# POST /whiteboards/:whiteboard_id/elements

**Resource:** [Whiteboards](./whiteboards.md)  
**MCP tool:** `add_whiteboard_elements`  
**Scopes:** `whiteboards:write`  
**Write operation:** yes

Append elements to the current whiteboard canvas without wiping what is already there.

## Parameters

| Name | In | Type | Required | Description |
|------|----|------|----------|-------------|
| `whiteboard_id` | path | string | yes |  |
| `elements` | body | array | yes |  |
| `require_approval` | body | boolean | no | Optional. Set true to route this write into the approval queue for human review instead of executing it immediately (returns 202 + an approval_id). Works even when your key/token has permission to execute directly. |

## Request example

```bash
curl -X POST   "https://api.trustpager.com/functions/v1/api/v1/whiteboards/:whiteboard_id/elements"   -H "Authorization: Bearer YOUR_API_KEY"   -H "Content-Type: application/json"   -d '{"elements":"..."}'
```

---
Base URL: `https://api.trustpager.com/functions/v1/api/v1` — Auth: `Authorization: Bearer YOUR_API_KEY`