Programmatic SMS

Asked 2008-08-07T01:28:03.190

What is the best way to programmatically send an SMS text message?

Are there any free Web Service based SMS gateways?

I know that if I happen to know the user's carrier (Sprint, AT&T, etc), I can send an SMS by emailing an address based on phone number + carrier. I would like a good solution that does not require me to know the carrier. Barring that, is there an easy way to lookup carrier given a cell phone number?

I understand that there are some services independent of the major mobile carriers that offer a per-message fee-based service, with API. What I would like to know is how such organizations tap into the SMS networks. Do they have contracts with mobile carriers to resell their services?

mobile sms

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2 Answers

Use http://www.twilio.com/

They have a REST interface to send SMS's and even to establish phone calls or receive phone calls.

You even get 30$ credits to try it out.

Def. the cheapest solution you will find.

answered 2011-01-21T20:37:54.397

Supporting Angus, I can vouch for http://www.clickatell.com. It was used at a company I used to work at. It was a very easy solution to setup and use and worked great. You just need to anticipate how many messages you intend to send out and bulk order messages. They're pretty cheap, overall.

answered 2008-08-07T01:55:17.050

Programmatic SMS

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