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SMS.to offers a powerful web platform and API, providing a smarter way for businesses to communicate with customers on multiple channels. Integrate SMS.to rich messaging in your workflow with our Omnichannel Messaging & SMS Gateway.

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Engage your audience by sending them meaningful customized notifications and reminders. Our Powerful Message Editor offers up to 5 dynamic fields that can be customized to your preference.

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SMS API Gateway
Features

Bulk SMS &  SMS Marketing

Send an SMS broadcast to your contact list with merge, tracking and other powerful features.

Notification SMS

Send instant SMS notifications for order confirmations, transactions, reminders and activity

Appointment Reminders

Remind your customers of their appointments to reduce no-shows. Integrate with your CRM or Calendar

SMS Marketing & Newsletters

Effortlessly send bulk SMS to a global audience, reaching a multitude of recipients worldwide in no time

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Quickly connect with your customers using our 2-way SMS connectivity for swift and interactive communication

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The Game

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Bulk SMS

Empower your business with the efficiency and reach of Bulk SMS. Send messages to thousands with a single click. Learn More

SMS Marketing

Unlock the potential of SMS Marketing. Craft personalized campaigns, reach your target audience, and see results. Learn More

SMS Gateway

Our SMS Gateway ensures seamless, reliable and secure message delivery for all your needs. Learn More

SMS API

Integrate our SMS API for powerful communication capabilities and instant message delivery. Learn More

SMPP API

Experience high-performance, reliable and efficient messaging with our SMPP API. Learn More

Viber Messaging API

Enhance your reach with Viber Messaging API. Connect with users and expand your messaging capabilities. Learn More

HLR & MNP API

Get real-time insights and validate mobile numbers to ensure the accuracy of your customer database. Learn More

SDKs

Simplify integration with our Software Development Kits to quickly implement telecom solutions into your services. Learn More

Status

Stay informed with real-time status updates. Monitor the performance and delivery of your messages with ease. Learn More

Tailored Global Messaging Solutions

We understand that in today’s interconnected world, the ability to communicate with a global audience is paramount. That’s why our tailor-made Global Messaging Solutions are designed to empower your business with the ability to effortlessly and effectively connect with customers, clients, and partners worldwide.

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SMS API For Developers

Implement SMS notifications, OTP, reminders etc. into your workflow and build apps that send SMS with our redundant SSL SMS API. *

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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Authentication

Rich communications with SMS, Viber, Whatsapp

A glimpse of the SMS.to platform

Trusted By Businesses Worldwide

Privacy & Regulatory Compliance

ShortLinkTracking

GlobalDelivery

Security & Transparency

Personalisation & Dynamic Fields

Fair PricePromise

SMS API Gateway Features

Bulk SMS & SMS Marketing

Notification SMS

Appointment Reminders

SMS Marketing & Newsletters

Surveys & Feedback Requests

Stay Ahead Of The Game

Tailored Global Messaging Solutions

SMS API For Developers

GET API KEY →

Seamless Integrations With Your Favorite Tools​

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Don’t Just Take It From Us

SMS Cost Calculator

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0.023

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