Application needed to send customized sms

How are you? I really would like to work for you. I'm Soft developer and expert. I have rich development experience and have developed many apps. If you choose me, I will do my best for you. I already read your proposal and understood your project clearly. I will work for you honestly and will try to complete on time exactly. I wait your positive response and you may believe me. Thank you very much.

Hi, Do you want this features in the mobile app or any other standalone EXE or web app? For this we need to buy the SMS API to send the message, Do you have that? Please advise on the things and we will get start on the same.... Thanks