curl --request PUT \
  --url https://api.daily.co/v1/domain-dialin-config/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "phone_number": "+12555599999",
  "name_prefix": "my-identifier-prefix",
  "hmac": "9jyatvPWQfBymCGDOYPYKF/TRZXR+08Gj4bvPF78pH0=",
  "room_creation_api": "https://mydomain.com/api/create-room",
  "hold_music_url": "https://mydomain.com/hold-music.mp3",
  "timeout_config": {
    "message": "No Agents are available right now, please try again later"
  },
  "ivr_greeting": {
    "message": "Please enter the dialin code for the meeting, it is in the meeting invite"
  }
}
'

import requests

url = "https://api.daily.co/v1/domain-dialin-config/{id}"

payload = {
    "phone_number": "+12555599999",
    "name_prefix": "my-identifier-prefix",
    "hmac": "9jyatvPWQfBymCGDOYPYKF/TRZXR+08Gj4bvPF78pH0=",
    "room_creation_api": "https://mydomain.com/api/create-room",
    "hold_music_url": "https://mydomain.com/hold-music.mp3",
    "timeout_config": { "message": "No Agents are available right now, please try again later" },
    "ivr_greeting": { "message": "Please enter the dialin code for the meeting, it is in the meeting invite" }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    phone_number: '+12555599999',
    name_prefix: 'my-identifier-prefix',
    hmac: '9jyatvPWQfBymCGDOYPYKF/TRZXR+08Gj4bvPF78pH0=',
    room_creation_api: 'https://mydomain.com/api/create-room',
    hold_music_url: 'https://mydomain.com/hold-music.mp3',
    timeout_config: {message: 'No Agents are available right now, please try again later'},
    ivr_greeting: {
      message: 'Please enter the dialin code for the meeting, it is in the meeting invite'
    }
  })
};

fetch('https://api.daily.co/v1/domain-dialin-config/{id}', 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.daily.co/v1/domain-dialin-config/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'phone_number' => '+12555599999',
    'name_prefix' => 'my-identifier-prefix',
    'hmac' => '9jyatvPWQfBymCGDOYPYKF/TRZXR+08Gj4bvPF78pH0=',
    'room_creation_api' => 'https://mydomain.com/api/create-room',
    'hold_music_url' => 'https://mydomain.com/hold-music.mp3',
    'timeout_config' => [
        'message' => 'No Agents are available right now, please try again later'
    ],
    'ivr_greeting' => [
        'message' => 'Please enter the dialin code for the meeting, it is in the meeting invite'
    ]
  ]),
  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.daily.co/v1/domain-dialin-config/{id}"

	payload := strings.NewReader("{\n  \"phone_number\": \"+12555599999\",\n  \"name_prefix\": \"my-identifier-prefix\",\n  \"hmac\": \"9jyatvPWQfBymCGDOYPYKF/TRZXR+08Gj4bvPF78pH0=\",\n  \"room_creation_api\": \"https://mydomain.com/api/create-room\",\n  \"hold_music_url\": \"https://mydomain.com/hold-music.mp3\",\n  \"timeout_config\": {\n    \"message\": \"No Agents are available right now, please try again later\"\n  },\n  \"ivr_greeting\": {\n    \"message\": \"Please enter the dialin code for the meeting, it is in the meeting invite\"\n  }\n}")

	req, _ := http.NewRequest("PUT", 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.put("https://api.daily.co/v1/domain-dialin-config/{id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"phone_number\": \"+12555599999\",\n  \"name_prefix\": \"my-identifier-prefix\",\n  \"hmac\": \"9jyatvPWQfBymCGDOYPYKF/TRZXR+08Gj4bvPF78pH0=\",\n  \"room_creation_api\": \"https://mydomain.com/api/create-room\",\n  \"hold_music_url\": \"https://mydomain.com/hold-music.mp3\",\n  \"timeout_config\": {\n    \"message\": \"No Agents are available right now, please try again later\"\n  },\n  \"ivr_greeting\": {\n    \"message\": \"Please enter the dialin code for the meeting, it is in the meeting invite\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.daily.co/v1/domain-dialin-config/{id}")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"phone_number\": \"+12555599999\",\n  \"name_prefix\": \"my-identifier-prefix\",\n  \"hmac\": \"9jyatvPWQfBymCGDOYPYKF/TRZXR+08Gj4bvPF78pH0=\",\n  \"room_creation_api\": \"https://mydomain.com/api/create-room\",\n  \"hold_music_url\": \"https://mydomain.com/hold-music.mp3\",\n  \"timeout_config\": {\n    \"message\": \"No Agents are available right now, please try again later\"\n  },\n  \"ivr_greeting\": {\n    \"message\": \"Please enter the dialin code for the meeting, it is in the meeting invite\"\n  }\n}"

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

{
  "id": "0cb313e1-211f-4be0-833d-8c7305b19902",
  "type": "pinless_dialin",
  "config": {
    "phone_number": "+12555599999",
    "name_prefix": "my-identifier-prefix",
    "hmac": "9jyatvPWQfBymCGDOYPYKF/TRZXR+08Gj4bvPF78pH0=",
    "room_creation_api": "https://mydomain.com/api/create-room",
    "hold_music_url": "https://mydomain.com/hold-music.mp3",
    "timeout_config": {
      "message": "No Agents are available right now, please try again later"
    },
    "ivr_greeting": {
      "message": "Please enter the dialin code for the meeting, it is in the meeting invite"
    }
  }
}

{
  "error": "invalid-request-error",
  "info": "missing required field"
}