This will return the frame between start and end that is closest to start (inclusive). If start is specified but not end, end will default to the current time.
Normally the frame service may cache the results of a request so that a following request for the same frame is faster. When archiving a frame source, this is not preferred. To indicate that caching should be disabled, use:
This will improve the overall responsiveness of the frame source.
On success, the server will respond with status code 200. The response body contains the image data.