I`ve solved my problem by moving to Local Tuya addon. No more problems.
Armi, where can a relative newbie like me find current instructions on how to install Local Tuya in Home Assistant? I’ve spent days following directions on one webpage or another until I find something has changed. Thanks for your reply. Regards
I have the same problem, but found a workaround: Disable IPv6 in Supervisor → Host → Ip-Adress.
When setting the logger for tuya/tuya_iot to DEBUG you will notice, that there is often missing the PUBLISH answer from tuya after a POST of the switch-command. When IPv6 is disabled this happens nearly never.
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This worked for a bit but then stopped again
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Also worked for me for some time and now it does not.
Same probleme reload after 1 hour
im noticing this problem. Local tuya is fine but for some devices, like RGB lights i like being able to control all the features the device offers, like change the colours of the lights… which i havent worked out how to do with localtuya… and im getting the same issue as the op with the main tuya integration.
Everything is OK now. OS 7.6. Core 2022.3.8. After core update problem was fixed
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Is anyone still having issues with this? I can’t get Tuya to respond.
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Suddenly happening again, this problem had gone away for some time.
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I’m also having issues with the Tuya integration. I first noticed the issue a few hours ago. The Smart Life app works, but anything relying on the Tuya HA integration is broken. I found some reports on twitter of this happening to other folks. For example: https://twitter.com/gregklaus/status/1547402741273829381?s=20&t=aiZ7AfD5Kzu8nfMVg6qp0Q
That said, this issue looks unrelated to the original thread. This seems like an problem with the tuya API.
In unrelated news, I just ordered a large quanitity of zwave switches…
I had to reset my integration with Tuya recently from the ground up and now it works fine. I’m not sure what changed.
Exactly how did you reset your integration? I thought I did and added many devices back, but some I can’t identify. LocalTuya shows 43 devices, Tuya shows 40, and there are some that show on Tuya and not LocalTuya and vice-versa.
I basically created a brand new Tuya IoT integration as opposed to attempting to fix the current one 
Are you using the Tuya app or Smart Life app?
Did you use your existing Tuya IoT platform and just adding a new project or setup a new account?
Did you unlinked existing devices in IoT Tuya first before creating a new project?
Did you deleted existing Tuya or LocalTuya integration from HA first?
Thanks
I’m using the Tuya app/integration via the Tuya IoT platform. When I ran into issues, I rebuilt my device list, which was painful but fixed the issue. I deleted the prior Tuya integration from HA first.
Thanks. I’ve over 45 Tuya devices but LocalTuya isn’t behaving and is frustrating. I was using SmartLife but correct me if I’m wrong. (1) Unpair/delete devices in Tuya IoT, (2) Delete devices in LocalTuya HA integration, (3) Delete LocalTuya integration, (4) Install Tuya on my phone and pair my devices, (5) Pair my app with Tuya IoT, (6) Add Tuya integration in HA.
Yea it really is a pain in the butt to go through this with so many devices… Your steps are correct - they are also laid out here: Tuya - Home Assistant
Mark Watt also does a good walk-thru: The New TUYA Home Assistant Integration (FULL SETUP) - YouTube
So I just set up Tuya integration and what I experienced that was really weird was that the buttons and status was failing. Even if the logs said everything was a success.
What turned out to be the problem was that after following this: Tuya - Home Assistant, i had tried out different data centers to find my devices, and it turns out that things got screwed up when having multiple data centers in the config. I had two, and status and everything was weird. So I removed the data center that was wrong and set up the intergration again, then suddenly I could get the right status and turn on and off he lights again.
Hope this helps anyone