## Create group

`client.groups.create(GroupCreateParamsbody, RequestOptionsoptions?): GroupResponse`

**post** `/v1/groups`

Creates a new group scoped to the authenticated organization.

### Parameters

- `body: GroupCreateParams`

  - `external_reference_id: string`

  - `name: string`

### Returns

- `GroupResponse`

  Response containing a single group resource.

  - `data: Group`

    - `id: string`

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

    - `created_at: string | null`

      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: string | null`

      Last-update timestamp (ISO 8601, UTC).

### Example

```typescript
import VitableConnect from '@vitable-inc/vitable-connect';

const client = new VitableConnect({
  apiKey: process.env['VITABLE_CONNECT_API_KEY'], // This is the default and can be omitted
});

const groupResponse = await client.groups.create({
  external_reference_id: 'mol_seg_001',
  name: 'Tier 1',
});

console.log(groupResponse.data);
```

#### 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"
  }
}
```