Getting started programming with the Viessmann API

Button for one-time request of hot water

Helllo,I have Vitodens 200-W + Vitoconnect 100 and I am unsing Homeassistant to read operating values from sensors.Actually I am trying to find out how to start on-time request for Hot-water.For example I have motion sensor a would like to to start o...

Developer Portal keine Registrierung und Anmeldung möglich?

Wie bekomme ich meine OAuth Credential wenn ich nicht auf das Developer Portal zugreifen kann? Danke.

Zustände und Temperaturen über Vitoconnect auslesen

Hallo Zusammenich würde gern folgende punkte aus meiner WP auslesen:Wärmepumpe Vitocal 300-G BWC301.C12Status (Leistung) KompressorStatus SolekreispumpeStatus Heizkreispumpe WPStatus 3-Wege Ventil WP Umschaltung HK1 /HK2W19 Status 3-Wege Ventil Rückl...

Translation from English to German, can you help me?

Hello,The thermal baths not using the API are not simple to translate.So that we can all take advantage of them and include them in our developments, could you help me translate them?I am French and I am in difficulty. French > English > German. Info...

Some code to receive info from the Viessmann boiler v0.2

Here is some code I have put together in order to receive basic info from an Viessmann boiler. The code represents an improvement from a former post here on the forum and thus it has been highlighted as version 0.2. Only HTML and PHP. it is used. In ...

Problems getting the access token

I am observing problems getting the access token as described in the developer portal. Intitially I am trying to get the token manually by http requests in order to understand the procedure, the final goal is to implement the whole procedure into ope...

Vitodens specifications for gas consumption

Hi,For the boilers that do not provide data about gas consumption I am thinking to make an estimate based on the working hours multiplied with an indicator like gas consumption (max).Are they any specifications regarding the maximum gas consumption q...

Problem with refresh token request

Hello, I'm trying to implement the Viessmann API into my Openhab3 environment.I read the documentation carefully and all steps until the "refresh token request" worked very well.My challenge now is that the refresh token call does not work. This is t...

refreshtoken - w/o access token - security

Hello, I just tried to get started with the API.I still hang at the auth process and don't understand why I can do this:curl -X POST "https://iam.viessmann.com/idp/v2/token" -H "Content-Type: application/x-www-form-urlencoded" -d "grant_type=refresh_...

Zeiten für Warmwasser und Heizung anpassen

Hallo zusammen, ich habe heute versucht die Zeiten für Wasser oder für die Heizung über die neue API zu ändern. Wenn ich setValue aufrufe, dann erhalte ich immer den nachfolgenden Fehler: "code":"500","reason":"INTERNAL_SERVER_ERROR","details":"entri...

Returns from an API request change order.

I'm using the (new) API for a couple of days now with such a request:"https://api.viessmann.com/iot/v1/equipment/installations/"+ installationID +"/gateways/" +gatewaySerial + "/devices/0/features?regex=heating.(sensors.temperature.outside%7Cdhw.(one...

What does materialNumber refer to in https://developer.viessmann.com/en/doc/service-documents/v3 ?

In my quest to get more information about E0 error I was trying to use this service-documents/v3 call. But I am missing an important parameter it looks like, what is materialNumber refering to? Could some examples be shared please. Thanks in advance ...

Hilfe bei Change End Date heating.operating.programs.holiday

Hallo Zusammen Ich komme leider nicht weiter, wenns darum geht, Werte, bspw Daten zu setzen. POST auf Booleans via Device feature command using name funktioniert gut (oneTimeCharge bspw.). Ich möchte gerne das End (und anfangs-) Date des Holiday Prog...

API Abfragen - Ersteinrichtung - ich komme nicht weiter...

Hallo zusammen und @MichaelHanna, ich nutzte bisher die Viessmann API um die Daten in mein SmartHome (Loxone) zu bekommen (über HTTP-Abfragen). Seit dem 15.07.21 ist das ja auf dem alten Weg nicht mehr möglich. Wie erstelle ich denn diesen Zugriffs T...

Endpoint missing and writing method not quiet clear

Hello,I have jumped my former client into the niew API. However, I have noticed that some endpoint are still missing. For instance, I wanted to get my slope and shift but didn't find the heating.curvefeatures.Moreover, it's not quite clear on how to ...

HowTo send a command via the API ? Or what is the correct syntax?

I'm trying to send a command via the API, for example I want to activate the feature "oneTimeCharge".I tried to send such POST request: https://api.viessmann-platform.io/iot/v1/equipment/installations/My-Installation_ID/gateways/My-Gateway_Serial/dev...

API "Installation features" liefert leere Antwort

Hallo,der Versuch die Feature-Liste eine Installation zu erhalten:https://api.viessmann.com/iot/v1/equipment/installations/{installationId}/features liefert mir nur ein leeres Objekt zurück (natürlich mit gültigen Token):{ "data":[]} Mache ich was fa...

API usage questions (2)

After getting my API-Token (and refreshing it) I stumbled on the following questions: -Since the number of API-Calls are limited the use a single call for each requested value is not the intended way, how shall we concentate multiple requests in one ...

API usage questions

With the help of @MichaelHanna I was able to get my first API token. Thanks for that! Now I do have some follow up questions: Refresh Token:I noticed that the Refresh Token stays the same. Is that true for all the time?Regarding the documentation for...

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