POST /tasks HTTP/1.1
Accept: application/vnd.api+json
Content-Type: application/vnd.api+json

{
  "data": {
    "type": "tasks",
    "attributes": {
      "format": {
        "input": "image/png",
        "output": "image/avif"
      }
      "settings": {
        "optimize": True
      }
    },
    "relationships": {
      "input": {
        "data": {
          "type": "files",
          "id": "<string>"
        }
      }
    }
  }
}