generated: '2026-07-11' method: derived source: openapi/openapi.yml summary: types: - apiKey api_key_in: - query schemes: - name: ApiKeyAuth type: apiKey in: query parameter: apiKey description: API key issued from bithumb.pro. All authenticated requests must also include `timestamp` (Unix ms) and `signature` (HmacSHA256 of sorted request parameters joined with "&"). sources: - openapi/openapi.yml