to describe how we should return errors what are the some of the status codes that are already part of the standards but there are some that we use customly so yeah i would say use it semantically if nobody hates me for saying it like that uh yeah so json api is really good for that uh it helps us a lot with this kind of questions yeah uh include testing in the process um i would say testing is part of the development process uh but again depending on which tools you use uh for the design so for example we use uh