I like that it's easy to get started with using Yappes, and that there are lots of examples to help you understand how to use their API. I also think that they've done a very good job of building out the API catalog, and have even gone so far as to create their own travel API! It's not perfect. I wish it was easier to search for things like "airlines" or "transportation". There are times when you need to search in a specific city or region, but this can be difficult. The support team has been…