curl --request POST \
  --url https://{tenant_domain}/third-party/v1/whatsapp/campaigns/{id}/start \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://{tenant_domain}/third-party/v1/whatsapp/campaigns/{id}/start"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

fetch('https://{tenant_domain}/third-party/v1/whatsapp/campaigns/{id}/start', 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://{tenant_domain}/third-party/v1/whatsapp/campaigns/{id}/start",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  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://{tenant_domain}/third-party/v1/whatsapp/campaigns/{id}/start"

	req, _ := http.NewRequest("POST", 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.post("https://{tenant_domain}/third-party/v1/whatsapp/campaigns/{id}/start")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{tenant_domain}/third-party/v1/whatsapp/campaigns/{id}/start")

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

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

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

{
  "data": {
    "id": 123,
    "name": "<string>",
    "agent_id": "<string>",
    "wa_template_id": "<string>",
    "components": [
      {}
    ],
    "start_at": "2023-01-01T12:00:00Z",
    "send_from": "00:00:00",
    "send_until": "23:59:59",
    "assign_bot_id": 123,
    "assign_user_id": 123,
    "assign_folder_id": 123,
    "assign_tag_id": 123,
    "assign_group_id": 123,
    "resume_at": "2023-01-01T12:00:00Z",
    "finished_at": "2023-01-01T12:00:00Z",
    "created_at": "2023-01-01T12:00:00Z",
    "updated_at": "2023-01-01T12:00:00Z",
    "recipients_count": 123,
    "latest_statistics": {
      "id": 123,
      "campaign_id": 123,
      "datetime": "2023-01-01T12:00:00Z",
      "recipients_count": 123,
      "to_send_count": 123,
      "to_send_percent": 123,
      "sent_count": 123,
      "sent_percent": 123,
      "delivered_count": 123,
      "delivered_percent": 123,
      "read_count": 123,
      "read_percent": 123,
      "error_count": 123,
      "error_percent": 123
    }
  }
}