Information Centre
API & Developer Documents
Interfaces (2,630kb)
HTTP API Overview (941kb)
Receiving SMS API (75kb)
Additional Message Features (855kb)
Sending Message over HTTP using PHP (113kb)
Kapow SMS Libraries - v1.0 Windows DLL (93kb)
Kapow SMS Libraries - v1.0 PHP (145kb)
"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
"We've never had a single problem in all of these years. In two words: "It works." These guys really do what they say on the tin....and there's nothing more you can ask, which means we'll be Kapowing for many years to come!" – Triston Russell, Amherst Consultants LLP Read more
"KAPOW! delivers text messaging to our mobile phone users in 10 seconds....Accounting is streamlined, and purchasing new messaging units is easy. Very recommendable." – Telecommunications Manager, London School of Economics Read more
"Just about all our customers have mobile phones and all our sales people do so SMS as a broadcast or individual communication managed seamlessly through Kapow's gateway " – Richard Whitbread, Seiko UK Read more
"I have been delighted with the service I have received from Kapow. They were quickly able to pick up on our requirements and gave prompt and helpful responses to my queries. I would recommend this company to anyone. " – Val Whetton, Motofix Accident Repair Centres Read more