ChartBytes
Chart image API: turn a URL into a PNG or SVG chart (bar, line, area, scatter, pie, donut, stacked)

Secure random string generator.
Ciprand API is a free Development API that requires no API key, is served over HTTPS and does not support CORS, so it should be called from a server.
random string generator API.
Details from github.com.

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.
Chart image API: turn a URL into a PNG or SVG chart (bar, line, area, scatter, pie, donut, stacked)
Live public web data as JSON: Google Search, Maps, News, Amazon, jobs, reviews & more, one API key
The Ciprand API is provided by polarspetroll (github.com). random string generator API.
Yes. The Ciprand API is listed in the Development 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 Ciprand API requires no authentication, so you can start making requests without signing up.
Not directly. The Ciprand API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Yes. The Ciprand API is served over HTTPS, so it's safe to use in production.