{"service":"Student ID Card API","version":"1.0.0","endpoints":{"POST /api/id-cards":"Generate a Student ID Card (PNG by default).","POST /api/id-cards?response=base64":"Return JSON with a base64 data URI.","POST /api/id-cards?download=true":"Return the image as a downloadable attachment.","POST /api/id-cards/preview.svg":"Return the raw SVG.","GET /health":"Health check."}}