curl --request GET \
  --url https://api.portkey.ai/v1/policies/usage-limits \
  --header 'x-portkey-api-key: <api-key>'

{
  "object": "list",
  "data": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "type": "cost",
      "status": "active",
      "workspace_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "organisation_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "created_at": "2023-11-07T05:31:56Z",
      "last_updated_at": "2023-11-07T05:31:56Z",
      "name": "<string>",
      "conditions": [
        {
          "key": "workspace_id",
          "value": "workspace-123"
        }
      ],
      "group_by": [
        {
          "key": "api_key"
        }
      ],
      "credit_limit": 123,
      "alert_threshold": 123,
      "periodic_reset": "monthly",
      "value_key_usage_map": {}
    }
  ],
  "total": 123
}