{"status":"ok","voices":129,"default_voice":"BV421_vivn_streaming","base":"https://editor-api-sg.capcutapi.com","poll_timeout_seconds":30,"log_raw":true,"endpoints":[{"method":"GET","path":"/health","desc":"health check + meta"},{"method":"GET","path":"/voices?lan=&lang=&search=","desc":"list/filter voices"},{"method":"POST","path":"/tts","desc":"sync TTS: submit + bounded poll -> audio_url"},{"method":"POST","path":"/tts/submit","desc":"async TTS: submit only -> task_id, token"},{"method":"GET","path":"/tts/status/<task_id>?token=","desc":"query one task status"},{"method":"GET","path":"/tts/download/<task_id>?token=","desc":"download audio bytes (audio/mpeg)"}],"tts_body":{"text":"str (hoặc 'texts') — text cần chuyển","texts":"list[str] (hoặc 'text') — nhiều segment","voice":"str optional — voice_type (xem /voices)","rate":"float optional default 1.0, range 0.5-2.0","lang":"str optional — chọn default voice theo lang"}}