Göteborg-Agnesberg
Neptun covers Göteborg-Agnesberg (Sweden) through the SMHI network. One GET request returns its readings as JSON — in the same shape as every other network Neptun serves, so you write the parsing once.
Source: SMHI · Position: 57.7898, 12.0102
Request
curl -H "Authorization: Bearer mapi_YOUR_KEY" \
"https://neptun.marine-api.com/v1/levels?lat=57.7898&lon=12.0102&radius=5"