curl --request POST \
  --url https://api.threetone.in/v1/convai/agents/create \
  --header 'Content-Type: application/json' \
  --data '
{
  "conversation_config": {
    "schema_version": 2,
    "asr": {
      "model_id": "<string>",
      "recognition": {
        "mode": "fixed"
      },
      "task": "transcribe",
      "keyterms": [
        "<string>"
      ],
      "options": {
        "adapter_contract": "livekit_inference_cartesia_ink_2_v1",
        "turn_start_threshold": 0.7,
        "turn_eager_end_threshold": 0.44999999999999996,
        "turn_end_threshold": 0.275,
        "turn_end_timeout_ms": 5920
      }
    },
    "turn": {
      "interruption_ignore_term_languages": [],
      "interruption_ignore_terms": [],
      "merge_with_default_ignore_terms": false,
      "mode": "turn",
      "retranscribe_on_turn_timeout": false,
      "silence_end_call_timeout": -1,
      "soft_timeout_config": {
        "message": "Hhmmmm...yeah.",
        "timeout_seconds": -1
      },
      "speculative_turn": false,
      "spelling_patience": "auto",
      "transcribe_on_disabled_interruptions": false,
      "turn_eagerness": "normal",
      "turn_model": "turn_v3",
      "turn_timeout": 7
    },
    "tts": {
      "model_id": "<string>",
      "voice_id": "ME9RtCnWp5vX2LhJdF3k",
      "performance": "latency",
      "pronunciation_dictionary_locators": [
        {
          "pronunciation_dictionary_id": "<string>",
          "version_id": "<string>"
        }
      ],
      "enable_phoneme_tags": true,
      "options": {
        "adapter_contract": "livekit_inference_cartesia_sonic_3_6_2026_08_27_v1",
        "volume": 1.25,
        "duration_seconds": 1,
        "max_buffer_delay_ms": 1,
        "add_timestamps": true,
        "add_phoneme_timestamps": true,
        "use_normalized_timestamps": true
      }
    },
    "conversation": {
      "client_events": [
        "audio",
        "interruption"
      ],
      "max_duration_seconds": 600
    },
    "language_presets": {},
    "vad": {
      "background_voice_detection": false
    },
    "agent": {
      "disable_first_message_interruptions": false,
      "first_message": "Hello, how can I help you today?",
      "language": "en"
    }
  },
  "name": "My agent"
}
'

import requests

url = "https://api.threetone.in/v1/convai/agents/create"

payload = {
    "conversation_config": {
        "schema_version": 2,
        "asr": {
            "model_id": "<string>",
            "recognition": { "mode": "fixed" },
            "task": "transcribe",
            "keyterms": ["<string>"],
            "options": {
                "adapter_contract": "livekit_inference_cartesia_ink_2_v1",
                "turn_start_threshold": 0.7,
                "turn_eager_end_threshold": 0.44999999999999996,
                "turn_end_threshold": 0.275,
                "turn_end_timeout_ms": 5920
            }
        },
        "turn": {
            "interruption_ignore_term_languages": [],
            "interruption_ignore_terms": [],
            "merge_with_default_ignore_terms": False,
            "mode": "turn",
            "retranscribe_on_turn_timeout": False,
            "silence_end_call_timeout": -1,
            "soft_timeout_config": {
                "message": "Hhmmmm...yeah.",
                "timeout_seconds": -1
            },
            "speculative_turn": False,
            "spelling_patience": "auto",
            "transcribe_on_disabled_interruptions": False,
            "turn_eagerness": "normal",
            "turn_model": "turn_v3",
            "turn_timeout": 7
        },
        "tts": {
            "model_id": "<string>",
            "voice_id": "ME9RtCnWp5vX2LhJdF3k",
            "performance": "latency",
            "pronunciation_dictionary_locators": [
                {
                    "pronunciation_dictionary_id": "<string>",
                    "version_id": "<string>"
                }
            ],
            "enable_phoneme_tags": True,
            "options": {
                "adapter_contract": "livekit_inference_cartesia_sonic_3_6_2026_08_27_v1",
                "volume": 1.25,
                "duration_seconds": 1,
                "max_buffer_delay_ms": 1,
                "add_timestamps": True,
                "add_phoneme_timestamps": True,
                "use_normalized_timestamps": True
            }
        },
        "conversation": {
            "client_events": ["audio", "interruption"],
            "max_duration_seconds": 600
        },
        "language_presets": {},
        "vad": { "background_voice_detection": False },
        "agent": {
            "disable_first_message_interruptions": False,
            "first_message": "Hello, how can I help you today?",
            "language": "en"
        }
    },
    "name": "My agent"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    conversation_config: {
      schema_version: 2,
      asr: {
        model_id: '<string>',
        recognition: {mode: 'fixed'},
        task: 'transcribe',
        keyterms: ['<string>'],
        options: {
          adapter_contract: 'livekit_inference_cartesia_ink_2_v1',
          turn_start_threshold: 0.7,
          turn_eager_end_threshold: 0.44999999999999996,
          turn_end_threshold: 0.275,
          turn_end_timeout_ms: 5920
        }
      },
      turn: {
        interruption_ignore_term_languages: [],
        interruption_ignore_terms: [],
        merge_with_default_ignore_terms: false,
        mode: 'turn',
        retranscribe_on_turn_timeout: false,
        silence_end_call_timeout: -1,
        soft_timeout_config: {message: 'Hhmmmm...yeah.', timeout_seconds: -1},
        speculative_turn: false,
        spelling_patience: 'auto',
        transcribe_on_disabled_interruptions: false,
        turn_eagerness: 'normal',
        turn_model: 'turn_v3',
        turn_timeout: 7
      },
      tts: {
        model_id: '<string>',
        voice_id: 'ME9RtCnWp5vX2LhJdF3k',
        performance: 'latency',
        pronunciation_dictionary_locators: [{pronunciation_dictionary_id: '<string>', version_id: '<string>'}],
        enable_phoneme_tags: true,
        options: {
          adapter_contract: 'livekit_inference_cartesia_sonic_3_6_2026_08_27_v1',
          volume: 1.25,
          duration_seconds: 1,
          max_buffer_delay_ms: 1,
          add_timestamps: true,
          add_phoneme_timestamps: true,
          use_normalized_timestamps: true
        }
      },
      conversation: {client_events: ['audio', 'interruption'], max_duration_seconds: 600},
      language_presets: {},
      vad: {background_voice_detection: false},
      agent: {
        disable_first_message_interruptions: false,
        first_message: 'Hello, how can I help you today?',
        language: 'en'
      }
    },
    name: 'My agent'
  })
};

fetch('https://api.threetone.in/v1/convai/agents/create', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "agent_id": "agent_3701kwyb5spce24t3h8gpqpsy6zh",
  "initial_version_id": "agtvrsn_1401kwyb5tpwe868p2dtmj62q48t",
  "main_branch_id": "agtbrch_2201kwyb5tmbfb3a8a3jmtd5v28d"
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}