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Set reader display ​

Sets the reader display to show cart details.

Returns ​

Returns an updated Reader resource.

Parameters ​

  • type (enum, required) Type of information to display. Only cart is currently supported.

  • cart (object, optional) Cart details to display on the reader screen, including line items, amounts, and currency.

    • cart.currency (enum, required) Three-letter ISO currency code, in lowercase. Must be a supported currency.

    • cart.line_items (array of objects, required) Array of line items to display.

      • cart.line_items.amount (integer, required) The price of the item in the smallest currency unit.

      • cart.line_items.description (string, required) The description or name of the item.

      • cart.line_items.quantity (integer, required) The quantity of the line item being purchased.

    • cart.total (integer, required) Total balance of cart due in the smallest currency unit.

    • cart.tax (integer, optional) The amount of tax in the smallest currency unit.

curl
curl https://api.stripe.com/v1/terminal/readers/{{READER_ID}}/set_reader_display \
  -u "<<YOUR_SECRET_KEY>>" \
  -d type=cart \
  -d "cart[currency]=usd" \
  -d "cart[line_items][0][amount]=5100" \
  -d "cart[line_items][0][description]=Red t-shirt" \
  -d "cart[line_items][0][quantity]=1" \
  -d "cart[tax]=100" \
  -d "cart[total]=5200"

Response ​

json
{
  "id": "tmr_FDOt2wlRZEdpd7",
  "object": "terminal.reader",
  "action": {
    "failure_code": null,
    "failure_message": null,
    "set_reader_display": {
      "cart": {
        "currency": "usd",
        "line_items": [
          {
            "amount": 5100,
            "description": "Red t-shirt",
            "quantity": 1
          }
        ],
        "tax": 100,
        "total": 5200
      },
      "type": "cart"
    },
    "status": "in_progress",
    "type": "set_reader_display"
  },
  "device_sw_version": "2.37.2.0",
  "device_type": "simulated_wisepos_e",
  "ip_address": "0.0.0.0",
  "label": "Blue Rabbit",
  "last_seen_at": 1695166525506,
  "livemode": false,
  "location": "tml_FDOtHwxAAdIJOh",
  "metadata": {},
  "serial_number": "259cd19c-b902-4730-96a1-09183be6e7f7",
  "status": "online"
}

Stripe API Reference - Self-contained docs reference, refreshed 2026-05-18