Registering External Services & Pricing
Defining the non-LLM "outside vendors" your workflows call — endpoints, billing units, and cost.
Building Service Config Sets
Reusable bundles that give registered services their concrete methods, headers, variables, and retries.
Registering Workflow Engines
Registering the n8n instance that runs your workflows — the base URLs, the slug, and the local-Docker gotcha.
Creating & Revoking API Keys
The machine credentials that let Circus and the workflow engine talk to each other — created, shown once, revocable.
Registering Workflows & Status Gating
Defining a runnable workflow — its config, its engine, the statuses it runs from, and the status it produces.
The Dependency Chain & Disable Cascades
Why disabling a model, prompt, or service can make a workflow unavailable — and how to fix it.