It is easy to use and has a feature rich API which is very well documented. We use Upp API with our marketing automation system. Everything is ok so far. But a few features like customer segmentation are quite difficult to implement. I would recommend the Upp API to those users who are already familiar with the Salesforce platform. I am solving my customers' problems by using the Upp API. We are solving my customer's problems by implementing Upp API. The fact that our website is now 100% responsive, and we can easily manage our website from any mobile device. The fact that they have an excellent support team, and they are always available to help. We are currently using the Upp platform for our e-commerce website. We are able to easily manage our website from any mobile device. We have also been able to integrate our marketing campaigns into our website.