I don’t manage an API, but as a consumer of APIs that others manage, I can tell you that SOP seems to be “push breaking changes with no warning and often times

I don’t manage an API, but as a consumer of APIs that others manage, I can tell you that SOP seems to be “push breaking changes with no warning and often times no documentation.” (Even from very large companies you would assume know better.) If you send any kind of warning or advance notice you are likely in the top quartile already.