curl --request GET \
  --url https://api.oneinbox.ai/v1/publishable-keys \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "id": "<string>",
      "name": "<string>",
      "key": "<string>",
      "key_prefix": "<string>",
      "is_active": true,
      "allowed_origins": [
        "<string>"
      ],
      "scopes": [
        "<string>"
      ],
      "last_used_at": "2023-11-07T05:31:56Z",
      "created_at": "2023-11-07T05:31:56Z"
    }
  ],
  "total": 123,
  "limit": 123,
  "offset": 123
}