google pay help? could it be cheating?

can someone tell me how google pay works thru txting? like if you were to send money to someone thru txt. my husband has 5 unsaved numbers and all the headlines are confirming his payment from google. the numbers are area coded in the state that i live in. so im thinking that hes sending money to all those people that idk of. he does use the samsung google pay, debit card app.