Retrieves a Block object using the ID specified.
If a block contains the key
has_children: true, use the Retrieve block children endpoint to get the list of children
This endpoint requires an integration to have read content capabilities. Attempting to call this API without read content capabilities will return an HTTP response with a 403 status code. For more information on integration capabilities, see the capabilities guide.
Returns a 404 HTTP response if the block doesn't exist, or if the integration doesn't have access to the block.
Returns a 400 or 429 HTTP response if the request exceeds the request limits.