curl --request DELETE \
  --url https://sitegpt.ai/api/v2/onboarding/workspaces/{workspaceId} \
  --header 'Authorization: Bearer <token>'

{
  "ok": true,
  "data": {
    "deletedWorkspace": {
      "id": "workspace-id",
      "chatbotId": "chatbot-id",
      "sourceUrl": "https://example.com/",
      "normalizedDomain": "example.com",
      "status": "REVOKED",
      "expiresAt": "2026-05-20T00:00:00.000Z"
    },
    "message": "The onboarding workspace and temporary chatbot were deleted. This workspace is no longer available."
  },
  "meta": {
    "requestId": "request-id"
  }
}