Powerful SMS API Integration

Reliable SMS API Services in Serbia

With SMS.to’s API, sending SMS to Serbia has never been easier. Our user-friendly setup, coupled with low-cost pricing, allows you to communicate with your customers promptly, both domestically and internationally.

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SMS API Gateway Features In Serbia

One Time Passwords

Fortify your app’s security by integrating One Time Passwords (OTPs), a valuable addition for banking, financial, healthcare, and high-security websites

Notification SMS

Deliver immediate SMS alerts for order confirmations, transactions, reminders, and user activity

Appointment Reminders

Ensure your customers never miss their appointments by sending reminders, seamlessly integrated with your CRM or calendar system

SMS Marketing & Newsletters

Send bulk SMS with ease to a diverse global audience, connecting with recipients worldwide in an instant

Surveys & Feedback Requests

 Quickly engage with your customers through our two-way SMS connectivity, enabling fast and interactive communication.

Why SMS.to API

Experience effortless communication solutions by leveraging our SMS Notification API to elevate your sms marketing

Seamless SMS Integration With Our SMS API in Serbia

In Serbia, the trend for Bulk SMS is growing rapidly, with over 8.6 million mobile subscribers recorded in 2018. With a total population exceeding 7 million, the mobile penetration rate stands at a staggering 121.9%. As mobile subscriptions continue to increase, the A2P traffic opportunities for businesses in the country continue to expand. You could be missing out on a substantial opportunity by not partnering with a professional Bulk SMS service provider like SMS.to for your business needs. Don’t let your local or international SMS campaigns fall short in Serbia.

Effortless Integration in Serbia
Enhanced Connectivity in Serbia
Seamless API in Serbia
Instant Messaging in Serbia
Programmatic Control in Serbia
Streamlined Communication in Serbia

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SMS API For Developers

Build robust applications and integrate with CRMs, software, and other apps that require reliable connectivity using SMS.to’s scalable SMS API. Our API SMS API provides you with the ability to send SMS to all networks across Serbia.

				
					curl --location 'https://api.sms.to/sms/send' \
--header 'Authorization: Bearer <api_key>' \
--header 'Content-Type: application/json' \
--data '{
    "message": "This is test and \n this is a new line",
    "to": "+35799999999999",
    "bypass_optout": true,
    "sender_id": "SMSto",
    "callback_url": "https://example.com/callback/handler"
}'

				
					<?php

$curl = curl_init();

curl_setopt_array($curl, array(
  CURLOPT_URL => 'https://api.sms.to/sms/send',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => '',
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 0,
  CURLOPT_FOLLOWLOCATION => true,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => 'POST',
  CURLOPT_POSTFIELDS =>'{
    "message": "This is test and \\n this is a new line",
    "to": "+35799999999999",
    "bypass_optout": true,
    "sender_id": "SMSto",
    "callback_url": "https://example.com/callback/handler"
}',
  CURLOPT_HTTPHEADER => array(
    'Authorization: Bearer <api_key>',
    'Content-Type: application/json'
  ),
));

$response = curl_exec($curl);

curl_close($curl);
echo $response;

				
					var https = require('follow-redirects').https;
var fs = require('fs');

var options = {
  'method': 'POST',
  'hostname': 'api.sms.to',
  'path': '/sms/send',
  'headers': {
    'Authorization': 'Bearer <api_key>',
    'Content-Type': 'application/json'
  },
  'maxRedirects': 20
};

var req = https.request(options, function (res) {
  var chunks = [];

  res.on("data", function (chunk) {
    chunks.push(chunk);
  });

  res.on("end", function (chunk) {
    var body = Buffer.concat(chunks);
    console.log(body.toString());
  });

  res.on("error", function (error) {
    console.error(error);
  });
});

var postData = JSON.stringify({
  "message": "This is test and \n this is a new line",
  "to": "+35799999999999",
  "bypass_optout": true,
  "sender_id": "SMSto",
  "callback_url": "https://example.com/callback/handler"
});

req.write(postData);

req.end();

				
					require "uri"
require "json"
require "net/http"

url = URI("https://api.sms.to/sms/send")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = "Bearer <api_key>"
request["Content-Type"] = "application/json"
request.body = JSON.dump({
  "message": "This is test and \n this is a new line",
  "to": "+35799999999999",
  "bypass_optout": true,
  "sender_id": "SMSto",
  "callback_url": "https://example.com/callback/handler"
})

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

				
					import http.client
import json

conn = http.client.HTTPSConnection("api.sms.to")
payload = json.dumps({
  "message": "This is test and \n this is a new line",
  "to": "+35799999999999",
  "bypass_optout": True,
  "sender_id": "SMSto",
  "callback_url": "https://example.com/callback/handler"
})
headers = {
  'Authorization': 'Bearer <api_key>',
  'Content-Type': 'application/json'
}
conn.request("POST", "/sms/send", payload, headers)
res = conn.getresponse()
data = res.read()
print(data.decode("utf-8"))

				
					OkHttpClient client = new OkHttpClient().newBuilder()
  .build();
MediaType mediaType = MediaType.parse("application/json");
RequestBody body = RequestBody.create(mediaType, "{\r\n    \"message\": \"This is test and \\n this is a new line\",\r\n    \"to\": \"+35799999999999\",\r\n    \"bypass_optout\": true,\r\n    \"sender_id\": \"SMSto\",\r\n    \"callback_url\": \"https://example.com/callback/handler\"\r\n}");
Request request = new Request.Builder()
  .url("https://api.sms.to/sms/send")
  .method("POST", body)
  .addHeader("Authorization", "Bearer <api_key>")
  .addHeader("Content-Type", "application/json")
  .build();
Response response = client.newCall(request).execute();

				
					package main

import (
  "fmt"
  "strings"
  "net/http"
  "io/ioutil"
)

func main() {

  url := "https://api.sms.to/sms/send"
  method := "POST"

  payload := strings.NewReader(`{`+"
"+`
    "message": "This is test and \n this is a new line",`+"
"+`
    "to": "+35799999999999",`+"
"+`
    "bypass_optout": true,`+"
"+`
    "sender_id": "SMSto",`+"
"+`
    "callback_url": "https://example.com/callback/handler"`+"
"+`
}`)

  client := &http.Client {
  }
  req, err := http.NewRequest(method, url, payload)

  if err != nil {
    fmt.Println(err)
    return
  }
  req.Header.Add("Authorization", "Bearer <api_key>")
  req.Header.Add("Content-Type", "application/json")

  res, err := client.Do(req)
  if err != nil {
    fmt.Println(err)
    return
  }
  defer res.Body.Close()

  body, err := ioutil.ReadAll(res.Body)
  if err != nil {
    fmt.Println(err)
    return
  }
  fmt.Println(string(body))
}

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