Инструмент Угловых Водяных Знаков

# 1) Request a presigned URL → returns { uploadUrl, storageKey }
curl -X POST 'https://api.elysiatools.com/api/upload/presign/image-watermark-corner' \
  -H 'Content-Type: application/json' \
  -d '{"filename":"imageFile.ext","contentType":"application/octet-stream","size":12345}'
curl -X POST 'https://api.elysiatools.com/api/upload/presign/image-watermark-corner' \
  -H 'Content-Type: application/json' \
  -d '{"filename":"watermarkImageFile.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/ru/api/tools/image-watermark-corner' \
  -F 'imageFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
  -F 'watermarkImageFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
  -F 'cornerPositions=bottom-right' \
  -F 'scale=0.2' \
  -F 'opacity=0.7' \
  -F 'rotation=0' \
  -F 'margin=20' \
  -F 'offsetX=0' \
  -F 'offsetY=0' \
  -F 'blendMode=over' \
  -F 'mirrorCorners=false' \
  -F 'rotateCorners=false' \
  -F 'autoSize=false'