{"sandbox":true,"message":"GrooveSheet API sandbox. Read routes mirror production; POST /sandbox/workflow/{workflow_name} simulates a job that completes with the demo song's outputs. No token, no charge.","demo_track":"https://www.groovesheet.net/explore/easy-on-me-adele-0fff6be3","docs":"https://www.groovesheet.net/developers/docs/api","openapi":"https://api.groovesheet.net/openapi.json"}