Hi - I answer from the OpenSmartRoute documentation: routing, the API, plans and quotas, self-hosting. Ask away, or open a support ticket if you need a person.
Grounded in the docs - follow a source before acting on it.
numertel - Tool - OpenSmartRoute
Toolv1.4.0
numertel
Polish phone number lookup: who called, spam and scam checks, UKE DNO registry, CERT phishing stats