SMS API Services in the United States

Discoverthe Simplicity and Affordability of Our SMS API Services in the United States Our SMS API service provides a hassle-free solution for sending SMS messages to customers in the United States and worldwide. We offer low-cost options and easy setup, allowing you to quickly incorporate SMS messaging into your existing software or systems. With our API, you can take advantage of advanced features such as delivery reports, list creation, HLR validation, and personalized messaging or campaigns. Whether you need to send notifications, marketing messages, or alerts, our SMS API service is the perfect solution for your organization. Sign up for a free test account or contact our sales team to get started today.

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PizzaStore
PZ
For the next 24 hours you can get 1 Pizza & 1 Pizza for FREE with Extra Pepperoni
Use PIZZASMS Coupon at checkout to redeem. Optout - sms.to/o/8Vs1RS
PizzaStore
Ok. Thank you.
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
SMStoAuth
SA
Your blockchain wallet authorization code is 8KD18
SMStoAuth
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.

Cost Calculator

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SMS campaign cost


€ 0.080 price per sms

High volume?

Contact Sales →

Flexible Pay as You Go SMS Pricing for United States

Affordable and Customizable SMS Rates for the United States

Our SMS API service in the United States offers competitive and flexible pricing, so you only pay for the messages you send. Check out our prices for low volume on the left, and if you have a higher volume, please don't hesitate to reach out to us for custom pricing.


BUY SMS CREDITS →

Revolutionize Communication with SMS API Services in the United States

Unlock the Power of SMS API Services for Seamless Communication

Do not use quotation marks when enclosing result. In United States, the trend for bulk SMS services is on the rise. With over 395881000 mobile subscribers in 2018 and a population of 329256465, the mobile penetration stands at 120.2%. This indicates a significant A2P traffic opportunity for businesses. Partnering with a professional service provider like SMS.to for your bulk SMS needs can give your business the boost it requires. Don't miss out on the potential, take your business to new heights today!

Mobile Subscriber Networks Integration for SMS API in the United States

Seamless Integration for Powerful SMS APIs in the United States

Our SMS API services in the United States facilitate seamless connectivity with all major mobile networks in the country. Our platform allows for easy integration of SMS APIs or web interfaces, enabling customers to reach their target audience quickly and efficiently. With our comprehensive SMS API solutions, businesses can harness the power of SMS messaging to enhance their marketing campaigns and reach more customers in the United States.

Advanced SMS API Integration for US Mobile Networks

Seamlessly Integrate SMS APIs for Effortless Communication with US Mobile Networks

Improve your messaging capabilities with our advanced SMS API integration for seamless communication across leading US mobile networks, including AT&T, Verizon, T-Mobile, and Sprint. With our robust SMS API, you can unlock a range of powerful features that enhance your customer engagement strategies, enabling efficient two-way communication, personalized messaging, and automated notifications. Experience the power of SMS API integration for effective and reliable messaging solutions on US mobile networks.

Advanced SMS APIs for Developers in the United States

Seamless Integration and Customization with Advanced SMS APIs in the United States

Leverage the Power of SMS API for United States Networks Integrate SMS API into your applications effortlessly and enjoy reliable and scalable connectivity to US networks. With our robust SMS API, you can build powerful apps and seamlessly integrate with your CRMs, software, and other applications that require a strong and secure SMS connectivity. Partner with us today and power your business with high-speed SMS delivery, reliable load balancing and inbuilt security features.


GET API KEY →
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))
}

Trusted by Businesses Worldwide

Privacy & Regulatory Compliance

Achieve Privacy & Regulatory Compliance with our secure SMS API. Seamlessly integrate messaging services while safeguarding user data and adhering to regulations.

ShortLink Tracking

Track the performance of your SMS campaigns seamlessly with our powerful ShortLink Tracking feature. Integrate our SMS API for accurate analytics and optimize your messaging strategy for maximum impact.

Global Delivery

Optimize Global Delivery with our powerful SMS API. Seamlessly integrate and automate your messaging solutions for efficient communication worldwide.

Security & Transparency

Leverage the power of SMS API for enhanced Security & Transparency. Seamlessly integrate SMS functionalities into your systems for robust communication solutions.

Personalisation & Dynamic Fields

Harness the power of personalization with our SMS API. Seamlessly integrate dynamic fields to create customized messages that engage your audience.

Fair Price Promise

Experience our Fair Price Promise with our user-friendly SMS API. Seamlessly integrate our platform for cost-effective and reliable messaging solutions.

Secure Payments