Epic Online Services are free, cross-platform services that make it easier and faster for developers to successfully launch, operate, and scale high-quality games. As a game developer ourselves, we've tackled numerous hard problems over the years. With Epic Online Services, we're sharing the fruits of our labor with the rest of the development community.
Epic Online Services will work across any engine, any store, and are designed to be integrated with any major platform. With a single SDK, you can easily access any of the services offered by Epic.
You can find more info here, and we also offer help for Epic Online Services through our community support site.