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 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.AlwaysMultipartFormData = true;
request.AddParameter("message", "example"); //Message (required)
request.AddParameter("to", "32479123456"); //Receiver (required)
request.AddParameter("sender", "11111111111"); //Sender (required)
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
Join over 10,000 happy customers
SMS API
SmstoolsWith our SMS gateway API you can send SMS messages from your own application, website or platform. Start today with a free trial.
5 out of 5 based on 392 user ratings.
SMSGATEWAYAPIAPI1
REGISTER NOW
Discover our text message marketing platform today!