curl --request GET \
  --url https://api.example.com/api/bridge/v1/function-instances

{
  "items": [
    {
      "created_at": "2023-11-07T05:31:56Z",
      "function_controller_type_id": "<string>",
      "provider_controller_type_id": "<string>",
      "provider_instance_id": "<string>",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ],
  "next_page_token": "<string>"
}