Here's a sample request and response.
curl --location '127.0.0.1:8000/process/' \
--header 'Content-Type: application/json' \
--data-raw '{"url": "https://news.ycombinator.com/item?id=40224213",
"prompt": "Extract 20 jobs",
"xpath": "//div[@class='\''comment'\'']",
"fields": {
"company_name": "str",