This project is random data generator. It uses is HotBits API web service for radioactively-generated random data.
The web service generates random data. Without API token, only pseudorandom data will be returned. For radioactively-generated random data, you would need to request free API key.
The project is not part of the HotBits. It is just API client for it, made by community. For any information about HotBits, you should use the official website.