curl --request GET \
  --url https://api.upon-ai.com/api/numbers/{accountSid} \
  --header 'Authorization: Bearer <token>'

[
  {
    "id": 123,
    "number": "<string>",
    "base_number": "<string>",
    "account_sid": "<string>",
    "workspace_id": 123,
    "agent_id": "<string>",
    "default_agent_id": "<string>",
    "inbound_agent_id": "<string>",
    "inbound_agents": [
      {
        "agent_id": "<string>",
        "agent_version": 123,
        "weight": 123
      }
    ],
    "outbound_agents": [
      {
        "agent_id": "<string>",
        "agent_version": 123,
        "weight": 123
      }
    ],
    "inbound_agent_version": 123,
    "outbound_agent_version": 123,
    "application_sid": "<string>",
    "phone_number_sid": "<string>",
    "inbound_webhook_url": "<string>",
    "is_time_routing_enabled": true,
    "platform_import_error": true,
    "platform_import_error_message": "<string>"
  }
]