
Scan and Analyse URLs.
URLScan.io API is a free Anti-Malware API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
urlscan is a web-based platform to investigate malicious websites and domains.
Details from urlscan.io.

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.
Scan URLs in a sandboxed browser and search past scans by domain, IP, ASN, JARM or favicon hash
IP/domain/URL reputation
Yes. The URLScan.io API is listed in the Anti-Malware 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.
Yes. The URLScan.io API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the URLScan.io API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The URLScan.io API is served over HTTPS, so it's safe to use in production.