Send SMS in PHP Application with Newsletters.lk SMS API Sri Lanka

SendSMS.php

<?php
    $client = new \GuzzleHttp\Client();
    $url = "https://app.newsletters.lk/smsAPI?sendsms";

    $body['apikey'] = "YOUR_API_KEY";
    $body['apitoken'] = "YOUR_API_TOKEN";
    $body['type'] = "sms";
    $body['from'] = "My Sender ID";
    $body['to'] = "94711234567";  // Receiver Mobile No with Country Code
    $body['text'] = "Your SMS";
    $body['route'] = 0;

    $apiRequest = $client->post($url,  ['form_params' => $body]);
    $response = $apiRequest->getStatusCode();

    if ($response == 200){
      echo "Success";
    }else{
      echo "Error"
    }
?>

Sri Lankan SMS Gateway : https://newsletters.lk/
Guzzle QuickStart : http://docs.guzzlephp.org/en/stable/quickstart.html

For information about api please contact support@newsletters.lk and for above code @PasanBhanu