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Encrypting & decrypting text messages

Provides data of offenders from all U.S. States and Pureto Rico.
Complete Criminal Checks API is a free Security API that requires apiKey authentication, is served over HTTPS and supports CORS, so it can be called from the browser.
Integrate criminal background checks into your application! Get 25 free credits on signup. Simple REST API with JSON responses.
Details from completecriminalchecks.com.

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Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Encrypting & decrypting text messages
Screen crypto addresses, emails, websites, IDs and countries against OFAC, EU, UK sanctions lists
CISA KEV catalog of actively exploited CVEs as JSON, filterable by vendor, with CWE and due dates
The Complete Criminal Checks API is provided by Complete Criminal Checks (completecriminalchecks.com). Integrate criminal background checks into your application! Get 25 free credits on signup. Simple REST API with JSON responses.
Yes. The Complete Criminal Checks 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 Complete Criminal Checks API uses apiKey authentication, so you need to register for credentials before making requests.
Yes. The Complete Criminal Checks API supports CORS, so front-end JavaScript can call it directly.
Yes. The Complete Criminal Checks API is served over HTTPS, so it's safe to use in production.