The IPN API is not without it challenges and reliability issues.
i.e. I have seen the same IPN message being repeated, messages being truncated most likely due to it originating from a system working with a SMS char-limit.
But I agree it is probably the best options at the moment.

To answer the original question: No a paybill number is not associated with a SIM.

n.b. maybe you can find some useful code in PesaPi you can use for your integration.

..
Michael Pedersen


On 9/21/12 9:58 AM, joe mwirigi wrote:
Nowadays they have an IPN API whichis far better than the SIM terminal.


rgdz
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We must Keep on, 
   
 


On Thu, Sep 20, 2012 at 11:36 PM, m mugo <mugo2of3@gmail.com> wrote:
Hi good people.

For those that have done MPesa paybill integration, help with this one:

what are the options provided by QB to the recipients... API integration? A SIM associated with Paybill No?

Regards,
Mugo