import Retell from 'retell-sdk';

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

const llms = await client.llm.list();

console.log(llms.has_more);

import os
from retell import Retell

client = Retell(
    api_key=os.environ.get("RETELL_API_KEY"),  # This is the default and can be omitted
)
llms = client.llm.list()
print(llms.has_more)

curl --request GET \
  --url https://api.retellai.com/v2/list-retell-llms \
  --header 'Authorization: Bearer <token>'

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.retellai.com/v2/list-retell-llms",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.retellai.com/v2/list-retell-llms"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.retellai.com/v2/list-retell-llms")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.retellai.com/v2/list-retell-llms")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "pagination_key": "<string>",
  "has_more": true,
  "items": [
    {
      "llm_id": "oBeDLoLOeuAbiuaMFXRtDOLriTJ5tSxD",
      "last_modification_timestamp": 1703413636133,
      "version": 0,
      "is_published": false,
      "model": "gpt-4.1",
      "s2s_model": "gpt-realtime-1.5",
      "model_temperature": 0,
      "model_high_priority": true,
      "tool_call_strict_mode": true,
      "knowledge_base_ids": [
        "<string>"
      ],
      "kb_config": {
        "top_k": 3,
        "filter_score": 0.6
      },
      "begin_after_user_silence_ms": 2000,
      "begin_message": "Hey I am a virtual assistant calling from Retell Hospital.",
      "general_prompt": "You are ...",
      "general_tools": [
        {
          "type": "end_call",
          "name": "end_call",
          "description": "End the call with user."
        }
      ],
      "states": [
        {
          "name": "information_collection",
          "state_prompt": "You will follow the steps below to collect information...",
          "edges": [
            {
              "destination_state_name": "appointment_booking",
              "description": "Transition to book an appointment."
            }
          ],
          "tools": [
            {
              "type": "transfer_call",
              "name": "transfer_to_support",
              "description": "Transfer to the support team.",
              "transfer_destination": {
                "type": "predefined",
                "number": "16175551212",
                "ignore_e164_validation": false
              },
              "transfer_option": {
                "type": "cold_transfer",
                "show_transferee_as_caller": false
              }
            }
          ]
        },
        {
          "name": "appointment_booking",
          "state_prompt": "You will follow the steps below to book an appointment...",
          "tools": [
            {
              "type": "book_appointment_cal",
              "name": "book_appointment",
              "description": "Book an annual check up.",
              "cal_api_key": "cal_live_xxxxxxxxxxxx",
              "event_type_id": 60444,
              "timezone": "America/Los_Angeles"
            }
          ]
        }
      ],
      "starting_state": "information_collection",
      "default_dynamic_variables": {
        "customer_name": "John Doe"
      },
      "mcps": [
        {
          "name": "<string>",
          "url": "<string>",
          "headers": {
            "Authorization": "Bearer 1234567890"
          },
          "query_params": {
            "index": "1",
            "key": "value"
          },
          "timeout_ms": 123
        }
      ]
    }
  ]
}

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

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

{
  "status": "error",
  "message": "Forbidden"
}

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

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