add request validation to API endpoint
add request validation to API endpoint

daande/slanger,ambrish123456/testSlanger,carlos-ramos-mojix-com/slanger,shaicoleman/slanger,notnoopci/slanger,daande/slanger,amvse/slanger,markburns/slanger,loggator/slanger,notnoopci/slanger,stevegraham/slanger,stevegraham/slanger,ambrish123456/testSlanger,shaicoleman/slanger,amvse/slanger,loggator/slanger,carlos-ramos-mojix-com/slanger,markburns/slanger