Relay.app lets you describe a workflow in plain language, then generates a visual step sequence you can edit manually or by prompting again. The core model is fixed-sequence automation — triggers, steps, branches, loops — with AI inserted at specific points for extraction, summarization, or creation, not for deciding what to do next. Approval gates are built in, not bolted on, so a finance director can sign off on an expense before it routes to payment. Reusable 'Sequences' let teams standardize common patterns like lead enrichment or onboarding and propagate updates across every workflow at once. The ceiling appears when logic grows complex: deep conditional branching across many steps pushes against what the visual canvas expresses cleanly.