Wikipedia's api.php supports JSON output, which probably helps already quite a bit. For example https://en.wikipedia.org/w/api.php?action=query&prop=extracts&fo

Wikipedia's api.php supports JSON output, which probably helps already quite a bit. For example https://en.wikipedia.org/w/api.php?action=query&prop=extracts&format=json&explaintext=1&titles=Hacker%20News https://en.wikipedia.org/w/api.php?action=query&prop=extract...