Some related work exists to automatically generate documentation or link it to source code for “classical” APIs, as exposed, for example, by libraries. In [16], the authors present a method to automatically link code elements in documentations with the sections in the associated source code they relate to. Or, [17] presents a method to automatically detect errors in library API documentations by analyzing them together with the source code they describe. In these works, in contrast to our work, documentations are assumed to be in natural language. We consider Web APIs to be black boxes and consequently rely on artifacts describing interactions with them (e.g., logs), whereas in these works the libraries and their APIs known.