# To **limit the maximum length** of audio file ```{important} **Related paramters:** * max_seconds: Limits the maximum length of synthesized speech. The range of values are `1` to `60`. Default is `30`. ``` If you want to limit the **maximum length to 10 seconds**, you must request as follows: ```bash $ curl \ --request POST \ --url https://typecast.ai/api/speak \ --header "Content-Type: application/json" \ --header "Authorization: Bearer $API_TOKEN" \ --data '{ "text": "My name is Typecast.", "lang": "auto", "actor_id": "${24-letters-your_actor_id}", "max_seconds": 10 }' ```