curl --request GET \
  --url https://api.example.com/products/ingestions/{batch_id}/errors \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "index": 123,
      "errors": [
        {
          "field": "<string>",
          "code": "<string>",
          "message": "<string>"
        }
      ],
      "external_id": "<string>",
      "sku": "<string>"
    }
  ],
  "next_cursor": "<string>"
}