BrewPage
Free hosting for HTML, JSON, key-value, files, multi-file sites with short URLs and TTL retention
Easily make screenshots of web pages in any screen size, as any device.
Browshot API is a free Development API that requires apiKey authentication, is served over HTTPS and supports CORS, so it can be called from the browser.
Full API to take screenshots of any website. Download one of the libraries to get started.
Details from browshot.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.
Free hosting for HTML, JSON, key-value, files, multi-file sites with short URLs and TTL retention
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Chart image API: turn a URL into a PNG or SVG chart (bar, line, area, scatter, pie, donut, stacked)
The Browshot API is provided by Browshot (browshot.com). Full API to take screenshots of any website. Download one of the libraries to get started.
Yes. The Browshot 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.
Yes. The Browshot API uses apiKey authentication, so you need to register for credentials before making requests.
Yes. The Browshot API supports CORS, so front-end JavaScript can call it directly.
Yes. The Browshot API is served over HTTPS, so it's safe to use in production.