Showtime Anytime Not Working with Uverse

I sent a message last year when I tried to activate from my AppleTV, no response.  I sent an email to Showtime ( I figured what the heck) no response.  I contacted ATT support and they advised me to 'watch it through their website  missing the point as usual.  I just purchased Amazon Firestick TV and tried to activate but like others, once I select ATT Uverse, I never get the screen to login just the 'we see you do not have Showtime blah blah"  Funny, I have had Uverse 450 for at least 5 years.  I can access HBO Go, Watch ESPN with no issues.

I don't understand why this seems to be happening for years now and he only solution is to log in through your Uverse watch it there.

Having the same issue. Subscribe to Showtime, can't log into anything from any device. Reset all browsers, caches, history etc. Nothing. Won't let you sign in or I get some sort of stupid error. Finally when it does recognize my logins it then says you don't subscribe to Showtime. It's a ATT problem. My sister gave me her login for Fios (Frontier formally Verizon) and signs in like a charm. I barely use the ATT box as the quality coming from ATT is marginal at best. When are they going to get it together. I guess the last "T" in ATT is still being used because the "Telegraph" portion of the ATT name seems to be what their technology is based on.

Do not use Safari.  Try another browser.  Firefox worked for me with no issues.

Great. Glad it was solved in 2015. Now it's 2017 and I'm having the same problem. Can't sign in to either HBO Go or Showtime Anytime. I'm asked to fill out an extensive registration page, then told "server error." Trying to go from a different link I'm told, "this is a sub-account, sign in with primary account." What the heck does this mean? Why are error messages always incomoprehensible? 

Your "main" at&t account can have quite a few "sub accounts."  Each sub-account has a different e-mail address and password, all tied to the same AT&T account.  If the e-mail address you're using to sign in is a sub-account e-mail, identify the mail e-mail and sign in with it.  You can look at your sub-account information at http://att.com under the myAT&T section.

Having the same problem. Get a No showtime account error message when I try to login to Showtime Anytime.  Showtime tech support said 3 days ago they are working on the problem. Followed up yesterday, said they are still working on it, they will let me know as soon as they know more. Talked to AT&T tech support. They said I  can only watch Showtime on my TV, that is the only device registered, can't watch it on other devices. The guy didn't sound like he knew what he was talking about. So I'm still waiting. 

I am having the same problem.  When I try to enter my user Id and password information into the Showtime Anytime app, I receive the following error message: "user Id and password combination does not match our records".  But, when I use the same user Id and password on the att site, it works just fine.  What am I missing?  Isn't there an easier way to verify the account such as account number/address?

I am having the same issue with Showtime Anytime, HBO GO, and MAX GO (via the websites and phone apps). I just signed up for the U-verse U450 package so I definitely have subscriptions to HBO, Showtime, and Cinemax. AT&T support was no help so I followed Skipdodsons' advice of submitting a ticket via the Showtime Anytime website. I guess I will just have to wait and see what they say. This seems like a very common issue with the AT&T accounts not syncing with third-party apps/sites. However, I am able to access the WatchESPN app and a few other websites with my AT&T credentials.