List countries requiring number verification
Returns all countries/number types where a regulatory bundle is required, including countries not currently enabled for marketplace purchase. Use before submitting a verification case. Document and end-user field requirements are loaded per country from the live regulation catalog (session GET /api/telephony/verification/regulations). Required scope: phone_numbers:read.
Authorizations
API key (fam_..., created under Settings → API Keys) or an OAuth 2.0 access token (fam_at_...). Keys can be restricted to scopes such as assistants:read, calls:write, campaigns:write, automations:read, dashboards:read, dashboards:write, leads:write, segments:write, loop:read, loop:write, phone_numbers:write, sip_trunks:write, knowledge:write, voices:read, billing:read, settings:write, platform:read, platform:write; a *:write scope implies the matching *:read. Automation and dashboard endpoints also accept the legacy calls:* scope. Keys without scope restrictions have full access.
Response
Verification catalog