I’m trying to create a google chat space via making a post request to https://chat.googleapis.com/v1/spaces with Guzzle. In response I’m getting: But if I change the body of the request and add some new invalid fields like this: I’m getting the next response: docs: https://developers.google.com/chat/api/reference/rest/v1/spaces/create What’s wrong with my original request? Thanks. Answer The spaces.create documentation explains this at the