Adding Contact, returns 400 Bad Request, "Unrecognized property: email_opted_in"

[mike.christianson]

"Unrecognized property" updating contacts

With yesterday’s release, the API Team made an improvement to the REST API documentation for the Contact resource. The Contact resource body samples now accurately indicate which properties are available for each request and response. Simultaneously, we unintentionally caused previously valid requests that carried certain ignored properties to fail. For example, if a request to create a Contact were to contain an id or email_opted_in it would be unintentionally rejected with a status code of 40…