The Fast Find search box has been updated to display a message when the maximum length of the text searched exceeds the restricted 150 characters. The same limitation is applied to the REST API call. This is to ensure consistent and performant searching.
ATS User Interface Error: The search text is truncated or limited to 150 characters and the user is informed about the limitation with a message as shown in the screenshot below.
REST API Error: Error 400 is returned to the user if the search text is longer than 150 characters and the search is not executed. The message returned is: “Operation not supported: please limit your search to less than 150 characters”