$20 should be more than fair. Anybody that is looking to integrate with a TP system is likely using Klok to help manage a commercial effort of some kind, so it makes sense for you to charge for that feature.
$20 should be more than fair. Anybody that is looking to integrate with a TP system is likely using Klok to help manage a commercial effort of some kind, so it makes sense for you to charge for that feature.