You have not updated your application to use the new API urls and response formats.You are using an outdated program that makes use of bad practices or old API endpoints.Your applications user agent is incorrectly configured.Something else, I've checked the above 3 and they don't apply to me.We updated our codebase quite drastically in March 2020. As the result of no shared code between the old and new site, the API changed, both in response format and urls. You need to update your application to use the new API urls and response formats. If you are making requests to endpoints that are not plurals, then you fall under this category. Please visit the wiki for the most up to date information. Do not use some random 'documentation' you found on github, it is out of date and incorrect. You likely can't resolve this problem yourself, as the application you are using needs to be updated. Please contact the author, or find another, more up to date tool. If you are attempting to use the API you may be seeing this if your user agent is not in line with our user agent policy. The default user agent for many programming languages and libraries have been blocked for abuse.ĭO NOT USE A BROWSER USER AGENT FOR API TOOLS - YOU WILL GET MANUALLY BLOCKED. #4 Something else, probably abusive behavior Please see the wiki page for the API for additional details.