API - 説明なしでカテゴリを取得

[pfaffman (Jay Pfaffman)]

I think you need to use params and not data..

Discourse API docs mention a "request body" for a GET request

GET always has a query string and never has post data (that is why you are getting 413 payload too large, it does not expect any). When querying data from a server without making a change you’ll (almost) always use GET and not POST. So you should use params= instead of data=. I think the docs for this specific API call are badly phrased (“Request Body schema” really indicates POST data) so I am moving this to bug and you don’t need to pay me anything. import requests import json def get_post_…