Coming soon
Hosted Reactor is not open yet.
reactor.cloud will run the same server. Projects, keys, and client URLs stay the shape they have when you self-host. There is no separate cloud API to learn later.
Until then, run it yourself. The self-host page starts a local cluster. The Lambda guide is the AWS layout: one API Lambda, Aurora, S3, and a service for site processes.
This site has no accounts and no console. The console ships inside the server you run.