZg9DAJ",
      "response_code": "1-SC-20260115120000000000",
      "number": "cart_UkLWZg9DAJ-P1",
      "status": "checkout",
      "amount": "10.0",
      "display_amount": "$10.00",
      "source_type": "store_credit",
      "source_id": "credit_UkLWZg9DAJ",
      "source": {
        "id": "credit_UkLWZg9DAJ",
        "amount": "50.0",
        "amount_used": "0.0",
        "amount_remaining": "50.0",
        "display_amount": "$50.00",
        "display_amount_used": "$0.00",
        "display_amount_remaining": "$50.00",
        "currency": "USD"
      },
      "payment_method": {
        "id": "pm_UkLWZg9DAJ",
        "name": "Store Credit 5",
        "description": "Store Credit",
        "type": "store_credit",
        "session_required": false,
        "source_required": true
      }
    }
  ],
  "billing_address": null,
  "shipping_address": null,
  "payment_methods": [
    {
      "id": "pm_UkLWZg9DAJ",
      "name": "Store Credit 5",
      "description": "Store Credit",
      "type": "store_credit",
      "session_required": false,
      "source_required": true
    }
  ],
  "gift_card": null,
  "market": {
    "id": "mkt_UkLWZg9DAJ",
    "name": "United States",
    "currency": "USD",
    "default_locale": "en",
    "tax_inclusive": false,
    "default": true,
    "country_codes": [
      "US"
    ],
    "country_isos": [
      "US"
    ],
    "supported_locales": [
      "en"
    ]
  }
}

{
  "error": {
    "code": "processing_error",
    "message": "User does not have any Store Credits available"
  }
}