Vaillant Group API Developer Programme Status

All Systems Operational

APIs Operational

authorization server Operational

advanced diagnostics API v1 Operational

advanced settings API v1 Operational

consumption API v1 Operational

energy management API v1 Operational

history API v1 Operational

notification push Operational

notifications API v1 Operational

schedules API v2 Operational

settings API v1 Operational

settings API v2 Operational

states API v2 Operational

systems API v2 Operational

system registration API v1 Operational

trouble code information API v1 Operational

end-customer consent portal Operational

developer portal Operational

Operational

Degraded Performance

Partial Outage

Major Outage

Maintenance

Past Incidents

Mar 10, 2026

No incidents reported today.

Mar 9, 2026

No incidents reported.

Mar 8, 2026

No incidents reported.

Mar 7, 2026

No incidents reported.

Mar 6, 2026

No incidents reported.

Mar 5, 2026

No incidents reported.

Mar 4, 2026

No incidents reported.

Mar 3, 2026

Maintenance of VR940/SR940 gateway provisioning infrastructure

Completed - The scheduled maintenance has been completed.
Mar 3, 11:00 CET

In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 3, 10:00 CET

Scheduled - Due to maintenance work on the VR940/SR940 myVaillant/MiGo Link provisioning infrastructure, on‑site commissioning of the affected gateway types will not be possible during the maintenance window.
Mar 2, 10:13 CET

Mar 2, 2026

Delay in availability of data

Resolved - This incident has been resolved.
Mar 2, 09:22 CET

Identified - Users may experience delays in recent device data.

The team is working to resolve this issue.

We apologise for any inconvenience this may cause and thank you for your patience.
Feb 27, 15:03 CET

Mar 1, 2026

No incidents reported.

Feb 28, 2026

No incidents reported.

Feb 27, 2026

Feb 26, 2026

No incidents reported.

Feb 25, 2026

No incidents reported.

Feb 24, 2026

No incidents reported.