I need to build website with SMS API.
I simply need to send message on mobile. The form details should be message and it should not be greater than 140 characters.
My Budget is $25
8 freelancers are bidding on average $25 for this job
You're going to want to use the Twilio API to do this, pricing is really cheap ($0.0075 per message) and it's really easy to integrate into a website. Should be pretty easy :)