I prepared integration to Weather Underground and APRS from TTN via HTTP integration. Data from my sensors measuring air quality and other parameters are converted to http request (WU) and sent via sockets to APRS. Some of the readouts are available here:
https://aprs.fi/#!call=a%2FS54MTB-14&timerange=3600&tail=3600
https://aprs.fi/#!mt=roadmap&z=11&call=a%2FS56KM-13&timerange=3600&tail=3600
https://aprs.fi/#!call=a%2FS54MTB-17&timerange=3600&tail=3600
and here:
https://www.wunderground.com/dashboard/pws/INOVOM1
https://www.wunderground.com/dashboard/pws/INOVAG1
This is done under local TTN community Novo mesto, Slovenia.
MArko