import Retell from 'retell-sdk';

const client = new Retell({
  apiKey: process.env['RETELL_API_KEY'], // This is the default and can be omitted
});

const conversationFlowResponse = await client.conversationFlow.create({
  nodes: [
    {
      id: 'start',
      instruction: { text: 'Greet the customer and ask how you can help them.', type: 'prompt' },
      type: 'conversation',
    },
  ],
  start_speaker: 'agent',
});

console.log(conversationFlowResponse.conversation_flow_id);

import os
from retell import Retell

client = Retell(
    api_key=os.environ.get("RETELL_API_KEY"),  # This is the default and can be omitted
)
conversation_flow_response = client.conversation_flow.create(
    nodes=[{
        "id": "start",
        "instruction": {
            "text": "Greet the customer and ask how you can help them.",
            "type": "prompt",
        },
        "type": "conversation",
    }],
    start_speaker="agent",
)
print(conversation_flow_response.conversation_flow_id)

curl --request POST \
  --url https://api.retellai.com/create-conversation-flow \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "start_speaker": "agent",
  "nodes": [
    {
      "id": "start",
      "type": "conversation",
      "instruction": {
        "type": "prompt",
        "text": "Greet the customer and ask how you can help them."
      },
      "edges": [
        {
          "id": "edge_1",
          "transition_condition": {
            "type": "prompt",
            "prompt": "Customer wants to book appointment"
          },
          "destination_node_id": "book_appointment"
        }
      ]
    }
  ],
  "model_config": {
    "type": "cascading",
    "backup": {
      "kick_in_timeout_ms": 30150
    },
    "temperature": 0
  },
  "backup_model": {
    "type": "cascading",
    "high_priority": true,
    "ultrafast": true,
    "backup_kick_in_timeout": 30150
  },
  "model_choice": {
    "type": "cascading",
    "high_priority": true,
    "ultrafast": true
  },
  "model_temperature": 0.7,
  "tool_call_strict_mode": true,
  "knowledge_base_ids": [
    "kb_001",
    "kb_002"
  ],
  "kb_config": {
    "top_k": 3,
    "filter_score": 0.6
  },
  "begin_after_user_silence_ms": 2000,
  "global_prompt": "You are a helpful customer service agent.",
  "flex_mode": false,
  "tools": [
    {
      "type": "custom",
      "name": "get_customer_info",
      "description": "Get customer information from database",
      "tool_id": "tool_001",
      "url": "https://api.example.com/customer",
      "method": "GET"
    }
  ],
  "components": [
    {
      "name": "Customer Information Collector",
      "nodes": [
        {
          "id": "collect_info",
          "type": "conversation",
          "instruction": {
            "type": "prompt",
            "text": "Ask the customer for their name and contact information."
          }
        }
      ],
      "flex_mode": false,
      "tools": [
        {
          "type": "custom",
          "name": "get_customer_info",
          "description": "Get customer information from database",
          "tool_id": "tool_001",
          "url": "https://api.example.com/customer",
          "method": "GET"
        }
      ],
      "mcps": [
        {
          "name": "<string>",
          "url": "<string>",
          "headers": {
            "Authorization": "Bearer 1234567890"
          },
          "query_params": {
            "index": "1",
            "key": "value"
          },
          "timeout_ms": 123
        }
      ],
      "start_node_id": "collect_info",
      "begin_tag_display_position": {
        "x": 100,
        "y": 200
      },
      "notes": [
        {
          "id": "note_abc123",
          "content": "Remember to handle edge cases here.",
          "display_position": {
            "x": 300,
            "y": 150
          },
          "size": {
            "width": 200,
            "height": 100
          }
        }
      ]
    }
  ],
  "start_node_id": "start",
  "default_dynamic_variables": {
    "company_name": "Retell Inc",
    "support_hours": "9 AM - 5 PM"
  },
  "begin_tag_display_position": {
    "x": 100,
    "y": 200
  },
  "notes": [
    {
      "id": "note_abc123",
      "content": "Remember to handle edge cases here.",
      "display_position": {
        "x": 300,
        "y": 150
      },
      "size": {
        "width": 200,
        "height": 100
      }
    }
  ],
  "mcps": [
    {
      "name": "<string>",
      "url": "<string>",
      "headers": {
        "Authorization": "Bearer 1234567890"
      },
      "query_params": {
        "index": "1",
        "key": "value"
      },
      "timeout_ms": 123
    }
  ],
  "is_transfer_cf": false
}
'

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.retellai.com/create-conversation-flow",
  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([
    'start_speaker' => 'agent',
    'nodes' => [
        [
                'id' => 'start',
                'type' => 'conversation',
                'instruction' => [
                                'type' => 'prompt',
                                'text' => 'Greet the customer and ask how you can help them.'
                ],
                'edges' => [
                                [
                                                                'id' => 'edge_1',
                                                                'transition_condition' => [
                                                                                                                                'type' => 'prompt',
                                                                                                                                'prompt' => 'Customer wants to book appointment'
                                                                ],
                                                                'destination_node_id' => 'book_appointment'
                                ]
                ]
        ]
    ],
    'model_config' => [
        'type' => 'cascading',
        'backup' => [
                'kick_in_timeout_ms' => 30150
        ],
        'temperature' => 0
    ],
    'backup_model' => [
        'type' => 'cascading',
        'high_priority' => true,
        'ultrafast' => true,
        'backup_kick_in_timeout' => 30150
    ],
    'model_choice' => [
        'type' => 'cascading',
        'high_priority' => true,
        'ultrafast' => true
    ],
    'model_temperature' => 0.7,
    'tool_call_strict_mode' => true,
    'knowledge_base_ids' => [
        'kb_001',
        'kb_002'
    ],
    'kb_config' => [
        'top_k' => 3,
        'filter_score' => 0.6
    ],
    'begin_after_user_silence_ms' => 2000,
    'global_prompt' => 'You are a helpful customer service agent.',
    'flex_mode' => false,
    'tools' => [
        [
                'type' => 'custom',
                'name' => 'get_customer_info',
                'description' => 'Get customer information from database',
                'tool_id' => 'tool_001',
                'url' => 'https://api.example.com/customer',
                'method' => 'GET'
        ]
    ],
    'components' => [
        [
                'name' => 'Customer Information Collector',
                'nodes' => [
                                [
                                                                'id' => 'collect_info',
                                                                'type' => 'conversation',
                                                                'instruction' => [
                                                                                                                                'type' => 'prompt',
                                                                                                                                'text' => 'Ask the customer for their name and contact information.'
                                                                ]
                                ]
                ],
                'flex_mode' => false,
                'tools' => [
                                [
                                                                'type' => 'custom',
                                                                'name' => 'get_customer_info',
                                                                'description' => 'Get customer information from database',
                                                                'tool_id' => 'tool_001',
                                                                'url' => 'https://api.example.com/customer',
                                                                'method' => 'GET'
                                ]
                ],
                'mcps' => [
                                [
                                                                'name' => '<string>',
                                                                'url' => '<string>',
                                                                'headers' => [
                                                                                                                                'Authorization' => 'Bearer 1234567890'
                                                                ],
                                                                'query_params' => [
                                                                                                                                'index' => '1',
                                                                                                                                'key' => 'value'
                                                                ],
                                                                'timeout_ms' => 123
                                ]
                ],
                'start_node_id' => 'collect_info',
                'begin_tag_display_position' => [
                                'x' => 100,
                                'y' => 200
                ],
                'notes' => [
                                [
                                                                'id' => 'note_abc123',
                                                                'content' => 'Remember to handle edge cases here.',
                                                                'display_position' => [
                                                                                                                                'x' => 300,
                                                                                                                                'y' => 150
                                                                ],
                                                                'size' => [
                                                                                                                                'width' => 200,
                                                                                                                                'height' => 100
                                                                ]
                                ]
                ]
        ]
    ],
    'start_node_id' => 'start',
    'default_dynamic_variables' => [
        'company_name' => 'Retell Inc',
        'support_hours' => '9 AM - 5 PM'
    ],
    'begin_tag_display_position' => [
        'x' => 100,
        'y' => 200
    ],
    'notes' => [
        [
                'id' => 'note_abc123',
                'content' => 'Remember to handle edge cases here.',
                'display_position' => [
                                'x' => 300,
                                'y' => 150
                ],
                'size' => [
                                'width' => 200,
                                'height' => 100
                ]
        ]
    ],
    'mcps' => [
        [
                'name' => '<string>',
                'url' => '<string>',
                'headers' => [
                                'Authorization' => 'Bearer 1234567890'
                ],
                'query_params' => [
                                'index' => '1',
                                'key' => 'value'
                ],
                'timeout_ms' => 123
        ]
    ],
    'is_transfer_cf' => false
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.retellai.com/create-conversation-flow"

	payload := strings.NewReader("{\n  \"start_speaker\": \"agent\",\n  \"nodes\": [\n    {\n      \"id\": \"start\",\n      \"type\": \"conversation\",\n      \"instruction\": {\n        \"type\": \"prompt\",\n        \"text\": \"Greet the customer and ask how you can help them.\"\n      },\n      \"edges\": [\n        {\n          \"id\": \"edge_1\",\n          \"transition_condition\": {\n            \"type\": \"prompt\",\n            \"prompt\": \"Customer wants to book appointment\"\n          },\n          \"destination_node_id\": \"book_appointment\"\n        }\n      ]\n    }\n  ],\n  \"model_config\": {\n    \"type\": \"cascading\",\n    \"backup\": {\n      \"kick_in_timeout_ms\": 30150\n    },\n    \"temperature\": 0\n  },\n  \"backup_model\": {\n    \"type\": \"cascading\",\n    \"high_priority\": true,\n    \"ultrafast\": true,\n    \"backup_kick_in_timeout\": 30150\n  },\n  \"model_choice\": {\n    \"type\": \"cascading\",\n    \"high_priority\": true,\n    \"ultrafast\": true\n  },\n  \"model_temperature\": 0.7,\n  \"tool_call_strict_mode\": true,\n  \"knowledge_base_ids\": [\n    \"kb_001\",\n    \"kb_002\"\n  ],\n  \"kb_config\": {\n    \"top_k\": 3,\n    \"filter_score\": 0.6\n  },\n  \"begin_after_user_silence_ms\": 2000,\n  \"global_prompt\": \"You are a helpful customer service agent.\",\n  \"flex_mode\": false,\n  \"tools\": [\n    {\n      \"type\": \"custom\",\n      \"name\": \"get_customer_info\",\n      \"description\": \"Get customer information from database\",\n      \"tool_id\": \"tool_001\",\n      \"url\": \"https://api.example.com/customer\",\n      \"method\": \"GET\"\n    }\n  ],\n  \"components\": [\n    {\n      \"name\": \"Customer Information Collector\",\n      \"nodes\": [\n        {\n          \"id\": \"collect_info\",\n          \"type\": \"conversation\",\n          \"instruction\": {\n            \"type\": \"prompt\",\n            \"text\": \"Ask the customer for their name and contact information.\"\n          }\n        }\n      ],\n      \"flex_mode\": false,\n      \"tools\": [\n        {\n          \"type\": \"custom\",\n          \"name\": \"get_customer_info\",\n          \"description\": \"Get customer information from database\",\n          \"tool_id\": \"tool_001\",\n          \"url\": \"https://api.example.com/customer\",\n          \"method\": \"GET\"\n        }\n      ],\n      \"mcps\": [\n        {\n          \"name\": \"<string>\",\n          \"url\": \"<string>\",\n          \"headers\": {\n            \"Authorization\": \"Bearer 1234567890\"\n          },\n          \"query_params\": {\n            \"index\": \"1\",\n            \"key\": \"value\"\n          },\n          \"timeout_ms\": 123\n        }\n      ],\n      \"start_node_id\": \"collect_info\",\n      \"begin_tag_display_position\": {\n        \"x\": 100,\n        \"y\": 200\n      },\n      \"notes\": [\n        {\n          \"id\": \"note_abc123\",\n          \"content\": \"Remember to handle edge cases here.\",\n          \"display_position\": {\n            \"x\": 300,\n            \"y\": 150\n          },\n          \"size\": {\n            \"width\": 200,\n            \"height\": 100\n          }\n        }\n      ]\n    }\n  ],\n  \"start_node_id\": \"start\",\n  \"default_dynamic_variables\": {\n    \"company_name\": \"Retell Inc\",\n    \"support_hours\": \"9 AM - 5 PM\"\n  },\n  \"begin_tag_display_position\": {\n    \"x\": 100,\n    \"y\": 200\n  },\n  \"notes\": [\n    {\n      \"id\": \"note_abc123\",\n      \"content\": \"Remember to handle edge cases here.\",\n      \"display_position\": {\n        \"x\": 300,\n        \"y\": 150\n      },\n      \"size\": {\n        \"width\": 200,\n        \"height\": 100\n      }\n    }\n  ],\n  \"mcps\": [\n    {\n      \"name\": \"<string>\",\n      \"url\": \"<string>\",\n      \"headers\": {\n        \"Authorization\": \"Bearer 1234567890\"\n      },\n      \"query_params\": {\n        \"index\": \"1\",\n        \"key\": \"value\"\n      },\n      \"timeout_ms\": 123\n    }\n  ],\n  \"is_transfer_cf\": false\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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.retellai.com/create-conversation-flow")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"start_speaker\": \"agent\",\n  \"nodes\": [\n    {\n      \"id\": \"start\",\n      \"type\": \"conversation\",\n      \"instruction\": {\n        \"type\": \"prompt\",\n        \"text\": \"Greet the customer and ask how you can help them.\"\n      },\n      \"edges\": [\n        {\n          \"id\": \"edge_1\",\n          \"transition_condition\": {\n            \"type\": \"prompt\",\n            \"prompt\": \"Customer wants to book appointment\"\n          },\n          \"destination_node_id\": \"book_appointment\"\n        }\n      ]\n    }\n  ],\n  \"model_config\": {\n    \"type\": \"cascading\",\n    \"backup\": {\n      \"kick_in_timeout_ms\": 30150\n    },\n    \"temperature\": 0\n  },\n  \"backup_model\": {\n    \"type\": \"cascading\",\n    \"high_priority\": true,\n    \"ultrafast\": true,\n    \"backup_kick_in_timeout\": 30150\n  },\n  \"model_choice\": {\n    \"type\": \"cascading\",\n    \"high_priority\": true,\n    \"ultrafast\": true\n  },\n  \"model_temperature\": 0.7,\n  \"tool_call_strict_mode\": true,\n  \"knowledge_base_ids\": [\n    \"kb_001\",\n    \"kb_002\"\n  ],\n  \"kb_config\": {\n    \"top_k\": 3,\n    \"filter_score\": 0.6\n  },\n  \"begin_after_user_silence_ms\": 2000,\n  \"global_prompt\": \"You are a helpful customer service agent.\",\n  \"flex_mode\": false,\n  \"tools\": [\n    {\n      \"type\": \"custom\",\n      \"name\": \"get_customer_info\",\n      \"description\": \"Get customer information from database\",\n      \"tool_id\": \"tool_001\",\n      \"url\": \"https://api.example.com/customer\",\n      \"method\": \"GET\"\n    }\n  ],\n  \"components\": [\n    {\n      \"name\": \"Customer Information Collector\",\n      \"nodes\": [\n        {\n          \"id\": \"collect_info\",\n          \"type\": \"conversation\",\n          \"instruction\": {\n            \"type\": \"prompt\",\n            \"text\": \"Ask the customer for their name and contact information.\"\n          }\n        }\n      ],\n      \"flex_mode\": false,\n      \"tools\": [\n        {\n          \"type\": \"custom\",\n          \"name\": \"get_customer_info\",\n          \"description\": \"Get customer information from database\",\n          \"tool_id\": \"tool_001\",\n          \"url\": \"https://api.example.com/customer\",\n          \"method\": \"GET\"\n        }\n      ],\n      \"mcps\": [\n        {\n          \"name\": \"<string>\",\n          \"url\": \"<string>\",\n          \"headers\": {\n            \"Authorization\": \"Bearer 1234567890\"\n          },\n          \"query_params\": {\n            \"index\": \"1\",\n            \"key\": \"value\"\n          },\n          \"timeout_ms\": 123\n        }\n      ],\n      \"start_node_id\": \"collect_info\",\n      \"begin_tag_display_position\": {\n        \"x\": 100,\n        \"y\": 200\n      },\n      \"notes\": [\n        {\n          \"id\": \"note_abc123\",\n          \"content\": \"Remember to handle edge cases here.\",\n          \"display_position\": {\n            \"x\": 300,\n            \"y\": 150\n          },\n          \"size\": {\n            \"width\": 200,\n            \"height\": 100\n          }\n        }\n      ]\n    }\n  ],\n  \"start_node_id\": \"start\",\n  \"default_dynamic_variables\": {\n    \"company_name\": \"Retell Inc\",\n    \"support_hours\": \"9 AM - 5 PM\"\n  },\n  \"begin_tag_display_position\": {\n    \"x\": 100,\n    \"y\": 200\n  },\n  \"notes\": [\n    {\n      \"id\": \"note_abc123\",\n      \"content\": \"Remember to handle edge cases here.\",\n      \"display_position\": {\n        \"x\": 300,\n        \"y\": 150\n      },\n      \"size\": {\n        \"width\": 200,\n        \"height\": 100\n      }\n    }\n  ],\n  \"mcps\": [\n    {\n      \"name\": \"<string>\",\n      \"url\": \"<string>\",\n      \"headers\": {\n        \"Authorization\": \"Bearer 1234567890\"\n      },\n      \"query_params\": {\n        \"index\": \"1\",\n        \"key\": \"value\"\n      },\n      \"timeout_ms\": 123\n    }\n  ],\n  \"is_transfer_cf\": false\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.retellai.com/create-conversation-flow")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"start_speaker\": \"agent\",\n  \"nodes\": [\n    {\n      \"id\": \"start\",\n      \"type\": \"conversation\",\n      \"instruction\": {\n        \"type\": \"prompt\",\n        \"text\": \"Greet the customer and ask how you can help them.\"\n      },\n      \"edges\": [\n        {\n          \"id\": \"edge_1\",\n          \"transition_condition\": {\n            \"type\": \"prompt\",\n            \"prompt\": \"Customer wants to book appointment\"\n          },\n          \"destination_node_id\": \"book_appointment\"\n        }\n      ]\n    }\n  ],\n  \"model_config\": {\n    \"type\": \"cascading\",\n    \"backup\": {\n      \"kick_in_timeout_ms\": 30150\n    },\n    \"temperature\": 0\n  },\n  \"backup_model\": {\n    \"type\": \"cascading\",\n    \"high_priority\": true,\n    \"ultrafast\": true,\n    \"backup_kick_in_timeout\": 30150\n  },\n  \"model_choice\": {\n    \"type\": \"cascading\",\n    \"high_priority\": true,\n    \"ultrafast\": true\n  },\n  \"model_temperature\": 0.7,\n  \"tool_call_strict_mode\": true,\n  \"knowledge_base_ids\": [\n    \"kb_001\",\n    \"kb_002\"\n  ],\n  \"kb_config\": {\n    \"top_k\": 3,\n    \"filter_score\": 0.6\n  },\n  \"begin_after_user_silence_ms\": 2000,\n  \"global_prompt\": \"You are a helpful customer service agent.\",\n  \"flex_mode\": false,\n  \"tools\": [\n    {\n      \"type\": \"custom\",\n      \"name\": \"get_customer_info\",\n      \"description\": \"Get customer information from database\",\n      \"tool_id\": \"tool_001\",\n      \"url\": \"https://api.example.com/customer\",\n      \"method\": \"GET\"\n    }\n  ],\n  \"components\": [\n    {\n      \"name\": \"Customer Information Collector\",\n      \"nodes\": [\n        {\n          \"id\": \"collect_info\",\n          \"type\": \"conversation\",\n          \"instruction\": {\n            \"type\": \"prompt\",\n            \"text\": \"Ask the customer for their name and contact information.\"\n          }\n        }\n      ],\n      \"flex_mode\": false,\n      \"tools\": [\n        {\n          \"type\": \"custom\",\n          \"name\": \"get_customer_info\",\n          \"description\": \"Get customer information from database\",\n          \"tool_id\": \"tool_001\",\n          \"url\": \"https://api.example.com/customer\",\n          \"method\": \"GET\"\n        }\n      ],\n      \"mcps\": [\n        {\n          \"name\": \"<string>\",\n          \"url\": \"<string>\",\n          \"headers\": {\n            \"Authorization\": \"Bearer 1234567890\"\n          },\n          \"query_params\": {\n            \"index\": \"1\",\n            \"key\": \"value\"\n          },\n          \"timeout_ms\": 123\n        }\n      ],\n      \"start_node_id\": \"collect_info\",\n      \"begin_tag_display_position\": {\n        \"x\": 100,\n        \"y\": 200\n      },\n      \"notes\": [\n        {\n          \"id\": \"note_abc123\",\n          \"content\": \"Remember to handle edge cases here.\",\n          \"display_position\": {\n            \"x\": 300,\n            \"y\": 150\n          },\n          \"size\": {\n            \"width\": 200,\n            \"height\": 100\n          }\n        }\n      ]\n    }\n  ],\n  \"start_node_id\": \"start\",\n  \"default_dynamic_variables\": {\n    \"company_name\": \"Retell Inc\",\n    \"support_hours\": \"9 AM - 5 PM\"\n  },\n  \"begin_tag_display_position\": {\n    \"x\": 100,\n    \"y\": 200\n  },\n  \"notes\": [\n    {\n      \"id\": \"note_abc123\",\n      \"content\": \"Remember to handle edge cases here.\",\n      \"display_position\": {\n        \"x\": 300,\n        \"y\": 150\n      },\n      \"size\": {\n        \"width\": 200,\n        \"height\": 100\n      }\n    }\n  ],\n  \"mcps\": [\n    {\n      \"name\": \"<string>\",\n      \"url\": \"<string>\",\n      \"headers\": {\n        \"Authorization\": \"Bearer 1234567890\"\n      },\n      \"query_params\": {\n        \"index\": \"1\",\n        \"key\": \"value\"\n      },\n      \"timeout_ms\": 123\n    }\n  ],\n  \"is_transfer_cf\": false\n}"

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

{
  "conversation_flow_id": "<string>",
  "version": 123,
  "last_modification_timestamp": 1703413636133,
  "model_config": {
    "type": "cascading",
    "primary": {
      "model": "gpt-4.1",
      "tier": "standard"
    },
    "backup": {
      "model": "gpt-4.1",
      "tier": "standard",
      "kick_in_timeout_ms": 30150
    },
    "temperature": 0
  },
  "backup_model": {
    "type": "cascading",
    "model": "gpt-4.1",
    "high_priority": true,
    "ultrafast": true,
    "backup_kick_in_timeout": 30150
  },
  "model_choice": {
    "type": "cascading",
    "model": "gpt-4.1",
    "high_priority": true,
    "ultrafast": true
  },
  "model_temperature": 0.7,
  "tool_call_strict_mode": true,
  "knowledge_base_ids": [
    "kb_001",
    "kb_002"
  ],
  "kb_config": {
    "top_k": 3,
    "filter_score": 0.6
  },
  "start_speaker": "agent",
  "begin_after_user_silence_ms": 2000,
  "global_prompt": "You are a helpful customer service agent.",
  "flex_mode": false,
  "tools": [
    {
      "type": "custom",
      "name": "get_customer_info",
      "description": "Get customer information from database",
      "tool_id": "tool_001",
      "url": "https://api.example.com/customer",
      "method": "GET"
    }
  ],
  "components": [
    {
      "name": "Customer Information Collector",
      "nodes": [
        {
          "id": "collect_info",
          "type": "conversation",
          "instruction": {
            "type": "prompt",
            "text": "Ask the customer for their name and contact information."
          }
        }
      ],
      "flex_mode": false,
      "tools": [
        {
          "type": "custom",
          "name": "get_customer_info",
          "description": "Get customer information from database",
          "tool_id": "tool_001",
          "url": "https://api.example.com/customer",
          "method": "GET"
        }
      ],
      "mcps": [
        {
          "name": "<string>",
          "url": "<string>",
          "headers": {
            "Authorization": "Bearer 1234567890"
          },
          "query_params": {
            "index": "1",
            "key": "value"
          },
          "timeout_ms": 123
        }
      ],
      "start_node_id": "collect_info",
      "begin_tag_display_position": {
        "x": 100,
        "y": 200
      },
      "notes": [
        {
          "id": "note_abc123",
          "content": "Remember to handle edge cases here.",
          "display_position": {
            "x": 300,
            "y": 150
          },
          "size": {
            "width": 200,
            "height": 100
          }
        }
      ]
    }
  ],
  "start_node_id": "start",
  "default_dynamic_variables": {
    "company_name": "Retell Inc",
    "support_hours": "9 AM - 5 PM"
  },
  "begin_tag_display_position": {
    "x": 100,
    "y": 200
  },
  "notes": [
    {
      "id": "note_abc123",
      "content": "Remember to handle edge cases here.",
      "display_position": {
        "x": 300,
        "y": 150
      },
      "size": {
        "width": 200,
        "height": 100
      }
    }
  ],
  "mcps": [
    {
      "name": "<string>",
      "url": "<string>",
      "headers": {
        "Authorization": "Bearer 1234567890"
      },
      "query_params": {
        "index": "1",
        "key": "value"
      },
      "timeout_ms": 123
    }
  ],
  "is_transfer_cf": false,
  "nodes": [
    {
      "id": "start",
      "type": "conversation",
      "instruction": {
        "type": "prompt",
        "text": "Greet the customer and ask how you can help them."
      },
      "edges": [
        {
          "id": "edge_1",
          "transition_condition": {
            "type": "prompt",
            "prompt": "Customer wants to book appointment"
          },
          "destination_node_id": "book_appointment"
        }
      ]
    }
  ]
}

{
  "status": "error",
  "message": "Invalid request format, please check API reference."
}

{
  "status": "error",
  "message": "API key is missing or invalid."
}

{
  "status": "error",
  "message": "Cannot find requested asset under given api key."
}

{
  "status": "error",
  "message": "Account rate limited, please throttle your requests."
}

{
  "status": "error",
  "message": "An unexpected server error occurred."
}