This is also known as RESTful API. It makes use of the query parameters that are simple with the help of the URL. The providers generally encourage the users to POST requests. The PHP SMS Gateway Integration is right now the most effective form of the integration for sending the bulk SMS. From there, you need to pick up the Bulk SMS API In PHP code sample. After that, you need to download the code sample in your desktop or laptop. To know more info. visit https://bit.ly/2NzW5qA