## List groups

`groups.list(**kwargs) -> PageNumberPage<Group>`

**get** `/v1/groups`

Returns a paginated list of groups belonging to the authenticated organization.

### Parameters

- `limit: Integer`

  Items per page (default: 20, max: 100)

- `page: Integer`

  Page number (default: 1)

### Returns

- `class Group`

  - `id: String`

    Prefixed group identifier (`grp_<base64-encoded-uuid>`).

  - `created_at: Time`

    Group creation timestamp (ISO 8601, UTC).

  - `external_reference_id: String`

    Stable identifier for this group in the integrator's own system.

  - `name: String`

    Human-readable group name.

  - `organization_id: String`

    Prefixed organization identifier (`org_<base64-encoded-uuid>`).

  - `updated_at: Time`

    Last-update timestamp (ISO 8601, UTC).

### Example

```ruby
require "vitable_connect"

vitable_connect = VitableConnect::Client.new(
  api_key: "My API Key",
  environment: "environment_1" # defaults to "production"
)

page = vitable_connect.groups.list

puts(page)
```

#### Response

```json
{
  "data": [
    {
      "id": "grp_abc123def456",
      "organization_id": "org_abc123def456",
      "name": "Tier 1",
      "external_reference_id": "mol_seg_001",
      "created_at": "2026-01-15T10:30:00Z",
      "updated_at": "2026-01-15T10:30:00Z"
    }
  ],
  "pagination": {
    "page": 1,
    "limit": 20,
    "total": 1,
    "total_pages": 1
  }
}
```