curl --request POST \
  --url https://api-west.millis.ai/start_outbound_call \
  --header 'Content-Type: application/json' \
  --data '
{
  "from_phone": "<string>",
  "to_phone": "<string>",
  "agent_id": "<string>",
  "agent_config": {
    "prompt": "<string>",
    "voice": {
      "voice_id": "<string>",
      "model": "<string>",
      "settings": {}
    },
    "flow": {
      "user_start_first": true,
      "interruption": {
        "allowed": true,
        "keep_interruption_message": true,
        "first_messsage": true
      },
      "response_delay": 123,
      "auto_fill_responses": {
        "response_gap_threshold": 123,
        "messages": [
          "<string>"
        ]
      },
      "agent_terminate_call": {
        "enabled": true,
        "instruction": "<string>",
        "messages": [
          "<string>"
        ]
      },
      "voicemail": {
        "message": "<string>",
        "continue_on_voice_activity": true
      },
      "call_transfer": {
        "phone": "<string>",
        "phones": [
          {
            "phone": "<string>",
            "description": "<string>"
          }
        ],
        "instruction": "<string>",
        "messages": [
          "<string>"
        ]
      },
      "inactivity_handling": {
        "idle_time": 123,
        "message": "<string>"
      },
      "dtmf_dial": {
        "enabled": false,
        "instruction": "<string>"
      }
    },
    "first_message": "<string>",
    "tools": [
      {
        "name": "<string>",
        "description": "<string>",
        "params": [
          {
            "name": "<string>",
            "required": true,
            "type": "<string>",
            "description": "<string>"
          }
        ],
        "webhook": "<string>",
        "header": {},
        "method": "<string>",
        "timeout": 123,
        "run_after_call": true,
        "messages": [
          "<string>"
        ],
        "execute_after_message": true,
        "exclude_session_id": true
      }
    ],
    "millis_functions": [
      {
        "name": "<string>",
        "description": "<string>",
        "data": {
          "param": {
            "description": "<string>",
            "name": "<string>",
            "required": true,
            "type": "<string>"
          }
        },
        "type": "<string>",
        "messages": [
          "<string>"
        ]
      }
    ],
    "app_functions": [
      {
        "name": "<string>",
        "credentials": {}
      }
    ],
    "custom_llm_websocket": "<string>",
    "language": "en-US",
    "vad_threshold": 123,
    "llm": {
      "temperature": 0,
      "history_settings": {
        "history_message_limit": 123,
        "history_tool_result_limit": 123
      }
    },
    "session_timeout": {
      "max_duration": 123,
      "max_idle": 123,
      "message": "<string>"
    },
    "session_data_webhook": "<string>",
    "privacy_settings": {
      "opt_out_data_collection": true,
      "do_not_call_detection": false
    },
    "custom_vocabulary": {
      "keywords": {}
    },
    "extra_prompt_webhook": "<string>",
    "switch_language": {
      "languages": [
        "<string>"
      ]
    },
    "knowledge_base": {
      "files": [
        "<string>"
      ],
      "messages": [
        "<string>"
      ]
    },
    "speech_to_text": {
      "multilingual": true,
      "model": "<string>"
    },
    "call_settings": {
      "enable_recording": false,
      "background": {
        "url": "<string>",
        "volume": 123
      }
    },
    "memory": {
      "user_identifier_key": ""
    },
    "timezone": "<string>"
  },
  "metadata": {},
  "include_metadata_in_prompt": true,
  "session_continuation": {
    "session_id": "<string>",
    "messages": [
      {
        "role": "user",
        "content": "<string>"
      }
    ],
    "identifier_variable": "<string>"
  }
}
'

import requests

url = "https://api-west.millis.ai/start_outbound_call"

payload = {
    "from_phone": "<string>",
    "to_phone": "<string>",
    "agent_id": "<string>",
    "agent_config": {
        "prompt": "<string>",
        "voice": {
            "voice_id": "<string>",
            "model": "<string>",
            "settings": {}
        },
        "flow": {
            "user_start_first": True,
            "interruption": {
                "allowed": True,
                "keep_interruption_message": True,
                "first_messsage": True
            },
            "response_delay": 123,
            "auto_fill_responses": {
                "response_gap_threshold": 123,
                "messages": ["<string>"]
            },
            "agent_terminate_call": {
                "enabled": True,
                "instruction": "<string>",
                "messages": ["<string>"]
            },
            "voicemail": {
                "message": "<string>",
                "continue_on_voice_activity": True
            },
            "call_transfer": {
                "phone": "<string>",
                "phones": [
                    {
                        "phone": "<string>",
                        "description": "<string>"
                    }
                ],
                "instruction": "<string>",
                "messages": ["<string>"]
            },
            "inactivity_handling": {
                "idle_time": 123,
                "message": "<string>"
            },
            "dtmf_dial": {
                "enabled": False,
                "instruction": "<string>"
            }
        },
        "first_message": "<string>",
        "tools": [
            {
                "name": "<string>",
                "description": "<string>",
                "params": [
                    {
                        "name": "<string>",
                        "required": True,
                        "type": "<string>",
                        "description": "<string>"
                    }
                ],
                "webhook": "<string>",
                "header": {},
                "method": "<string>",
                "timeout": 123,
                "run_after_call": True,
                "messages": ["<string>"],
                "execute_after_message": True,
                "exclude_session_id": True
            }
        ],
        "millis_functions": [
            {
                "name": "<string>",
                "description": "<string>",
                "data": { "param": {
                        "description": "<string>",
                        "name": "<string>",
                        "required": True,
                        "type": "<string>"
                    } },
                "type": "<string>",
                "messages": ["<string>"]
            }
        ],
        "app_functions": [
            {
                "name": "<string>",
                "credentials": {}
            }
        ],
        "custom_llm_websocket": "<string>",
        "language": "en-US",
        "vad_threshold": 123,
        "llm": {
            "temperature": 0,
            "history_settings": {
                "history_message_limit": 123,
                "history_tool_result_limit": 123
            }
        },
        "session_timeout": {
            "max_duration": 123,
            "max_idle": 123,
            "message": "<string>"
        },
        "session_data_webhook": "<string>",
        "privacy_settings": {
            "opt_out_data_collection": True,
            "do_not_call_detection": False
        },
        "custom_vocabulary": { "keywords": {} },
        "extra_prompt_webhook": "<string>",
        "switch_language": { "languages": ["<string>"] },
        "knowledge_base": {
            "files": ["<string>"],
            "messages": ["<string>"]
        },
        "speech_to_text": {
            "multilingual": True,
            "model": "<string>"
        },
        "call_settings": {
            "enable_recording": False,
            "background": {
                "url": "<string>",
                "volume": 123
            }
        },
        "memory": { "user_identifier_key": "" },
        "timezone": "<string>"
    },
    "metadata": {},
    "include_metadata_in_prompt": True,
    "session_continuation": {
        "session_id": "<string>",
        "messages": [
            {
                "role": "user",
                "content": "<string>"
            }
        ],
        "identifier_variable": "<string>"
    }
}
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({
    from_phone: '<string>',
    to_phone: '<string>',
    agent_id: '<string>',
    agent_config: {
      prompt: '<string>',
      voice: {voice_id: '<string>', model: '<string>', settings: {}},
      flow: {
        user_start_first: true,
        interruption: {allowed: true, keep_interruption_message: true, first_messsage: true},
        response_delay: 123,
        auto_fill_responses: {response_gap_threshold: 123, messages: ['<string>']},
        agent_terminate_call: {enabled: true, instruction: '<string>', messages: ['<string>']},
        voicemail: {message: '<string>', continue_on_voice_activity: true},
        call_transfer: {
          phone: '<string>',
          phones: [{phone: '<string>', description: '<string>'}],
          instruction: '<string>',
          messages: ['<string>']
        },
        inactivity_handling: {idle_time: 123, message: '<string>'},
        dtmf_dial: {enabled: false, instruction: '<string>'}
      },
      first_message: '<string>',
      tools: [
        {
          name: '<string>',
          description: '<string>',
          params: [{name: '<string>', required: true, type: '<string>', description: '<string>'}],
          webhook: '<string>',
          header: {},
          method: '<string>',
          timeout: 123,
          run_after_call: true,
          messages: ['<string>'],
          execute_after_message: true,
          exclude_session_id: true
        }
      ],
      millis_functions: [
        {
          name: '<string>',
          description: '<string>',
          data: {
            param: {description: '<string>', name: '<string>', required: true, type: '<string>'}
          },
          type: '<string>',
          messages: ['<string>']
        }
      ],
      app_functions: [{name: '<string>', credentials: {}}],
      custom_llm_websocket: '<string>',
      language: 'en-US',
      vad_threshold: 123,
      llm: {
        temperature: 0,
        history_settings: {history_message_limit: 123, history_tool_result_limit: 123}
      },
      session_timeout: {max_duration: 123, max_idle: 123, message: '<string>'},
      session_data_webhook: '<string>',
      privacy_settings: {opt_out_data_collection: true, do_not_call_detection: false},
      custom_vocabulary: {keywords: {}},
      extra_prompt_webhook: '<string>',
      switch_language: {languages: ['<string>']},
      knowledge_base: {files: ['<string>'], messages: ['<string>']},
      speech_to_text: {multilingual: true, model: '<string>'},
      call_settings: {enable_recording: false, background: {url: '<string>', volume: 123}},
      memory: {user_identifier_key: ''},
      timezone: '<string>'
    },
    metadata: {},
    include_metadata_in_prompt: true,
    session_continuation: {
      session_id: '<string>',
      messages: [{role: 'user', content: '<string>'}],
      identifier_variable: '<string>'
    }
  })
};

fetch('https://api-west.millis.ai/start_outbound_call', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api-west.millis.ai/start_outbound_call",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'from_phone' => '<string>',
    'to_phone' => '<string>',
    'agent_id' => '<string>',
    'agent_config' => [
        'prompt' => '<string>',
        'voice' => [
                'voice_id' => '<string>',
                'model' => '<string>',
                'settings' => [
                                
                ]
        ],
        'flow' => [
                'user_start_first' => true,
                'interruption' => [
                                'allowed' => true,
                                'keep_interruption_message' => true,
                                'first_messsage' => true
                ],
                'response_delay' => 123,
                'auto_fill_responses' => [
                                'response_gap_threshold' => 123,
                                'messages' => [
                                                                '<string>'
                                ]
                ],
                'agent_terminate_call' => [
                                'enabled' => true,
                                'instruction' => '<string>',
                                'messages' => [
                                                                '<string>'
                                ]
                ],
                'voicemail' => [
                                'message' => '<string>',
                                'continue_on_voice_activity' => true
                ],
                'call_transfer' => [
                                'phone' => '<string>',
                                'phones' => [
                                                                [
                                                                                                                                'phone' => '<string>',
                                                                                                                                'description' => '<string>'
                                                                ]
                                ],
                                'instruction' => '<string>',
                                'messages' => [
                                                                '<string>'
                                ]
                ],
                'inactivity_handling' => [
                                'idle_time' => 123,
                                'message' => '<string>'
                ],
                'dtmf_dial' => [
                                'enabled' => false,
                                'instruction' => '<string>'
                ]
        ],
        'first_message' => '<string>',
        'tools' => [
                [
                                'name' => '<string>',
                                'description' => '<string>',
                                'params' => [
                                                                [
                                                                                                                                'name' => '<string>',
                                                                                                                                'required' => true,
                                                                                                                                'type' => '<string>',
                                                                                                                                'description' => '<string>'
                                                                ]
                                ],
                                'webhook' => '<string>',
                                'header' => [
                                                                
                                ],
                                'method' => '<string>',
                                'timeout' => 123,
                                'run_after_call' => true,
                                'messages' => [
                                                                '<string>'
                                ],
                                'execute_after_message' => true,
                                'exclude_session_id' => true
                ]
        ],
        'millis_functions' => [
                [
                                'name' => '<string>',
                                'description' => '<string>',
                                'data' => [
                                                                'param' => [
                                                                                                                                'description' => '<string>',
                                                                                                                                'name' => '<string>',
                                                                                                                                'required' => true,
                                                                                                                                'type' => '<string>'
                                                                ]
                                ],
                                'type' => '<string>',
                                'messages' => [
                                                                '<string>'
                                ]
                ]
        ],
        'app_functions' => [
                [
                                'name' => '<string>',
                                'credentials' => [
                                                                
                                ]
                ]
        ],
        'custom_llm_websocket' => '<string>',
        'language' => 'en-US',
        'vad_threshold' => 123,
        'llm' => [
                'temperature' => 0,
                'history_settings' => [
                                'history_message_limit' => 123,
                                'history_tool_result_limit' => 123
                ]
        ],
        'session_timeout' => [
                'max_duration' => 123,
                'max_idle' => 123,
                'message' => '<string>'
        ],
        'session_data_webhook' => '<string>',
        'privacy_settings' => [
                'opt_out_data_collection' => true,
                'do_not_call_detection' => false
        ],
        'custom_vocabulary' => [
                'keywords' => [
                                
                ]
        ],
        'extra_prompt_webhook' => '<string>',
        'switch_language' => [
                'languages' => [
                                '<string>'
                ]
        ],
        'knowledge_base' => [
                'files' => [
                                '<string>'
                ],
                'messages' => [
                                '<string>'
                ]
        ],
        'speech_to_text' => [
                'multilingual' => true,
                'model' => '<string>'
        ],
        'call_settings' => [
                'enable_recording' => false,
                'background' => [
                                'url' => '<string>',
                                'volume' => 123
                ]
        ],
        'memory' => [
                'user_identifier_key' => ''
        ],
        'timezone' => '<string>'
    ],
    'metadata' => [
        
    ],
    'include_metadata_in_prompt' => true,
    'session_continuation' => [
        'session_id' => '<string>',
        'messages' => [
                [
                                'role' => 'user',
                                'content' => '<string>'
                ]
        ],
        'identifier_variable' => '<string>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api-west.millis.ai/start_outbound_call"

	payload := strings.NewReader("{\n  \"from_phone\": \"<string>\",\n  \"to_phone\": \"<string>\",\n  \"agent_id\": \"<string>\",\n  \"agent_config\": {\n    \"prompt\": \"<string>\",\n    \"voice\": {\n      \"voice_id\": \"<string>\",\n      \"model\": \"<string>\",\n      \"settings\": {}\n    },\n    \"flow\": {\n      \"user_start_first\": true,\n      \"interruption\": {\n        \"allowed\": true,\n        \"keep_interruption_message\": true,\n        \"first_messsage\": true\n      },\n      \"response_delay\": 123,\n      \"auto_fill_responses\": {\n        \"response_gap_threshold\": 123,\n        \"messages\": [\n          \"<string>\"\n        ]\n      },\n      \"agent_terminate_call\": {\n        \"enabled\": true,\n        \"instruction\": \"<string>\",\n        \"messages\": [\n          \"<string>\"\n        ]\n      },\n      \"voicemail\": {\n        \"message\": \"<string>\",\n        \"continue_on_voice_activity\": true\n      },\n      \"call_transfer\": {\n        \"phone\": \"<string>\",\n        \"phones\": [\n          {\n            \"phone\": \"<string>\",\n            \"description\": \"<string>\"\n          }\n        ],\n        \"instruction\": \"<string>\",\n        \"messages\": [\n          \"<string>\"\n        ]\n      },\n      \"inactivity_handling\": {\n        \"idle_time\": 123,\n        \"message\": \"<string>\"\n      },\n      \"dtmf_dial\": {\n        \"enabled\": false,\n        \"instruction\": \"<string>\"\n      }\n    },\n    \"first_message\": \"<string>\",\n    \"tools\": [\n      {\n        \"name\": \"<string>\",\n        \"description\": \"<string>\",\n        \"params\": [\n          {\n            \"name\": \"<string>\",\n            \"required\": true,\n            \"type\": \"<string>\",\n            \"description\": \"<string>\"\n          }\n        ],\n        \"webhook\": \"<string>\",\n        \"header\": {},\n        \"method\": \"<string>\",\n        \"timeout\": 123,\n        \"run_after_call\": true,\n        \"messages\": [\n          \"<string>\"\n        ],\n        \"execute_after_message\": true,\n        \"exclude_session_id\": true\n      }\n    ],\n    \"millis_functions\": [\n      {\n        \"name\": \"<string>\",\n        \"description\": \"<string>\",\n        \"data\": {\n          \"param\": {\n            \"description\": \"<string>\",\n            \"name\": \"<string>\",\n            \"required\": true,\n            \"type\": \"<string>\"\n          }\n        },\n        \"type\": \"<string>\",\n        \"messages\": [\n          \"<string>\"\n        ]\n      }\n    ],\n    \"app_functions\": [\n      {\n        \"name\": \"<string>\",\n        \"credentials\": {}\n      }\n    ],\n    \"custom_llm_websocket\": \"<string>\",\n    \"language\": \"en-US\",\n    \"vad_threshold\": 123,\n    \"llm\": {\n      \"temperature\": 0,\n      \"history_settings\": {\n        \"history_message_limit\": 123,\n        \"history_tool_result_limit\": 123\n      }\n    },\n    \"session_timeout\": {\n      \"max_duration\": 123,\n      \"max_idle\": 123,\n      \"message\": \"<string>\"\n    },\n    \"session_data_webhook\": \"<string>\",\n    \"privacy_settings\": {\n      \"opt_out_data_collection\": true,\n      \"do_not_call_detection\": false\n    },\n    \"custom_vocabulary\": {\n      \"keywords\": {}\n    },\n    \"extra_prompt_webhook\": \"<string>\",\n    \"switch_language\": {\n      \"languages\": [\n        \"<string>\"\n      ]\n    },\n    \"knowledge_base\": {\n      \"files\": [\n        \"<string>\"\n      ],\n      \"messages\": [\n        \"<string>\"\n      ]\n    },\n    \"speech_to_text\": {\n      \"multilingual\": true,\n      \"model\": \"<string>\"\n    },\n    \"call_settings\": {\n      \"enable_recording\": false,\n      \"background\": {\n        \"url\": \"<string>\",\n        \"volume\": 123\n      }\n    },\n    \"memory\": {\n      \"user_identifier_key\": \"\"\n    },\n    \"timezone\": \"<string>\"\n  },\n  \"metadata\": {},\n  \"include_metadata_in_prompt\": true,\n  \"session_continuation\": {\n    \"session_id\": \"<string>\",\n    \"messages\": [\n      {\n        \"role\": \"user\",\n        \"content\": \"<string>\"\n      }\n    ],\n    \"identifier_variable\": \"<string>\"\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api-west.millis.ai/start_outbound_call")
  .header("Content-Type", "application/json")
  .body("{\n  \"from_phone\": \"<string>\",\n  \"to_phone\": \"<string>\",\n  \"agent_id\": \"<string>\",\n  \"agent_config\": {\n    \"prompt\": \"<string>\",\n    \"voice\": {\n      \"voice_id\": \"<string>\",\n      \"model\": \"<string>\",\n      \"settings\": {}\n    },\n    \"flow\": {\n      \"user_start_first\": true,\n      \"interruption\": {\n        \"allowed\": true,\n        \"keep_interruption_message\": true,\n        \"first_messsage\": true\n      },\n      \"response_delay\": 123,\n      \"auto_fill_responses\": {\n        \"response_gap_threshold\": 123,\n        \"messages\": [\n          \"<string>\"\n        ]\n      },\n      \"agent_terminate_call\": {\n        \"enabled\": true,\n        \"instruction\": \"<string>\",\n        \"messages\": [\n          \"<string>\"\n        ]\n      },\n      \"voicemail\": {\n        \"message\": \"<string>\",\n        \"continue_on_voice_activity\": true\n      },\n      \"call_transfer\": {\n        \"phone\": \"<string>\",\n        \"phones\": [\n          {\n            \"phone\": \"<string>\",\n            \"description\": \"<string>\"\n          }\n        ],\n        \"instruction\": \"<string>\",\n        \"messages\": [\n          \"<string>\"\n        ]\n      },\n      \"inactivity_handling\": {\n        \"idle_time\": 123,\n        \"message\": \"<string>\"\n      },\n      \"dtmf_dial\": {\n        \"enabled\": false,\n        \"instruction\": \"<string>\"\n      }\n    },\n    \"first_message\": \"<string>\",\n    \"tools\": [\n      {\n        \"name\": \"<string>\",\n        \"description\": \"<string>\",\n        \"params\": [\n          {\n            \"name\": \"<string>\",\n            \"required\": true,\n            \"type\": \"<string>\",\n            \"description\": \"<string>\"\n          }\n        ],\n        \"webhook\": \"<string>\",\n        \"header\": {},\n        \"method\": \"<string>\",\n        \"timeout\": 123,\n        \"run_after_call\": true,\n        \"messages\": [\n          \"<string>\"\n        ],\n        \"execute_after_message\": true,\n        \"exclude_session_id\": true\n      }\n    ],\n    \"millis_functions\": [\n      {\n        \"name\": \"<string>\",\n        \"description\": \"<string>\",\n        \"data\": {\n          \"param\": {\n            \"description\": \"<string>\",\n            \"name\": \"<string>\",\n            \"required\": true,\n            \"type\": \"<string>\"\n          }\n        },\n        \"type\": \"<string>\",\n        \"messages\": [\n          \"<string>\"\n        ]\n      }\n    ],\n    \"app_functions\": [\n      {\n        \"name\": \"<string>\",\n        \"credentials\": {}\n      }\n    ],\n    \"custom_llm_websocket\": \"<string>\",\n    \"language\": \"en-US\",\n    \"vad_threshold\": 123,\n    \"llm\": {\n      \"temperature\": 0,\n      \"history_settings\": {\n        \"history_message_limit\": 123,\n        \"history_tool_result_limit\": 123\n      }\n    },\n    \"session_timeout\": {\n      \"max_duration\": 123,\n      \"max_idle\": 123,\n      \"message\": \"<string>\"\n    },\n    \"session_data_webhook\": \"<string>\",\n    \"privacy_settings\": {\n      \"opt_out_data_collection\": true,\n      \"do_not_call_detection\": false\n    },\n    \"custom_vocabulary\": {\n      \"keywords\": {}\n    },\n    \"extra_prompt_webhook\": \"<string>\",\n    \"switch_language\": {\n      \"languages\": [\n        \"<string>\"\n      ]\n    },\n    \"knowledge_base\": {\n      \"files\": [\n        \"<string>\"\n      ],\n      \"messages\": [\n        \"<string>\"\n      ]\n    },\n    \"speech_to_text\": {\n      \"multilingual\": true,\n      \"model\": \"<string>\"\n    },\n    \"call_settings\": {\n      \"enable_recording\": false,\n      \"background\": {\n        \"url\": \"<string>\",\n        \"volume\": 123\n      }\n    },\n    \"memory\": {\n      \"user_identifier_key\": \"\"\n    },\n    \"timezone\": \"<string>\"\n  },\n  \"metadata\": {},\n  \"include_metadata_in_prompt\": true,\n  \"session_continuation\": {\n    \"session_id\": \"<string>\",\n    \"messages\": [\n      {\n        \"role\": \"user\",\n        \"content\": \"<string>\"\n      }\n    ],\n    \"identifier_variable\": \"<string>\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-west.millis.ai/start_outbound_call")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"from_phone\": \"<string>\",\n  \"to_phone\": \"<string>\",\n  \"agent_id\": \"<string>\",\n  \"agent_config\": {\n    \"prompt\": \"<string>\",\n    \"voice\": {\n      \"voice_id\": \"<string>\",\n      \"model\": \"<string>\",\n      \"settings\": {}\n    },\n    \"flow\": {\n      \"user_start_first\": true,\n      \"interruption\": {\n        \"allowed\": true,\n        \"keep_interruption_message\": true,\n        \"first_messsage\": true\n      },\n      \"response_delay\": 123,\n      \"auto_fill_responses\": {\n        \"response_gap_threshold\": 123,\n        \"messages\": [\n          \"<string>\"\n        ]\n      },\n      \"agent_terminate_call\": {\n        \"enabled\": true,\n        \"instruction\": \"<string>\",\n        \"messages\": [\n          \"<string>\"\n        ]\n      },\n      \"voicemail\": {\n        \"message\": \"<string>\",\n        \"continue_on_voice_activity\": true\n      },\n      \"call_transfer\": {\n        \"phone\": \"<string>\",\n        \"phones\": [\n          {\n            \"phone\": \"<string>\",\n            \"description\": \"<string>\"\n          }\n        ],\n        \"instruction\": \"<string>\",\n        \"messages\": [\n          \"<string>\"\n        ]\n      },\n      \"inactivity_handling\": {\n        \"idle_time\": 123,\n        \"message\": \"<string>\"\n      },\n      \"dtmf_dial\": {\n        \"enabled\": false,\n        \"instruction\": \"<string>\"\n      }\n    },\n    \"first_message\": \"<string>\",\n    \"tools\": [\n      {\n        \"name\": \"<string>\",\n        \"description\": \"<string>\",\n        \"params\": [\n          {\n            \"name\": \"<string>\",\n            \"required\": true,\n            \"type\": \"<string>\",\n            \"description\": \"<string>\"\n          }\n        ],\n        \"webhook\": \"<string>\",\n        \"header\": {},\n        \"method\": \"<string>\",\n        \"timeout\": 123,\n        \"run_after_call\": true,\n        \"messages\": [\n          \"<string>\"\n        ],\n        \"execute_after_message\": true,\n        \"exclude_session_id\": true\n      }\n    ],\n    \"millis_functions\": [\n      {\n        \"name\": \"<string>\",\n        \"description\": \"<string>\",\n        \"data\": {\n          \"param\": {\n            \"description\": \"<string>\",\n            \"name\": \"<string>\",\n            \"required\": true,\n            \"type\": \"<string>\"\n          }\n        },\n        \"type\": \"<string>\",\n        \"messages\": [\n          \"<string>\"\n        ]\n      }\n    ],\n    \"app_functions\": [\n      {\n        \"name\": \"<string>\",\n        \"credentials\": {}\n      }\n    ],\n    \"custom_llm_websocket\": \"<string>\",\n    \"language\": \"en-US\",\n    \"vad_threshold\": 123,\n    \"llm\": {\n      \"temperature\": 0,\n      \"history_settings\": {\n        \"history_message_limit\": 123,\n        \"history_tool_result_limit\": 123\n      }\n    },\n    \"session_timeout\": {\n      \"max_duration\": 123,\n      \"max_idle\": 123,\n      \"message\": \"<string>\"\n    },\n    \"session_data_webhook\": \"<string>\",\n    \"privacy_settings\": {\n      \"opt_out_data_collection\": true,\n      \"do_not_call_detection\": false\n    },\n    \"custom_vocabulary\": {\n      \"keywords\": {}\n    },\n    \"extra_prompt_webhook\": \"<string>\",\n    \"switch_language\": {\n      \"languages\": [\n        \"<string>\"\n      ]\n    },\n    \"knowledge_base\": {\n      \"files\": [\n        \"<string>\"\n      ],\n      \"messages\": [\n        \"<string>\"\n      ]\n    },\n    \"speech_to_text\": {\n      \"multilingual\": true,\n      \"model\": \"<string>\"\n    },\n    \"call_settings\": {\n      \"enable_recording\": false,\n      \"background\": {\n        \"url\": \"<string>\",\n        \"volume\": 123\n      }\n    },\n    \"memory\": {\n      \"user_identifier_key\": \"\"\n    },\n    \"timezone\": \"<string>\"\n  },\n  \"metadata\": {},\n  \"include_metadata_in_prompt\": true,\n  \"session_continuation\": {\n    \"session_id\": \"<string>\",\n    \"messages\": [\n      {\n        \"role\": \"user\",\n        \"content\": \"<string>\"\n      }\n    ],\n    \"identifier_variable\": \"<string>\"\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "call_id": "<string>",
  "session_id": "<string>"
}

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