# fbaOutbound_listReturnReasonCodes (https://sellersheetai.com/docs/mcp-api/tools/fbaOutbound_listReturnReasonCodes)

> List valid return reason codes for a SKU (call before fbaOutbound_createFulfillmentReturn).

Access: **READ** · toolset amazon_sp · family sp.fulfillmentOutbound_2020-07-01

Amazon SP-API · listReturnReasonCodes · GET /fba/outbound/2020-07-01/returnReasonCodes

## Call it

MCP tool call:

```json
{
  "name": "fbaOutbound_listReturnReasonCodes",
  "arguments": {
    "store": "myStore-US",
    "seller_sku": "<seller_sku>"
  }
}
```

Tool API (early access — contact us):

```bash
curl -X POST https://api.sellersheetai.com/api/v1/tools/fbaOutbound_listReturnReasonCodes \
  -H "Authorization: Bearer $SELLERSHEET_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"store":"myStore-US","seller_sku":"<seller_sku>"}'
```

## Arguments

| Name | Type | Required | Description |
|---|---|---|---|
| `store` | string | yes | the store ref `<store>-<CC>` (name-country, e.g. 'myStore-US') — one of get_user_context's store_refs, verbatim. |
| `seller_sku` | string | yes | the SKU to return. |
| `seller_fulfillment_order_id` | string |  | optional — scope reasons to one order. |
| `language` | string |  | optional language tag for translated descriptions. |

## Result

- `data.reasonCodeDetails` — list of {returnReasonCode, description, translatedDescription}.