{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/Number", "title": "Number", "type": "object", "properties": { "country": { "type": "string", "description": "Two-character country code." }, "msisdn": { "type": "string", "description": "Phone number in E.164 format." }, "type": { "type": "string", "description": "Number type (mobile-lvn, landline, landline-toll-free)." }, "features": { "type": "array", "items": { "type": "string", "enum": [ "SMS", "VOICE", "MMS" ] } }, "cost": { "type": "string", "description": "Monthly cost of the number." } } }