{"nome":"API de Conversão para Markdown","versao":"1.0.0","endpoints":{"convert":"POST /convert (multipart, <=4MB total)","upload":"POST /upload (1 arquivo, salva no Vercel Blob)","convert_url":"POST /convert/url (lista de blob_urls)","playground":"GET /playground (teste interativo)","api_key":"GET  /api-key (master key publica)","docs":"GET  /docs (Swagger UI)","health":"GET  /health"},"auth":"Header X-API-Key obrigatorio (excecao: /, /docs, /api-key, /health, /playground)"}