GroupDocs.Watermark Cloud สำหรับ cURL

curl -v "https://api.groupdocs.cloud/v1.0/watermark" \
  -X POST \
  -H "Content-Type: application/json" \
  -H "Accept: application/json" \
  -H "Authorization: Bearer " \
  -d "{
      "FileInfo": {
          "FilePath": "documents\\sample.pdf",
      },
      "WatermarkDetails": [
          {
              "TextWatermarkOptions": {
                  "Text": "Watermark text",
                  "FontFamilyName": "Arial",
                  "FontSize": 20.0,
                  "ForegroundColor": {
                      "Name": "red"
                  },
                  "TextAlignment": "center"
              },
              "Position": {
                  "X": 0.0,
                  "Y": 0.0,
                  "Width": 0.0,
                  "Height": 0.0,
                  "HorizontalAlignment": "Center",
                  "RotateAngle": 0.0,
                  "ConsiderParentMargins": false,
                  "IsBackground": false
              }
          }
      ]
  }"