Sensor uploads failing since June 15 – heartbeat OK, /sensor POST returns -151
by on
Hello,
since June 15 around 09:00 UTC my Flukso device stopped sending sensor data to flukso.net (and PVOutput).
Device status:
* sensors are working and pulses are correctly processed locally
* network and DNS are OK (api.flukso.net reachable)
* heartbeat requests succeed (HTTP 200)
Issue:
All sensor uploads fail consistently:
POST https://api.flukso.net/sensor/: -151
This affects both sensors. Restarting fluksod and clearing local queues does not resolve the issue.
Only /device heartbeat works; /sensor uploads fail immediately.
No changes were made on my side. The issue started suddenly.
It looks like a backend/API change or TLS compatibility issue affecting sensor uploads.
Could you please check if anything changed recently on the /sensor endpoint or TLS requirements for legacy Flukso devices?
Thank you.