A free, RESTful API used to screenshot any desktop, or mobile website.
SavePage.io 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.
Free RESTful API to capture website screenshots. Desktop and mobile viewports, PNG and JPEG output, full page or viewport crop.
Details from savepage.io.

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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.
Returns RSS feed in JSON format using feed URL
The SavePage.io API is provided by SavePage.io (savepage.io). Free RESTful API to capture website screenshots. Desktop and mobile viewports, PNG and JPEG output, full page or viewport crop.
Yes. The SavePage.io 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 SavePage.io API uses apiKey authentication, so you need to register for credentials before making requests.
Yes. The SavePage.io API supports CORS, so front-end JavaScript can call it directly.
Yes. The SavePage.io API is served over HTTPS, so it's safe to use in production.