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Don't think others here are getting what you're asking for...
Clickatell can do shortcode messaging and have an API based system. Inbound and outbound is possible. It takes some work to setup.
See http://www.clickatell.com/products/shortcode.php I don't think you're going to find a free shortcode sms service.
Don't think others here are getting what you're asking for...
Clickatell can do shortcode messaging and have an API based system. Inbound and outbound is possible. It takes some work to setup.
See http://www.clickatell.com/products/shortcode.php I don't think you're going to find a free shortcode sms service.
chikka.com my friend is free, totally opposite from your Clickatell