Complete SMS infrastructure for your business

Easily scale your campaigns and benefit from our trusted, secure SMS REST API solution for top-notch communication.

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SMS channel

SMS communication for pros with fast and easy integration

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Deliverability

Direct connections with global and local operators ensure quality and deliverability of up to 99.9%.

SMS scalability icon
Scalability

Operate at any scale using our next-generation throughput. Send up to 6 million messages an hour and reach your clients in 3.5 seconds.

SMS security icon
Security

Our latest anti-phishing protection measures and high-security standards put your mind at rest.

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24/7 Support

Take advantage of our premium SLA and care of a dedicated second level tech support specialist, consultations, and audits.

Powering communication for businesses around the world:
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SMS delivered by MessageFlow
Reliable SMS messaging

Reach the world with seamless SMS communication integration

Unlock the power of global SMS communication with a single API integration from MessageFlow. Enjoy worldwide coverage, automate your notifications and marketing campaigns, and reach audiences in any country.

  • Direct operator connections that guarantee 99% deliverability.
  • High throughput ensures no queuing for transactional SMS and real-time analytics.
  • Our high SLA ensures exceptional reliability and performance, providing you with a host of benefits and unmatched service quality.
Talk to an expert
Deploy your message

Lightning-fast integration with SMS API

Integrate and deliver seamlessly within minutes using our RESTful APIs , supported by libraries tailored to your programming language and interactive documentation.

Read docs
C#
C#
Go
Go
Java
Java
Node
Node
PHP
PHP
Python
Python
Ruby
Ruby
Shell
Shell
var client = new RestClient("https://api.messageflow.com/v2.1/sms");
var request = new RestRequest(Method.POST);
request.AddHeader("content-type", "application/json");
request.AddHeader("authorization", "REPLACE_KEY_VALUE");
request.AddParameter("application/json", "{\"sender\":\"string\",\"message\":\"Hello world!\",\"phoneNumbers\":[\"+48111222333\",\"+48111222444\"],\"validity\":0,\"scheduleTime\":0,\"type\":1,\"shortLink\":true,\"webhookUrl\":\"string\",\"externalId\":\"xxxx-xxxx-xxxx\"}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
package main
 
import (
   	"fmt"
   	"net/http"
   	"io/ioutil"
)
 
func main() {
 
   	url := "https://api.messageflow.com/v2.1/sms/{externalId}?offset=SOME_INTEGER_VALUE&limit=SOME_INTEGER_VALUE&sender=SOME_STRING_VALUE&phoneNumber=SOME_STRING_VALUE&status=SOME_INTEGER_VALUE&orderBy=SOME_STRING_VALUE&orderDirection=SOME_STRING_VALUE&dateTo=SOME_STRING_VALUE&dateFrom=SOME_STRING_VALUE"
 
   	req, _ := http.NewRequest("GET", url, nil)
 
   	req.Header.Add("authorization", "REPLACE_KEY_VALUE")
 
   	res, _ := http.DefaultClient.Do(req)
 
   	defer res.Body.Close()
   	body, _ := ioutil.ReadAll(res.Body)
 
   	fmt.Println(res)
   	fmt.Println(string(body))
 
}
HttpResponse<String> response = Unirest.post("https://api.messageflow.com/v2.1/sms") .header("content-type", "application/json")
.header("authorization", "REPLACE_KEY_VALUE")
.header("application-key", "REPLACE_KEY_VALUE")
.body("{\"sender\":\"string\",\"message\":\"Hello world!\",\"phoneNumbers\":[\"+48111222333\",\"+48111222444\"],\"validity\":0,\"schedul eTime\":0,\"type\":1,\"shortLink\":true,\"webhookUrl\":\"string\",\"externalId\":\"xxxx- xxxx-xxxx\"}")
.asString();
var request = require("request");
 
var options = {
  method: 'POST',
  url: 'https://api.messageflow.com/v2.1/sms',
  headers: {'content-type': 'application/json', authorization: 'REPLACE_KEY_VALUE'},
  body: {
	sender: 'string',
	message: 'Hello world!',
	phoneNumbers: ['+48111222333', '+48111222444'],
	validity: 0,
	scheduleTime: 0,
	type: 1,
	shortLink: true,
	webhookUrl: 'string',
	externalId: 'xxxx-xxxx-xxxx'
  },
  json: true
};
 
request(options, function (error, response, body) {
  if (error) throw new Error(error);
 
  console.log(body);
});
<?php
 
$curl = curl_init();
 
curl_setopt_array($curl, array(
  CURLOPT_URL => "https://api.messageflow.com/v2.1/sms",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "{\"sender\":\"string\",\"message\":\"Hello world!\",\"phoneNumbers\":[\"+48111222333\",\"+48111222444\"],\"validity\":0,\"scheduleTime\":0,\"type\":1,\"shortLink\":true,\"webhookUrl\":\"string\",\"externalId\":\"xxxx-xxxx-xxxx\"}",
  CURLOPT_HTTPHEADER => array(
	"authorization: REPLACE_KEY_VALUE",
	"content-type: application/json"
  ),
));
 
$response = curl_exec($curl);
$err = curl_error($curl);
 
curl_close($curl);
 
if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
import requests
 
url = "https://api.messageflow.com/v2.1/sms"
 
payload = "{\"sender\":\"string\",\"message\":\"Hello world!\",\"phoneNumbers\":[\"+48111222333\",\"+48111222444\"],\"validity\":0,\"scheduleTime\":0,\"type\":1,\"shortLink\":true,\"webhookUrl\":\"string\",\"externalId\":\"xxxx-xxxx-xxxx\"}"
headers = {
	'content-type': "application/json",
	'authorization': "REPLACE_KEY_VALUE"
	}
 
response = requests.request("POST", url, data=payload, headers=headers)
 
print(response.text)
require 'uri'
require 'net/http'
require 'openssl'
 
url = URI("https://api.messageflow.com/v2.1/sms")
 
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
 
request = Net::HTTP::Post.new(url)
request["content-type"] = 'application/json'
request["authorization"] = 'REPLACE_KEY_VALUE'
request.body = "{\"sender\":\"string\",\"message\":\"Hello world!\",\"phoneNumbers\":[\"+48111222333\",\"+48111222444\"],\"validity\":0,\"scheduleTime\":0,\"type\":1,\"shortLink\":true,\"webhookUrl\":\"string\",\"externalId\":\"xxxx-xxxx-xxxx\"}"
 
response = http.request(request)
puts response.read_body
echo '{"sender":"string","message":"Hello world!","phoneNumbers":["+48111222333","+48111222444"],"validity":0,"scheduleTime":0,"type":1,"shortLink":true,"webhookUrl":"string","externalId":"xxxx-xxxx-xxxx"}' |  \
  http POST https://api.messageflow.com/v2.1/sms \
  authorization:REPLACE_KEY_VALUE \
  content-type:application/jsonl":"string","externalId":"xxxx-xxxx-xxxx"}'
SMS delivery rate chart
Data-driven approach

Battle-tested solution for efficient SMS comms

Analyze the effectiveness of your SMS campaigns using personalized short links in your domain and integrate this data with other channels to achieve the highest conversion rates.

Talk to an expert
Trusted platform

Efficiency in theory and execution

11.7 BLN
Messages a month

Throughput that makes a difference.

200 BLN
Total API requests

Free of fallback infrastructure.

190+
Countries served

Go as global as you wish to.

6 MLN/h
Capacity

Send beyond any limits.

TESTIMONIALS

Don’t just take our words

If you really want to know why you should choose MessageFlow, don’t take it from us - hear straight from our customers.

We use the platform to send SMS and Mobile Push notifications both domestically and internationally with Support always on standby.

Vice President of the Board Vice President of the Board

ING Bank Śląski confirms that it cooperation in the scope of the contract for the provision of services in the area of SMS sending of a marketing and information nature. When choosing the platform provider, we were mainly guided by the security of communication and the stability of the infrastructure.

CPO Wholesale Banking European Countries CPO Wholesale Banking European Countries

Efficiently overseeing our SMS campaigns, our collaborator guarantees timely execution, precise delivery, and thorough reporting.

Loyalty Program Coordinator Loyalty Program Coordinator

The communication platform provides us with comprehensive SMS communication services at a very high level. Thanks to the individual approach to our needs, we were able to use ready-made solutions, as well as tailor-made solutions, which is a great help in the case of such a large organization as ours.

Director Of The Finance and Customer Service Department Director Of The Finance and Customer Service Department

The Email and SMS communication infrastructure delivers outstanding overall performance, perfectly meeting our extensive marketing campaign needs.

Marketing Coordinator Marketing Coordinator

We have been using this platform continuously since 2011 to handle SMS campaigns. The tool is characterized by high quality of operation, it is distinguished by the speed of sending shipments, high level of deliverability and access to the Polish GSM infrastructure.

Director of Loyalty Program Director of Loyalty Program

Our SMS provider has delivered uninterrupted, efficient service over 24 months, showing a flexible and customer-centered approach that aligns seamlessly with our operational needs.

Marketing Manager Marketing Manager
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Platform you can trust

Global experience
Local knowledge
Glocal approach

Message Flow makes cross-channel messaging simple, seamless, and more profitable for any company looking to level up its communication efforts. We deliver messages worldwide (over 190 countries), relying on direct connections with operators that stabilize the entire infrastructure and ensure the highest deliverability. Should any delivery issues occur, we have the capability to directly contact operators and find prompt solutions.

C#
C#
Go
Go
Java
Java
Node
Node
PHP
PHP
Python
Python
Ruby
Ruby
Shell
Shell
var client = new RestClient("https://api.messageflow.com/v2.1/sms");
var request = new RestRequest(Method.POST);
request.AddHeader("content-type", "application/json");
request.AddHeader("authorization", "REPLACE_KEY_VALUE");
request.AddParameter("application/json", "{\"sender\":\"string\",\"message\":\"Hello world!\",\"phoneNumbers\":[\"+48111222333\",\"+48111222444\"],\"validity\":0,\"scheduleTime\":0,\"type\":1,\"shortLink\":true,\"webhookUrl\":\"string\",\"externalId\":\"xxxx-xxxx-xxxx\"}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
package main
 
import (
   	"fmt"
   	"net/http"
   	"io/ioutil"
)
 
func main() {
 
   	url := "https://api.messageflow.com/v2.1/sms/{externalId}?offset=SOME_INTEGER_VALUE&limit=SOME_INTEGER_VALUE&sender=SOME_STRING_VALUE&phoneNumber=SOME_STRING_VALUE&status=SOME_INTEGER_VALUE&orderBy=SOME_STRING_VALUE&orderDirection=SOME_STRING_VALUE&dateTo=SOME_STRING_VALUE&dateFrom=SOME_STRING_VALUE"
 
   	req, _ := http.NewRequest("GET", url, nil)
 
   	req.Header.Add("authorization", "REPLACE_KEY_VALUE")
 
   	res, _ := http.DefaultClient.Do(req)
 
   	defer res.Body.Close()
   	body, _ := ioutil.ReadAll(res.Body)
 
   	fmt.Println(res)
   	fmt.Println(string(body))
 
}
HttpResponse<String> response = Unirest.post("https://api.messageflow.com/v2.1/sms") .header("content-type", "application/json")
.header("authorization", "REPLACE_KEY_VALUE")
.header("application-key", "REPLACE_KEY_VALUE")
.body("{\"sender\":\"string\",\"message\":\"Hello world!\",\"phoneNumbers\":[\"+48111222333\",\"+48111222444\"],\"validity\":0,\"schedul eTime\":0,\"type\":1,\"shortLink\":true,\"webhookUrl\":\"string\",\"externalId\":\"xxxx- xxxx-xxxx\"}")
.asString();
var request = require("request");
 
var options = {
  method: 'POST',
  url: 'https://api.messageflow.com/v2.1/sms',
  headers: {'content-type': 'application/json', authorization: 'REPLACE_KEY_VALUE'},
  body: {
	sender: 'string',
	message: 'Hello world!',
	phoneNumbers: ['+48111222333', '+48111222444'],
	validity: 0,
	scheduleTime: 0,
	type: 1,
	shortLink: true,
	webhookUrl: 'string',
	externalId: 'xxxx-xxxx-xxxx'
  },
  json: true
};
 
request(options, function (error, response, body) {
  if (error) throw new Error(error);
 
  console.log(body);
});
<?php
 
$curl = curl_init();
 
curl_setopt_array($curl, array(
  CURLOPT_URL => "https://api.messageflow.com/v2.1/sms",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "{\"sender\":\"string\",\"message\":\"Hello world!\",\"phoneNumbers\":[\"+48111222333\",\"+48111222444\"],\"validity\":0,\"scheduleTime\":0,\"type\":1,\"shortLink\":true,\"webhookUrl\":\"string\",\"externalId\":\"xxxx-xxxx-xxxx\"}",
  CURLOPT_HTTPHEADER => array(
	"authorization: REPLACE_KEY_VALUE",
	"content-type: application/json"
  ),
));
 
$response = curl_exec($curl);
$err = curl_error($curl);
 
curl_close($curl);
 
if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
import requests
 
url = "https://api.messageflow.com/v2.1/sms"
 
payload = "{\"sender\":\"string\",\"message\":\"Hello world!\",\"phoneNumbers\":[\"+48111222333\",\"+48111222444\"],\"validity\":0,\"scheduleTime\":0,\"type\":1,\"shortLink\":true,\"webhookUrl\":\"string\",\"externalId\":\"xxxx-xxxx-xxxx\"}"
headers = {
	'content-type': "application/json",
	'authorization': "REPLACE_KEY_VALUE"
	}
 
response = requests.request("POST", url, data=payload, headers=headers)
 
print(response.text)
require 'uri'
require 'net/http'
require 'openssl'
 
url = URI("https://api.messageflow.com/v2.1/sms")
 
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE
 
request = Net::HTTP::Post.new(url)
request["content-type"] = 'application/json'
request["authorization"] = 'REPLACE_KEY_VALUE'
request.body = "{\"sender\":\"string\",\"message\":\"Hello world!\",\"phoneNumbers\":[\"+48111222333\",\"+48111222444\"],\"validity\":0,\"scheduleTime\":0,\"type\":1,\"shortLink\":true,\"webhookUrl\":\"string\",\"externalId\":\"xxxx-xxxx-xxxx\"}"
 
response = http.request(request)
puts response.read_body
echo '{"sender":"string","message":"Hello world!","phoneNumbers":["+48111222333","+48111222444"],"validity":0,"scheduleTime":0,"type":1,"shortLink":true,"webhookUrl":"string","externalId":"xxxx-xxxx-xxxx"}' |  \
  http POST https://api.messageflow.com/v2.1/sms \
  authorization:REPLACE_KEY_VALUE \
  content-type:application/jsonl":"string","externalId":"xxxx-xxxx-xxxx"}'
Deploy your message

Lightning-fast integration

Get up and running in minutes with our lightning-fast solution. Our RESTful APIs seamlessly integrate with your app, while our programming language libraries and interactive documentation make integration a breeze. With our solution, you'll be delivering SMS with speed and ease.

Perfectly integrated

Enjoy our easy integration process with major systems

Our robust API supports OpenAPI Specification v3.1.0 and has been built using the json:api specification, which facilitates seamless integration with any CRM, MA, or CMS system. Utilize our ready-to-use integrations with the leading marketing automation, CRM, and CMS solutions. No need for any customization. We send billions of SMS messages coming out of these platforms.

SMS available integrations
SMS security awards
Safety first

We make security our top priority

The proprietary 360 anti-phishing shield provides two-factor protection: sending notifications about potential phishing attacks and a real-time tool for detecting potential threats such as attempts to misuse brand data or communication suggesting possible money scams.

You can be certain that we uphold the highest level of security for your data, as well as the data of your subscribers and customers. Our practices strictly adhere to industry-leading standards and go above and beyond to safeguard your valuable information.

One-stop-shop for communication solutions

Beyond SMS communication

MessageFlow is a one-stop-shop for messaging solutions, an integrated suit of products for cross-channel marketing communication. We understand that communication is the backbone to any successful business relation.

It certainly is a fundamental element in our area of expertise. We help run effective cross-channel communication: send bulk text messages, highly deliverable emails, and engaging mobile push notifications.

Choose the perfect one-stop-shop for your omnichannel communication

Register now
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