This API was created by SplendidSMS. The SplendidSMS API endpoint is located at http://www.splendidsms.com/components/com_spc/smsapi.php. You can find the SplendidSMS portal / hompage here. The SplendidSMS API is not currently available on the RapidAPI marketplace.
Click "Request this API on RapidAPI" to let us know if you would like to access to this API.
Meanwhile, you can check out the top APIs that currently available for developers.