
Screen order information using AI to detect frauds.
FraudLabs Pro API is a free Security API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
FraudLabs Pro Rest API to screen the order transaction for online fraud.
Details from fraudlabspro.com.

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Yes. The FraudLabs Pro 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.
Yes. The FraudLabs Pro API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the FraudLabs Pro API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The FraudLabs Pro API is served over HTTPS, so it's safe to use in production.