HTML-zu-PDF-Renderer

# 1) Request a presigned URL → returns { uploadUrl, storageKey }
curl -X POST 'https://api.elysiatools.com/api/upload/presign/html-to-pdf-renderer' \
  -H 'Content-Type: application/json' \
  -d '{"filename":"htmlFile.ext","contentType":"application/octet-stream","size":12345}'

# 2) PUT the file bytes directly to the presigned uploadUrl
curl -X PUT '<presigned uploadUrl>' \
  --data-binary @/path/to/file.ext

# 3) Call the tool, passing the returned storageKey for each file field
curl -X POST 'https://api.elysiatools.com/de/api/tools/html-to-pdf-renderer' \
  -F 'htmlContent=<h1 style='color:#1f2937'>Browser Mode</h1><p>Sample layout.</p>' \
  -F 'htmlFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
  -F 'url=https://example.com' \
  -F 'baseUrl=https://example.com/docs/' \
  -F 'cssContent=body { font-family: Arial, sans-serif; }' \
  -F 'renderMode=browser' \
  -F 'pageSize=A4' \
  -F 'landscape=false' \
  -F 'printBackground=true' \
  -F 'scale=1' \
  -F 'marginTop=20' \
  -F 'marginBottom=20' \
  -F 'marginLeft=20' \
  -F 'marginRight=20' \
  -F 'fontSize=12' \
  -F 'lineHeight=1.5' \
  -F 'mediaType=print' \
  -F 'waitUntil=load' \
  -F 'waitTime=0'