SMS API with API Key

curl -G "https://www.smsgatewayhub.com/api/mt/SendSMS" \
  --data-urlencode "APIKey=YOUR_API_KEY" --data-urlencode "senderid=TESTIN" \
  --data-urlencode "channel=2" --data-urlencode "DCS=0" --data-urlencode "flashsms=0" \
  --data-urlencode "number=91989xxxxxxx" --data-urlencode "text=Your OTP is 123456" \
  --data-urlencode "route=1" --data-urlencode "EntityId=YOUR_ENTITY_ID" \
  --data-urlencode "dlttemplateid=YOUR_TEMPLATE_ID"

<?php
$q = http_build_query([
  'APIKey' => 'YOUR_API_KEY', 'senderid' => 'TESTIN', 'channel' => '2', 'DCS' => '0',
  'flashsms' => '0', 'number' => '91989xxxxxxx', 'text' => 'Your OTP is 123456',
  'route' => '1', 'EntityId' => 'YOUR_ENTITY_ID', 'dlttemplateid' => 'YOUR_TEMPLATE_ID'
]);
$res = file_get_contents('https://www.smsgatewayhub.com/api/mt/SendSMS?' . $q);
$data = json_decode($res, true);
echo $data['ErrorCode'] . ' ' . $data['ErrorMessage'];

import requests

r = requests.get("https://www.smsgatewayhub.com/api/mt/SendSMS", params={
    "APIKey": "YOUR_API_KEY", "senderid": "TESTIN", "channel": "2", "DCS": "0",
    "flashsms": "0", "number": "91989xxxxxxx", "text": "Your OTP is 123456",
    "route": "1", "EntityId": "YOUR_ENTITY_ID", "dlttemplateid": "YOUR_TEMPLATE_ID",
}, timeout=30)
print(r.json())

using System.Net.Http;

var http = new HttpClient();
string url = "https://www.smsgatewayhub.com/api/mt/SendSMS"
  + "?APIKey=YOUR_API_KEY&senderid=TESTIN&channel=2&DCS=0&flashsms=0"
  + "&number=91989xxxxxxx&text=" + Uri.EscapeDataString("Your OTP is 123456")
  + "&route=1&EntityId=YOUR_ENTITY_ID&dlttemplateid=YOUR_TEMPLATE_ID";
string json = await http.GetStringAsync(url);
Console.WriteLine(json);

import java.net.URI;
import java.net.URLEncoder;
import java.net.http.*;
import java.nio.charset.StandardCharsets;

String text = URLEncoder.encode("Your OTP is 123456", StandardCharsets.UTF_8);
String url = "https://www.smsgatewayhub.com/api/mt/SendSMS?APIKey=YOUR_API_KEY&senderid=TESTIN"
  + "&channel=2&DCS=0&flashsms=0&number=91989xxxxxxx&text=" + text
  + "&route=1&EntityId=YOUR_ENTITY_ID&dlttemplateid=YOUR_TEMPLATE_ID";
HttpResponse<String> res = HttpClient.newHttpClient().send(
  HttpRequest.newBuilder(URI.create(url)).build(), HttpResponse.BodyHandlers.ofString());
System.out.println(res.body());

const params = new URLSearchParams({
  APIKey: "YOUR_API_KEY", senderid: "TESTIN", channel: "2", DCS: "0", flashsms: "0",
  number: "91989xxxxxxx", text: "Your OTP is 123456", route: "1",
  EntityId: "YOUR_ENTITY_ID", dlttemplateid: "YOUR_TEMPLATE_ID",
});
const res = await fetch("https://www.smsgatewayhub.com/api/mt/SendSMS?" + params);
console.log(await res.json());