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

# Update event

> Change the whale threshold for a tracked event.

Updates the per-event settings for an event you already track. Use it to raise or lower the dollar threshold that defines a whale on this event.

## Path parameters

<ParamField path="event_id" type="integer" required>
  The numeric tracking id, as returned by [List events](/whales/list-events) or [Add event](/whales/add-event).
</ParamField>

## Body parameters

<ParamField body="whale_threshold_usd" type="number">
  Minimum trade size, in USD, for a trade on this event to count as a whale.
</ParamField>

## Example

<CodeGroup>
  ```bash cURL theme={null}
  curl -X PATCH "https://api.oddpool.com/whales/user/events/65" \
    -H "X-API-Key: your_api_key" \
    -H "Content-Type: application/json" \
    -d '{"whale_threshold_usd": 10000}'
  ```

  ```python Python theme={null}
  import requests

  response = requests.patch(
      "https://api.oddpool.com/whales/user/events/65",
      headers={"X-API-Key": "your_api_key"},
      json={"whale_threshold_usd": 10000},
  )
  data = response.json()
  ```
</CodeGroup>

## Response

```json theme={null}
{
  "success": true,
  "event_id": 65,
  "whale_threshold_usd": 10000,
  "notify_on_whale_trade": true
}
```

## Errors

| Status | Reason                                                                       |
| ------ | ---------------------------------------------------------------------------- |
| `401`  | Missing or invalid API key.                                                  |
| `403`  | Your plan does not include whale tracking, or your subscription is inactive. |
| `404`  | You are not tracking this event.                                             |