REST API ReferenceJourney MermaidJourney Mermaid GET /journeys/:journey_id/mermaid Returns the journey as a Mermaid 'stateDiagramv-v2' string. Content-Type: text/plain Request Responses200404422Mermaid stateDiagram V2 (text/plain). Copy/paste directly into a Mermaid renderer.Journey not foundValidation Error