Virushee file/data scanning.
Virushee API is a free Security API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.

Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Threat intelligence: incident clusters, validated IOCs, CVEs, ransomware leak-site victims
Yes. The Virushee API is listed in the Security category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
No. The Virushee API requires no authentication, so you can start making requests without signing up.
Yes. The Virushee API supports CORS, so front-end JavaScript can call it directly.
Yes. The Virushee API is served over HTTPS, so it's safe to use in production.