PHP Script and sms provider integration

I am looking for a skilled freelancer who can integrate my PHP script with SMS provider. The primary purpose of the script is to send notifications and marketing promotions. In my php script, please include detailed project proposals that showcase your experience in integrating SMS providers with PHP scripts. Ideal candidates should have experience with sms gates and be able to provide examples of past work in this area.

Deleting pages and codes of current sms provider required

I already Have favorite sms provider.