## List object structure and properties

A JSON response for the [Lists API](https://developers.cloudflare.com/api/resources/rules/subresources/lists/methods/list/) has this structure:

```json
{
  "id": "2c0fc9fa937b11eaa1b71c4d701ab86e",
  "name": "my_list_name",
  "description": "List description.",
  "kind": "(ip|hostname|asn|redirect)",
  "num_items": 10,
  "num_referencing_filters": 2,
  "created_on": "2021-01-01T08:00:00Z",
  "modified_on": "2021-01-10T14:00:00Z"
}
```

This table summarizes the object properties:

## List item object structure and properties

Each list type (IP address, hostname, ASN, redirects) can only contain items of the same type.

### IP address

A fully populated JSON object for an IP address list item has the following structure:

```json
{
  "id": "7c5dae5552338874e5053f2534d2767a",
  "ip": "10.0.0.1/32",
  "comment": "CF DNS server",
  "created_on": "2021-10-01T05:20:00.12345Z",
  "modified_on": "2021-10-01T05:20:00.12345Z"
}
```

### Hostname

A fully populated JSON object for a hostname list item has the following structure:

```json
{
  "id": "7c5dae5552338874e5053f2534d2767a",
  "hostname": {
    "url_hostname": "*.example.com"
  },
  "created_on": "2021-10-11T12:39:02Z",
  "modified_on": "2021-10-11T12:39:02Z"
}
```

### ASN

A fully populated JSON object for an ASN list item has the following structure:

```json
{
  "id": "7c5dae5552338874e5053f2534d2767a",
  "asn": 13335,
  "comment": "My provider's ASN",
  "created_on": "2021-10-11T12:39:02Z",
  "modified_on": "2021-10-11T12:39:02Z"
}
```

### URL redirect

A fully populated JSON object for a Bulk Redirect List item has the following structure:

```json
{
  "id": "7c5dae5552338874e5053f2534d2767a",
  "redirect": {
    "source_url": "https://example.com/blog",
    "target_url": "https://example.com/blog/latest",
    "status_code": 301,
    "include_subdomains": false,
    "subpath_matching": false,
    "preserve_query_string": false,
    "preserve_path_suffix": true
  },
  "created_on": "2021-10-11T12:39:02Z",
  "modified_on": "2021-10-11T12:39:02Z"
}
```

### Properties reference

The JSON object properties for a list item are defined as follows:

For a detailed specification, refer to the [Lists API](https://developers.cloudflare.com/api/resources/rules/subresources/lists/methods/list/) documentation.
