DEBUG: wp_remote_get to https://api.digitalmedia.hhs.gov/api/v2/resources/media/searchResults.json?q=mental DEBUG: arguments: Array
[timeout] => 5
DEBUG: error getting URL: cURL error 28: Operation timed out after 5000 milliseconds with 0 bytes received DEBUG: no data received: check url of json-feed EMPTY api-answer: No JSON received – is the API down? Check the API-URL in the Block-Settings, please.
Use “/json-content-importer/json/gutenbergblockexample1.json” as example. You might switch on the debugmode on the right side.