SMS, WhatsApp and Voice tailored for your sector — pay-as-you-go, GDPR compliant, EU-based support.

#1 SMS Gateway API from UK

Integrate SMS services in your software by embedding our userfriendly SMS gateway API

From marketing to CRM integrations to employee communications, our SMS API service can handle it all. If you can imagine it, our SMS API can make it happen. Experience peace of mind with our 99,99% uptime guarantee. Access Smstools's features from within your own platform or app.

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EU-based support GDPR compliant EU servers · 99.97% uptime Pay-as-you-go SMS, WhatsApp & Voice

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Use cases →

api.smsgatewayapi.com

<?php
	$ch = curl_init();
	$url = "https://api.smsgatewayapi.com/v1/message/send";
	$client_id = "XXX"; // Your API key
	$client_secret = "YYY"; // Your API secret
	$data = [
		'message' => "Hello World", //Message
		'to' => "32495123456", //Receiver
		'sender' => "YourName" //Sender
	];
	curl_setopt($ch, CURLOPT_URL, "$url");
	curl_setopt($ch, CURLOPT_POST, true);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($ch, CURLOPT_VERBOSE, true);
	curl_setopt($ch, CURLOPT_HTTPHEADER, [
		"X-Client-Id: $client_id",
		"X-Client-Secret: $client_secret",
		"Content-Type: application/json",
	]);
	curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
	$response = curl_exec($ch);
?>

const https = require("https");
const client_id = "XXX"; // Your API key
const client_secret = "YYY"; // Your API secret
const data = JSON.stringify({
    message: "Hello World", //Message (required)
    to: "32495123456", //Receiver (required)
    sender: "YourName", //Sender (required)
});
const options = {
    hostname: "api.smsgatewayapi.com",
    port: 443,
    path: "/v1/message/send",
    method: "POST",
    headers: {
        "X-Client-Id": client_id,
        "X-Client-Secret": client_secret,
        "Content-Type": "application/json",
        "Content-Length": data.length,
    },
};
const req = https.request(options, (res) => {
    console.log(`statusCode: ${res.statusCode}`);
    res.on("data", (d) => {
        process.stdout.write(d);
    });
});
req.write(data);
req.end();

require "uri"
require "net/http"

url = URI("https://api.smsgatewayapi.com/v1/message/send")

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

request = Net::HTTP::Post.new(url)
request["X-Client-Id"] = "XXX" // Your API key
request["X-Client-Secret"] = "YYY" // Your API secret
request["Content-Type"] = "application/json"
form_data = [
	['message', 'Hello World'], //Message (required)
	['to', '32495123456'], //Receiver (required)
	['sender', 'YourName'] //Sender (required)
]
request.set_form form_data, 'multipart/form-data'
response = https.request(request)
puts response.read_body

import requests

url = "https://api.smsgatewayapi.com/v1/message/send"

payload={
	'message': 'Hello World', #Message (required)
	'to': '32495123456', #Receiver (required)
	'sender': 'YourName' #Sender (required)
}
headers = {
	'X-Client-Id': 'XXX', #Your API key
	'X-Client-Secret': 'YYY', #Your API secret
	'Content-Type': 'application/json'
}

response = requests.request(
	"POST",
	url,
	headers=headers,
	json=payload
)

print(response.text)

var url = "https://api.smsgatewayapi.com/v1/message/send";

var payload = new {
	message = "Hello World",
	to = "32495123456",
	sender = "YourName"
};

var client = new RestClient(url);
client.Timeout = -1;

var request = new RestRequest(Method.POST);
request.AddHeader("X-Client-Id", "XXX"); // Your API key
request.AddHeader("X-Client-Secret", "YYY"); // Your API secret
request.AddHeader("Content-Type", "application/json");
request.RequestFormat = DataFormat.Json;
request.AddJsonBody(payload);

IRestResponse response = client.Execute(request);
Console.WriteLine(response.Content);

API

SMS API Documentation

Our SMS API is organized around REST. It uses standard HTTP response codes and authentication. If you'd like access to our SMS API, sign up for a trial account

API documentation

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API

SMS API Features

Use our SMS gateway and connect your platform to our SMS gateway which allows you to send SMS messages from your own software.

Purchase a virtual mobile number to receive SMS messages in your software.

api.smstools.com

POST /v1/message/send

{
  "to": "+32 478 12 34 56",
  "message": "Hello World",
  "sender": "YourApp"
}

200 OK ~120 ms

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