From what I can tell, the issue is that the OP was using a single user to perform all calls. They didn't want to sign users up individually, so they took this w

From what I can tell, the issue is that the OP was using a single user to perform all calls. They didn't want to sign users up individually, so they took this workaround route and found out that it wouldn't work after all. TLDR; they weren't using the API as intended because they wanted the DS part of the UX to be transparent to the user.