curl --request POST \
  --url https://app.wachat.net/api/v1/send/button \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "instanceName": "my-instance-01",
  "number": "628123456789",
  "type": "interactive",
  "interactive": {
    "type": "button",
    "title": "Confirm Attendance",
    "body": "Will you be attending the event tomorrow morning?",
    "footer": "Wachat",
    "buttons": [
      {
        "buttonId": "btn_yes",
        "buttonText": {
          "displayText": "Yes, I m Coming"
        },
        "type": 1
      },
      {
        "buttonId": "btn_no",
        "buttonText": {
          "displayText": "Sorry, Unable to attend"
        },
        "type": 2
      }
    ]
  },
  "delay": 1000
}
'

import requests

url = "https://app.wachat.net/api/v1/send/button"

payload = {
    "instanceName": "my-instance-01",
    "number": "628123456789",
    "type": "interactive",
    "interactive": {
        "type": "button",
        "title": "Confirm Attendance",
        "body": "Will you be attending the event tomorrow morning?",
        "footer": "Wachat",
        "buttons": [
            {
                "buttonId": "btn_yes",
                "buttonText": { "displayText": "Yes, I m Coming" },
                "type": 1
            },
            {
                "buttonId": "btn_no",
                "buttonText": { "displayText": "Sorry, Unable to attend" },
                "type": 2
            }
        ]
    },
    "delay": 1000
}
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({
    instanceName: 'my-instance-01',
    number: '628123456789',
    type: 'interactive',
    interactive: {
      type: 'button',
      title: 'Confirm Attendance',
      body: JSON.stringify('Will you be attending the event tomorrow morning?'),
      footer: 'Wachat',
      buttons: [
        {buttonId: 'btn_yes', buttonText: {displayText: 'Yes, I m Coming'}, type: 1},
        {
          buttonId: 'btn_no',
          buttonText: {displayText: 'Sorry, Unable to attend'},
          type: 2
        }
      ]
    },
    delay: 1000
  })
};

fetch('https://app.wachat.net/api/v1/send/button', 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://app.wachat.net/api/v1/send/button",
  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([
    'instanceName' => 'my-instance-01',
    'number' => '628123456789',
    'type' => 'interactive',
    'interactive' => [
        'type' => 'button',
        'title' => 'Confirm Attendance',
        'body' => 'Will you be attending the event tomorrow morning?',
        'footer' => 'Wachat',
        'buttons' => [
                [
                                'buttonId' => 'btn_yes',
                                'buttonText' => [
                                                                'displayText' => 'Yes, I m Coming'
                                ],
                                'type' => 1
                ],
                [
                                'buttonId' => 'btn_no',
                                'buttonText' => [
                                                                'displayText' => 'Sorry, Unable to attend'
                                ],
                                'type' => 2
                ]
        ]
    ],
    'delay' => 1000
  ]),
  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://app.wachat.net/api/v1/send/button"

	payload := strings.NewReader("{\n  \"instanceName\": \"my-instance-01\",\n  \"number\": \"628123456789\",\n  \"type\": \"interactive\",\n  \"interactive\": {\n    \"type\": \"button\",\n    \"title\": \"Confirm Attendance\",\n    \"body\": \"Will you be attending the event tomorrow morning?\",\n    \"footer\": \"Wachat\",\n    \"buttons\": [\n      {\n        \"buttonId\": \"btn_yes\",\n        \"buttonText\": {\n          \"displayText\": \"Yes, I m Coming\"\n        },\n        \"type\": 1\n      },\n      {\n        \"buttonId\": \"btn_no\",\n        \"buttonText\": {\n          \"displayText\": \"Sorry, Unable to attend\"\n        },\n        \"type\": 2\n      }\n    ]\n  },\n  \"delay\": 1000\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://app.wachat.net/api/v1/send/button")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"instanceName\": \"my-instance-01\",\n  \"number\": \"628123456789\",\n  \"type\": \"interactive\",\n  \"interactive\": {\n    \"type\": \"button\",\n    \"title\": \"Confirm Attendance\",\n    \"body\": \"Will you be attending the event tomorrow morning?\",\n    \"footer\": \"Wachat\",\n    \"buttons\": [\n      {\n        \"buttonId\": \"btn_yes\",\n        \"buttonText\": {\n          \"displayText\": \"Yes, I m Coming\"\n        },\n        \"type\": 1\n      },\n      {\n        \"buttonId\": \"btn_no\",\n        \"buttonText\": {\n          \"displayText\": \"Sorry, Unable to attend\"\n        },\n        \"type\": 2\n      }\n    ]\n  },\n  \"delay\": 1000\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.wachat.net/api/v1/send/button")

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  \"instanceName\": \"my-instance-01\",\n  \"number\": \"628123456789\",\n  \"type\": \"interactive\",\n  \"interactive\": {\n    \"type\": \"button\",\n    \"title\": \"Confirm Attendance\",\n    \"body\": \"Will you be attending the event tomorrow morning?\",\n    \"footer\": \"Wachat\",\n    \"buttons\": [\n      {\n        \"buttonId\": \"btn_yes\",\n        \"buttonText\": {\n          \"displayText\": \"Yes, I m Coming\"\n        },\n        \"type\": 1\n      },\n      {\n        \"buttonId\": \"btn_no\",\n        \"buttonText\": {\n          \"displayText\": \"Sorry, Unable to attend\"\n        },\n        \"type\": 2\n      }\n    ]\n  },\n  \"delay\": 1000\n}"

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