curl --request POST \
  --url https://business.adflex.vn/api/v1/messages/send \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "template_id": "123456",
  "phone": "84912345678",
  "template_data": {
    "otp": "246813",
    "time": "5 phut"
  },
  "tracking_id": "otp-login-8842",
  "send_at": "2026-09-01T09:00:00+07:00"
}
'

import requests

url = "https://business.adflex.vn/api/v1/messages/send"

payload = {
    "template_id": "123456",
    "phone": "84912345678",
    "template_data": {
        "otp": "246813",
        "time": "5 phut"
    },
    "tracking_id": "otp-login-8842",
    "send_at": "2026-09-01T09:00:00+07:00"
}
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({
    template_id: '123456',
    phone: '84912345678',
    template_data: {otp: '246813', time: '5 phut'},
    tracking_id: 'otp-login-8842',
    send_at: '2026-09-01T09:00:00+07:00'
  })
};

fetch('https://business.adflex.vn/api/v1/messages/send', 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://business.adflex.vn/api/v1/messages/send",
  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([
    'template_id' => '123456',
    'phone' => '84912345678',
    'template_data' => [
        'otp' => '246813',
        'time' => '5 phut'
    ],
    'tracking_id' => 'otp-login-8842',
    'send_at' => '2026-09-01T09:00:00+07:00'
  ]),
  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://business.adflex.vn/api/v1/messages/send"

	payload := strings.NewReader("{\n  \"template_id\": \"123456\",\n  \"phone\": \"84912345678\",\n  \"template_data\": {\n    \"otp\": \"246813\",\n    \"time\": \"5 phut\"\n  },\n  \"tracking_id\": \"otp-login-8842\",\n  \"send_at\": \"2026-09-01T09:00:00+07:00\"\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://business.adflex.vn/api/v1/messages/send")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"template_id\": \"123456\",\n  \"phone\": \"84912345678\",\n  \"template_data\": {\n    \"otp\": \"246813\",\n    \"time\": \"5 phut\"\n  },\n  \"tracking_id\": \"otp-login-8842\",\n  \"send_at\": \"2026-09-01T09:00:00+07:00\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://business.adflex.vn/api/v1/messages/send")

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  \"template_id\": \"123456\",\n  \"phone\": \"84912345678\",\n  \"template_data\": {\n    \"otp\": \"246813\",\n    \"time\": \"5 phut\"\n  },\n  \"tracking_id\": \"otp-login-8842\",\n  \"send_at\": \"2026-09-01T09:00:00+07:00\"\n}"

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

{
  "msg_id": "m_a1b2c3d4e5f6g7h8",
  "tracking_id": "otp-login-8842",
  "status": "queued",
  "scheduled_at": "2023-11-07T05:31:56Z"
}

{
  "error": {
    "code": 401,
    "message": "API key không hợp lệ hoặc đã bị thu hồi"
  }
}

{
  "error": {
    "code": 401,
    "message": "API key không hợp lệ hoặc đã bị thu hồi"
  }
}

{
  "error": {
    "code": 401,
    "message": "API key không hợp lệ hoặc đã bị thu hồi"
  }
}

{
  "error": {
    "code": 401,
    "message": "API key không hợp lệ hoặc đã bị thu hồi"
  }
}