The best part is that, we can use this platform for free of cost and it has easy UI which makes our work easier. It's very fast too if you are using asp.net web api with C# language. I didn't face any problem regarding its usage until now but since i am new user so please try out first before making comment. As per my experience nothing much good about this tool because it doesn't provide enough support from their end and they do not reply us quickly when there is an issue or query related to them. Go through their website and see how well they respond your queries. It helps me to develop REST API easily by writing less code.