Information Centre
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API & Developer Documents
Interfaces (851kb)
HTTP API Overview (323kb)
Receiving SMS API (75kb)
Additional Message Features (288kb)
Sending Message over HTTP using PHP (113kb)
Kapow SMS Libraries - v1.0 Windows DLL (93kb)
Kapow SMS Libraries - v1.0 PHP (145kb)
Guides
Receiving SMS (205kb)
SMS Coverage (1,022kb)
GSM Character Set (122kb)
Premium SMS (82kb)
Charity Shortcode Donation Guidelines (39kb)
Sending Standard Rate SMS to USA (252kb)
Charity PSMS (81kb)
Case Studies
Building your SMS Marketing Database (129kb)
Missing People Case Study (50kb)
Optimising SMS in the Travel Industry (55kb)
Honeys Case Study (94kb)
Good to know
Why add SMS to YOUR Software (39kb)
How to Choose An SMS Provider (49kb)
Compare Contact Methods (44kb)
SMS Facts & Figures (42kb)
Privacy Notice (98kb)
Popular Business Uses and Users of SMS (35kb)
"Kapow's email2SMS service fulfils VolvoIT's desire to have a fast cheap and reliable solution for email to sms with very low administrative overhead... The fact that Kapow are still improving and developing the service is testament to... " – Nigel Frost, Volvo IT Read more