> ## Documentation Index
> Fetch the complete documentation index at: https://terminal49-vorflux-dev-12120-supported-document-types.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Delete tracking request custom field

> Remove a custom field value from a tracking request in the Terminal49 API by referencing the custom field definition's api_slug for that tracking request.

Deletes a specific custom field from a tracking request by its `api_slug`.

## Path parameters

| Parameter             | Required | Description                                  |
| --------------------- | -------- | -------------------------------------------- |
| `tracking_request_id` | Yes      | The ID of the tracking request               |
| `api_slug`            | Yes      | The api\_slug of the custom field definition |

## Authorization

Requires `update` permission on the tracking request.

## Response

Returns `204 No Content` on success.