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Device to Device interface

UDP Broadcast

Some testo devices and apps send a UDP broadcast to the local network which can be received by listening to UDP packets on port 53955. This broadcast contains information which can be used to connect to the HTTP interface.

# Receive the broadcast using netcat
$ nc -ul 53955
{"DeviceId":"300","DeviceName":"testo 300","FirmwareVersion":"1.09.5212","HttpServerIPv4":"","HttpServerIPv6":"","HttpServerPort":"55000","Serial":"61349163","SerialNumber":"61349163"}


Please be aware that the port in this message can usually be ignored and port 54000 should be used for HTTP connections!

HTTP interface

Method Endpoint Description
GET / Returns a HTML live view as displayed on the app
GET /api/data/live Returns JSON live data as displayed on the app
GET /api/contact Get a list of customers currently available in the testo Smart
GET /api/contact/{uuid} Get one specific customer identified by {uuid}
POST /api/contact Create or update a customer