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

# List delivery events

> GET /api/v1/comms/events — inspect outbound delivery attempts.

List outbound delivery attempts for debugging when a send was accepted but delivery status is unclear.

**Scope:** `comms_read`

## Request

```bash theme={null}
curl "https://osis.co/api/v1/comms/events?limit=50" \
  -H "Authorization: Bearer $COMMS_API_KEY"
```

### Query parameters

<ParamField query="limit" type="integer">
  Maximum number of delivery rows to return.
</ParamField>

## Response

```json theme={null}
{
  "deliveries": [
    {
      "id": "dlv_…",
      "event": "message.sent",
      "status": "delivered",
      "attempts": 1,
      "last_status": "delivered",
      "created_at": "2026-07-15T15:00:00.000Z"
    }
  ]
}
```

Use this alongside [List messages](/messages-api/list-messages) when support needs a wire-level trail.