Yes, we provide source code to make custom changes in developer & enterprise version only. If you have Marketer, or Reseller version. You need to upgrade in order to get access to our source code.
Can I set how much credit to charge per message for all kinds of campaign option available in the system?
Yes, you can customise credit charges for each kind of campaigns, message type and all tools including WhatsApp Campaigns, Group Sender Campaigns, Single Message and