shutterstock
Stock Photos and Videos

Image management solutions like optimization, manipulation, hosting.
Sirv API is a free Photography API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
Use the Sirv REST API to automate your image, video and 360 spin processing and management. Create robust workflows with more than 50 API methods
Details from apidocs.sirv.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.
Stock Photos and Videos
Photo optimization
The Sirv API is provided by Sirv REST API Documentation (apidocs.sirv.com). Use the Sirv REST API to automate your image, video and 360 spin processing and management. Create robust workflows with more than 50 API methods
Yes. The Sirv API is listed in the Photography 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 Sirv API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the Sirv API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Sirv API is served over HTTPS, so it's safe to use in production.