There are two main service instances or environments to Nexaas ID: sandbox and production.
Every endpoints (paths) can be accessed in each environment.
The sandbox’ role is supplying a staging environment for non-production applications.
Every tests must be performed in sandbox.
Its host is https://sandbox.id.nexaas.com/.
The production environment is the Nexaas ID for real. Only real production applications should be registered in the production Nexaas ID environment, never test ones.
The host is https://id.nexaas.com/.