how do you endorse a check 
simply by signing it on the back that s the short answer to how to endorse a check that said there are several variations on the check endorsement theme if you just scrawl your signature on the reverse it s known as a blank endorsement and anyone can present the check for payment if you add the words for deposit only beneath your signature a special endorsement it limits the check funds to being put into an account if you further add an account number a restrictive endorsement it limits the check from going to a specific account in this era of digital banking many institutions require checks to be marked as mobile deposits when you endorse them for further security the bottom linean endorsement is an amendment or special clause to a document or contract an authorizing signature or a public declaration of support specific types include insurance signature and license endorsements endorsements also have a commercial meaning when someone often a celebrity or public figure is paid to promote or support a product this sort of endorsement is centuries old evolving into the social media influencers of contemporary times 