The answer
M-Bus HTTPD API
Top verified match: it matches your intent, it is the official vendor server.
fresh · published 1870d ago · verified 2026-08-01tested · static-verifiedsigned passport ✓score 32/1007 declared tools
Runners-up
- libmicrohttpd31/100 · weaker match
- httpd30/100 · weaker match