Rev.io is an IoT billing platform with the tools needed to accurately manage billing from quote-to-cash. Connect Rev.io with Activecampaign to save time so you can focus on long-term growth. Simplify your billing process. Seamlessly update your contacts with the latest billing data and don’t let anything fall through the cracks. Remove the possibility of human error and eliminate manual data entry. Send automatic updates and messages to communicate with your customers at every step of the billing process.