curl --request POST \
  --url https://convertly.sh/api/media/image-to-pdf \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form 'files=<string>' \
  --form pageSize=auto \
  --form 'sourceUrl=<string>' \
  --form async=false \
  --form files.items='@example-file'

{
  "files": [
    {
      "filename": "<string>",
      "mimeType": "<string>",
      "originalSize": 123,
      "finalSize": 123,
      "downloadUrl": "<string>"
    }
  ]
}