- Error Codes
1000 - YTMND API is currently unavailable. 1010 - Search engine is currently unavailable. 1100 - Unknown return format requested (available formats are xml,phps,json,js). 1101 - Requested JS format but required callback function was not specified. 1200 - No user was given to perform a lookup on. 1201 - User Id specified but was 0. 1202 - User Name array was specified but empty. 1205 - Requested an exclusive request type for multiple users. 1206 - Invalid user interface request type. 1500 - No site was given to perform a lookup on. 1501 - Site Id specified but was 0. 1502 - Site domain array was specified but empty. 1505 - Request method limits exceeded. 1506 - Invalid site interface request type.