This repository is the home of OpenAPI documentation for https://e621.net. It is maintained by Donovan_DMC.
You can find the rendered version here.
If you'd like to ask any questions, you can do so in this forum topic.
If you need the full spec as a url for an IDE or something similar, this url should always serve the latest version.
https://raw.githubusercontent.com/DonovanDMC/E621OpenAPI/master/openapi.yaml