There are a couple, but most require doing A fairly clunky integration like creating scenes in the IR blaster’s app and then getting to those through either Alexa routines or IFTTT.
For example, you can use this method with the SwitchBot minihub. This device is inexpensive, available in both the US and the EU, and has a manufacturer – provided integration with smartthings. But the integration is more limited than you might think at first, so a lot of people do use the scenes method for the IR blaster.
Remotec makes two zwave to IR blasters but both will require custom code. Both are available on both the US and EU frequencies. I don’t know if anyone is working on edge drivers for these yet, though. But there are existing groovy DTHs for them. Although theoretically they should offer the best integration, historically, it’s always been hard to get them to work with smartthings. But some people have done it, at least for a particular period of time.
Some people use BroadLink, but that requires an additional hardware device to create the integration.
And of course Logitech Harmony was very popular until Logitech discontinued it.
There’s an article in the community – created wiki on integrating
IR devices with SmartThings that discusses all of these options and a couple more.
I haven’t heard anything one way or the other about the tuya device. @Paul_Oliver might know. 