I tried to use the service and got error 500. Here is the full request that led to the error:

  curl 'https://vidiopintar.com/api/videos/E4WlUXrJgy4/regenerate-summary' \
    -X 'POST' \
    -H 'accept: */*' \
    -H 'accept-language: en-US,en;q=0.9,ru;q=0.8' \
    -H 'cache-control: no-cache' \
    -H 'content-length: 0' \
    -H 'dnt: 1' \
    -H 'origin: https://vidiopintar.com' \
    -H 'pragma: no-cache' \
    -H 'priority: u=1, i' \
    -H 'referer: https://vidiopintar.com/video/E4WlUXrJgy4' \
    -H 'sec-ch-ua: "Chromium";v="137", "Not/A)Brand";v="24"' \
    -H 'sec-ch-ua-mobile: ?0' \
    -H 'sec-ch-ua-platform: "macOS"' \
    -H 'sec-fetch-dest: empty' \
    -H 'sec-fetch-mode: cors' \
    -H 'sec-fetch-site: same-origin' \
    -H 'user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36'