The page doesn't really show me enough to know if I want to buy. At the very least I'd need a comparison with a more mature system like https://www.mulesoft.co

The page doesn't really show me enough to know if I want to buy. At the very least I'd need a comparison with a more mature system like https://www.mulesoft.com/ https://www.mulesoft.com/ What is the documentation in for example? RAML? Swagger? HTML?