# Delete a custom field key

Deletes the matching custom field key.

> Warning: Be very careful when using this endpoint as it also deletes
all associated values for that key.

Endpoint: DELETE /custom_field_keys/{custom_field_key_id}
Version: v4
Security: APIToken

## Path parameters:

  - `custom_field_key_id` (string, required)
    Unique identifier for the resource instance.
    Example: "plqlkk-22rw6g-3dqgx0"

## Header parameters:

  - `Authorization` (string, required)
    Bearer token for authentication

  - `Content-Type` (string, required)
    Enum: "application/json"