create_publish_key
Step 2: exchange the emailed 6-digit code for a boom_sk_ API key. Returns the key ONCE — reuse it for this user's later publish/list/delete calls.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| code | Yes | The 6-digit code from the email. | |
| Yes | Same email used in request_publish_key. | ||
| label | No | Optional label for the key. |