Bulk SMS Solutions for Businesses

Bulk SMS has never been easier or more effective. With SMS.to, you can send out mass notifications effortlessly and reliably. Whether it's for marketing campaigns, customer updates, or crucial alerts, our Bulk SMS service can accommodate. The SMS.to Bulk SMS service is:

Versatile: Designed to be programmable in your preferred language, you can integrate our services seamlessly into your existing systems.
Rapid: Enjoy the speed of instant delivery, ensuring your important messages reach your target audience in no time.
Scalable: Whether you're sending messages to hundreds or millions, our Bulk SMS service is flexible enough to handle your needs, regardless of the scale.
Global: We offer a truly global service, capable of reaching every country in the world in mere minutes. Sign up for free, receive your API key, and you can start leveraging the power of Bulk SMS in under 5 minutes.

GET STARTED Contact Sales

Free Trial - No Credit Card Required

SMS API Gateway Features

OTP SMS (One time Passwords) Secure your app with One Time Passwords for use in Banking, Financial, Healthcare, Enchanced Security Websites Notification SMS (OTT) Send instant SMS notifications for order confirmation, transactions, reminders, activity. Appointment Reminders Remind your customers of their appointments and reduce no shows. Integrate with your CRM or Calendar SMS Marketing & Newsletters Quickly send bulk SMS to a large number of recipient all over the world. Surveys & Feedback Requests Quickly engage with your customers through our 2-WAY SMS connectivity

SMStoAuth

SA

Your blockchain wallet authorization code is 8KD18

SMStoAuth

iFixers

IF

Your iMac is now repaired and shiny as new. John from iFixers!

iFixers

When can I pick it up?

IF

Pickup anytime between 09:00:17:00 Mon to Friday from our store

DoctorOffice

DO

This is a reminder for your Appointment with Dr.Smooch at 18:00:18:30 on Monday.

To reschedule call our office up to 24 hours before.

DoctorOffice

AverageStore

AS

Here is a coupon for trying out our service: Q2RKSL1

Use it on your next checkout to receive a 15% off your order

AverageStore

60123

61

From 1 to 10, how happy were you with the service received at MyAwesomeCoffeeShop?

60123

I really liked the service. My girlfriend got her coffee precisely as she wanted it. I am giving a 10.

61

Thank you! Looking forward to seeing you again at our lovely coffee shop.

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. *

GET API KEY →

Read Docs Get The SDKs Check System's Status

cURL
PHP
Node.JS
Ruby
Python
Java
Go

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))
}

A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
Y
Z

Bulk SMS Afghanistan

Bulk SMS Albania

Bulk SMS Algeria

Bulk SMS American Samoa

Bulk SMS Andorra

Bulk SMS Angola

Bulk SMS Anguilla

Bulk SMS Antarctica

Bulk SMS Antigua And Barbuda

Bulk SMS Argentina

Bulk SMS Armenia

Bulk SMS Australia

Bulk SMS Austria

Bulk SMS Azerbaijan

Bulk SMS Bahamas

Bulk SMS Bahrain

Bulk SMS Bangladesh

Bulk SMS Barbados

Bulk SMS Belarus

Bulk SMS Belgium

Bulk SMS Belize

Bulk SMS Bermuda

Bulk SMS Bhutan

Bulk SMS Bolivia

Bulk SMS Bosnia And Herzegowina

Bulk SMS Botswana

Bulk SMS Bouvet Island (Norway)

Bulk SMS Brazil

Bulk SMS British Indian Ocean Territory

Bulk SMS Brunei Darussalam

Bulk SMS Bulgaria

Bulk SMS Burkina Faso

Bulk SMS Burundi

Bulk SMS Cambodia

Bulk SMS Cameroon

Bulk SMS Canada

Bulk SMS Cape Verde

Bulk SMS Caribbean Netherlands

Bulk SMS Cayman Islands

Bulk SMS Central African Republic

Bulk SMS Christmas Island

Bulk SMS Cocos (Keeling) Islands (Austrailia)

Bulk SMS Colombia

Bulk SMS Comoros

Bulk SMS Congo, The Drc

Bulk SMS Cook Islands

Bulk SMS Costa Rica

Bulk SMS Cote D'Ivoire

Bulk SMS Croatia (Local Name: Hrvatska)

Bulk SMS Curacao

Bulk SMS Cyprus

Bulk SMS Czech Republic

Bulk SMS Denmark

Bulk SMS Djibouti

Bulk SMS Dominica

Bulk SMS Dominican Republic

Bulk SMS East Timor

Bulk SMS Ecuador

Bulk SMS El Salvador

Bulk SMS Equatorial Guinea

Bulk SMS Eritrea

Bulk SMS Estonia

Bulk SMS Ethiopia

Bulk SMS Falkland Islands (Malvinas)

Bulk SMS Faroe Islands

Bulk SMS Finland

Bulk SMS France

Bulk SMS French Guiana

Bulk SMS French Polynesia

Bulk SMS French Southern Territories

Bulk SMS Gambia

Bulk SMS Georgia

Bulk SMS Germany

Bulk SMS Gibraltar

Bulk SMS Greece

Bulk SMS Greenland

Bulk SMS Grenada

Bulk SMS Guadeloupe

Bulk SMS Guatemala

Bulk SMS Guinea

Bulk SMS Guinea-Bissau

Bulk SMS Guyana

Bulk SMS Heard And Mc Donald Islands

Bulk SMS Holy See (Vatican City State)

Bulk SMS Honduras

Bulk SMS Hong Kong

Bulk SMS Hungary

Bulk SMS Iceland

Bulk SMS Indonesia

Bulk SMS Iran (Islamic Republic Of)

Bulk SMS Ireland

Bulk SMS Israel

Bulk SMS Jamaica

Bulk SMS Jersey

Bulk SMS Jordan

Bulk SMS Kazakhstan

Bulk SMS Kiribati

Bulk SMS Korea, D.P.R.O.

Bulk SMS Korea, Republic Of

Bulk SMS Kosovo

Bulk SMS Kuwait

Bulk SMS Kyrgyzstan

Bulk SMS Latvia

Bulk SMS Lebanon

Bulk SMS Lesotho

Bulk SMS Liberia

Bulk SMS Libyan Arab Jamahiriya

Bulk SMS Liechtenstein

Bulk SMS Lithuania

Bulk SMS Luxembourg

Bulk SMS Madagascar

Bulk SMS Malawi

Bulk SMS Malaysia

Bulk SMS Maldives

Bulk SMS Marshall Islands

Bulk SMS Martinique

Bulk SMS Mauritania

Bulk SMS Mauritius

Bulk SMS Mayotte

Bulk SMS Mexico

Bulk SMS Micronesia, Federated States Of

Bulk SMS Moldova, Republic Of

Bulk SMS Monaco

Bulk SMS Mongolia

Bulk SMS Montenegro

Bulk SMS Montserrat

Bulk SMS Morocco

Bulk SMS Mozambique

Bulk SMS Myanmar (Burma)

Bulk SMS Namibia

Bulk SMS Netherlands

Bulk SMS Netherlands Antillen

Bulk SMS New Caledonia

Bulk SMS New Zealand

Bulk SMS Nicaragua

Bulk SMS Nigeria

Bulk SMS Norfolk Island

Bulk SMS North Macedonia

Bulk SMS Northern Mariana Islands

Bulk SMS Norway

Bulk SMS Pakistan

Bulk SMS Palestinian Territory

Bulk SMS Panama

Bulk SMS Papua New Guinea

Bulk SMS Paraguay

Bulk SMS Philippines

Bulk SMS Pitcairn

Bulk SMS Poland

Bulk SMS Portugal

Bulk SMS Puerto Rico

Bulk SMS Reunion

Bulk SMS Romania

Bulk SMS Russian Federation

Bulk SMS Rwanda

Bulk SMS Saint Kitts And Nevis

Bulk SMS Saint Lucia

Bulk SMS Saint Vincent And The Grenadines

Bulk SMS San Marino

Bulk SMS Sao Tome And Principe

Bulk SMS Saudi Arabia

Bulk SMS Senegal

Bulk SMS Serbia

Bulk SMS Seychelles

Bulk SMS Sierra Leone

Bulk SMS Singapore

Bulk SMS Sint Maarten

Bulk SMS Slovakia (Slovak Republic)

Bulk SMS Slovenia

Bulk SMS Solomon Islands

Bulk SMS Somalia

Bulk SMS South Africa

Bulk SMS South Georgia And South S.S.

Bulk SMS South Sudan

Bulk SMS Sri Lanka

Bulk SMS St. Helena

Bulk SMS St. Pierre And Miquelon

Bulk SMS Suriname

Bulk SMS Svalbard And Jan Mayen Islands

Bulk SMS Swaziland

Bulk SMS Sweden

Bulk SMS Switzerland

Bulk SMS Taiwan

Bulk SMS Tajikistan

Bulk SMS Tanzania, United Republic Of

Bulk SMS Thailand

Bulk SMS Tokelau

Bulk SMS Trinidad And Tobago

Bulk SMS Tunisia

Bulk SMS Turkey

Bulk SMS Turkmenistan

Bulk SMS Turks And Caicos Islands

Bulk SMS Tuvalu

Bulk SMS U.S. Minor Islands

Bulk SMS Uganda

Bulk SMS Ukraine

Bulk SMS United Arab Emirates

Bulk SMS United Kingdom

Bulk SMS United States

Bulk SMS Uruguay

Bulk SMS Uzbekistan

Bulk SMS Vanuatu

Bulk SMS Venezuela

Bulk SMS Vietnam

Bulk SMS Virgin Islands (British)

Bulk SMS Virgin Islands (U.S.)

Bulk SMS Wallis And Futuna Islands

Bulk SMS Western Sahara

Bulk SMS Zambia

Bulk SMS Zimbabwe

Secure Payments

Currency: