From marketing to CRM integrations to employee communications, our SMS API service can handle it all. If you can imagine it, our text message 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.
var url = "https://api.smsgatewayapi.com/v1/message/send";
var payload = new {
message = "Hello World",
to = "447412345678",
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);
Smstools REST API Documentation
Our API is organized around REST. It uses standard HTTP response codes and authentication. If you'd like access to our API, sign up for a trial account
API Features
Use our gateway API and connect your platform to our SMS service which allows you to send SMS messages from your own software.