Current status of open-source/API integration on V3+ and X models
Hi everyone, I am going to buy a tado system soon for my apartment and unfortunately I just discovered that only the V3+ model supports my boiler (a Vaillant VCW 180 with analog control). If I would buy a X I would have to rely only on Relay on/off.
As I am interested (or have the possibility) to integrate the heating into a larger system, I did read a good part of the threads in this forum, but I feel a summary/update may be useful. I have a few questions just to correctly understand if it is more convenient to lose V3+ modularity for Matter protocol.
Local control via open channels:
1) As far as I understand the V3+ internet bridge has no local API, but can communicate with Alexa, HomeKit, and Google Home. Does it do locally? If yes, is there by any means a way to use these channels "openly" (simulating to be the device, although I expect the answer to be no)?
2) The X model uses the Matter protocol, and as far I understand an OpenThread router (e.g. on Raspberry) can be used to connect the devices. Is there a way with the X models to locally control the receiver using OpenThread?
Remote control via API:
As far as I have read, tado offers unofficial APIs. Home Assistant is considered an official integration, as well as openHAB. I guess since are platform API, they are independent on the V3+/X models.
3) Are API/openHAB/Home Assistant integrations currently working well on both V3+ and X? Do they allow both GET and POST requests?
Thank you very much!
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1) As far as I understand the V3+ internet bridge has no local API, but can communicate with Alexa, HomeKit, and Google Home. Does it do locally? If yes, is there by any means a way to use these channels "openly" (simulating to be the device, although I expect the answer to be no)?
V3 does nothing locally - everything passes through the bridge, to tado's servers and from there to Alexa, Google Home, …
2) The X model uses the Matter protocol, and as far I understand an OpenThread router (e.g. on Raspberry) can be used to connect the devices. Is there a way with the X models to locally control the receiver using OpenThread?
In theory: Yes. People have had varying amounts of success to use a 3rd party control surface/border router, and officially only a few select Apple and Amazon Echo devices are supported. But it should be possible.
As far as I have read, tado offers unofficial APIs. Home Assistant is considered an official integration, as well as openHAB. I guess since are platform API, they are independent on the V3+/X models.
They are not official integrations, but lacking a proper public API-documentation, tado is linking to those integrations, since they made a good job of self-documenting the API.
3) Are API/openHAB/Home Assistant integrations currently working well on both V3+ and X? Do they allow both GET and POST requests?
As far as I am aware, only V3 is actively being using via API in the HA-integration; X should be using the Matter/Thread integration. I have seen someone starting work on a X API-integration/-library though. The API is still a REST-API (so yes: POST/GET are supported), but apparently there are some subtle differences between the V3 and X API.
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Thank you very much for the exhaustive explanation!
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