Climate Solutions Community

felinh · ‎28.11.2022

Hi Max, please find below fix proposed by moderator: After further investigation, we found that you are using ViCare via a Family&Friends share. To have the API use working for you as well, the original owner of the installation (the account that invited you to the installation) must login on the Developer Portal first. This is requirement and before, you cannot access the IoT features of the device. I do confirm I was using the API with an "invited login" when it failed , by reusing the API with the owner login it worked. I guess on Nov 15th, there was probably a "user 's right campaign" on Viessman side that caused this effect. I hope it will fix your issue as for me. Céline

felinh · ‎24.11.2022

Hi Max, the moderators are trying some fix, no success so far. I will update the topic to keep you informed. Céline

felinh · ‎23.11.2022

Hi Chris, ViCare App on my mobile works as expected. Even after power cycling VitoConnect, calling various features returns 404 error but with root address got 200 success but with empty data I will go in contact with moderator. thanks you very much. Céline

felinh · ‎21.11.2022

Hi, thank you for the support. You are guessing well: I have no problem of authentification as the other API worked well with non empty content. I am using the service thru ViCare in python so while calling: url https://api.viessmann.com/iot/v1/equipment/installations/[xxx]/gateways/[zzz]/devices/0/features/ answer is : get raw <Response [200]> Response to get request: {'data': []} I have renewed my API key with same empty results.

felinh · ‎18.11.2022

Hello, I am using the following service :: curl -X GET https://api.viessmann.com/iot/v1/equipment/installations/{{installationId}}/gateways/{{gatewaySerial}}/devices/{{deviceId}}/features until now, this was running OK, suddenly on 2022-Nov-15 11:00, the presented service returned empty data {"data":[]} whereas the following worked OK: curl -X GET https://api.viessmann.com/iot/v1/equipment/installations/{{installationId}}/gateways/{{gatewaySerial}}/devices As I did not changed anything on my setup, I would like to know if there is server issue somewhere. It is annoying as the 'winter is coming' and it prevents energy saving on my side. thank you very much for your help, Céline setup:VitoconnectOpto1+VScotHO1_40

felinh · ‎21.10.2018

Dear Veissmann manufacturer I do share user member disapointments: functionnalities had dispeared (like boiler activity) compared to previous version . It seems that it will take ONE year to recover it (maybe). Last winter, I saved 15% of gas consumption with old viCare system. I won't be able to do the same next winter. OUR PLANET is not WAITING, please go fast!

felinh · ‎25.11.2017

Hello, I am new on that forum, and only speak english. I am using Vitoconnect device and the API api.viessmann.io/estrella/rest/v2.0. This works pretty well. I would like to adjust by https PUT request the parameter "konf_niveau_rw" (datapointId=2875) when outdoor temperature range is changing . My ideal setting is '-7' on warm winter, and '-4' on cold periods. When the boiler displays '-7', reading this "konf_niveau_rw" with the API, it returns '248' (=-7+255). I can manage this conversion. I guess it refers to sign number issue. It is not possible to write the "konf_niveau_rw" : Putting '-7' returns "error": "INTERNAL_SERVER_ERROR", Putting '248' returns "error": "INTERNAL_SERVER_ERROR", Thanks to the experts who had provided this marvellous facility!

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