I often weigh my decisions against GitHub's GraphQL API https://docs.github.com/en/graphql/reference/mutations What do you look at when design complex APIs?
The Github API is definitely a good benchmark.<p>Linear's GraphQL API might be another interesting one to look into <a href="https://developers.linear.app/docs/graphql/working-with-the-graphql-api" rel="nofollow">https://developers.linear.app/docs/graphql/working-with-the-...</a>.