
Smithsonian collection metadata and open-access digital media.
Smithsonian Open Access API is a free Art & Design API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
Python module to query the Smithsonian Institution Open Access API
Details from github.com.

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The Smithsonian Open Access API is provided by Smithsonian (github.com). Python module to query the Smithsonian Institution Open Access API
Yes. The Smithsonian Open Access API is listed in the Art & Design 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 Smithsonian Open Access API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the Smithsonian Open Access API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Smithsonian Open Access API is served over HTTPS, so it's safe to use in production.