> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cometly.com/llms.txt
> Use this file to discover all available pages before exploring further.

# verify_pixel_events

> Confirm pixel events are actually arriving from a domain by querying Cometly's ingestion logs.

Queries Cometly's tracker ingestion to verify the pixel is firing for real user traffic on a domain. Authoritative signal for "is the pixel actually working?" — complements [`inspect_site`](/mcp/tools/inspect-site), which only confirms the tag is present in HTML.

## When to use

* After `inspect_site` confirms the pixel tag is present but the user reports no data.
* To confirm a recent install is live before the user runs ads.

## Parameters

| Parameter        | Type    | Required | Description                                             |
| ---------------- | ------- | -------- | ------------------------------------------------------- |
| `domain`         | string  | Yes      | The domain to verify (must be connected to this space). |
| `lookback_hours` | integer | No       | How far back to look (default 24).                      |

## Output

JSON with event counts bucketed by event\_name and timestamp ranges showing when the most recent fires occurred. Use this to diagnose "pixel installed but no data" → "pixel installed and last fired 18 hours ago" → "ad-blocker share is materially affecting visibility".