curl --request POST \
  --url https://api.utage-system.com/v1/accounts/{account_id}/scenarios/{scenario_id}/readers \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "opt_in_confirmed": true,
  "scenario_fields": {},
  "common_fields": {},
  "has_step_immediately": true,
  "has_step_scheduled": true,
  "has_reminder": true,
  "allow_duplicates": true
}
'

import requests

url = "https://api.utage-system.com/v1/accounts/{account_id}/scenarios/{scenario_id}/readers"

payload = {
    "opt_in_confirmed": True,
    "scenario_fields": {},
    "common_fields": {},
    "has_step_immediately": True,
    "has_step_scheduled": True,
    "has_reminder": True,
    "allow_duplicates": True
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    opt_in_confirmed: true,
    scenario_fields: {},
    common_fields: {},
    has_step_immediately: true,
    has_step_scheduled: true,
    has_reminder: true,
    allow_duplicates: true
  })
};

fetch('https://api.utage-system.com/v1/accounts/{account_id}/scenarios/{scenario_id}/readers', 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.utage-system.com/v1/accounts/{account_id}/scenarios/{scenario_id}/readers",
  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([
    'opt_in_confirmed' => true,
    'scenario_fields' => [
        
    ],
    'common_fields' => [
        
    ],
    'has_step_immediately' => true,
    'has_step_scheduled' => true,
    'has_reminder' => true,
    'allow_duplicates' => true
  ]),
  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.utage-system.com/v1/accounts/{account_id}/scenarios/{scenario_id}/readers"

	payload := strings.NewReader("{\n  \"opt_in_confirmed\": true,\n  \"scenario_fields\": {},\n  \"common_fields\": {},\n  \"has_step_immediately\": true,\n  \"has_step_scheduled\": true,\n  \"has_reminder\": true,\n  \"allow_duplicates\": true\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.utage-system.com/v1/accounts/{account_id}/scenarios/{scenario_id}/readers")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"opt_in_confirmed\": true,\n  \"scenario_fields\": {},\n  \"common_fields\": {},\n  \"has_step_immediately\": true,\n  \"has_step_scheduled\": true,\n  \"has_reminder\": true,\n  \"allow_duplicates\": true\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.utage-system.com/v1/accounts/{account_id}/scenarios/{scenario_id}/readers")

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  \"opt_in_confirmed\": true,\n  \"scenario_fields\": {},\n  \"common_fields\": {},\n  \"has_step_immediately\": true,\n  \"has_step_scheduled\": true,\n  \"has_reminder\": true,\n  \"allow_duplicates\": true\n}"

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

{
  "data": {
    "id": "<string>",
    "common_reader_id": "<string>",
    "scenario_id": "<string>",
    "ip": "<string>",
    "line_display_name": "<string>",
    "line_picture_url": "<string>",
    "line_friend_id": "<string>",
    "base_date": "<string>",
    "is_blocked": true,
    "is_line_blocked": true,
    "is_mail_error": true,
    "is_sms_blocked": true,
    "block_datetime": "<string>",
    "partner": {
      "project_name": "<string>",
      "name": "<string>",
      "reward": 123
    },
    "has_step_scheduled": true,
    "has_reminder": true,
    "message_tracking_id": "<string>",
    "message_tracking_name": "<string>",
    "funnel_tracking_id": "<string>",
    "funnel_tracking_name": "<string>",
    "referrer": "<string>",
    "labels": [
      {
        "id": "<string>",
        "name": "<string>",
        "assigned_at": "<string>"
      }
    ],
    "scenario_fields": {},
    "common_fields": {},
    "memo": "<string>",
    "created_at": "<string>"
  }
}

{
  "error": {
    "code": "unauthorized",
    "message": "認証に失敗しました"
  }
}

{
  "error": {
    "code": "not_found",
    "message": "リソースが見つかりません"
  }
}

{
  "error": {
    "code": "validation_error",
    "message": "バリデーションエラーが発生しました"
  }
}

{
  "error": {
    "code": "monthly_limit_exceeded",
    "message": "月間の作成上限に達しました",
    "details": {
      "resource_type": "reader",
      "retry_after": "2026-06-20 00:00:00"
    }
  }
}