From Longman Dictionary of Contemporary Englishpay something ↔ in (also pay something into something) phrasal verbBFBto put money in your bank account etc Did you remember to pay that cheque in? I’ve paid $250 into my account. → pay→ See Verb table
Examples from the Corpus
pay in• Of course we are speaking of those cases where the state is not put to an action if the citizen refuses to pay.• Officials said Wednesday that approach had paid off.• Perhaps; but on the other hand, if insurers are forced to accept bad risks, somebody has to pay.• Drabek and Swindell are both in the final year of four-year contracts that pay them in excess of $ 4 million.• According to Mr Nichol, such a deal could increase pay rates in London by 30 percent and elsewhere by 20 percent.• Enabling the children to make choices pays off in many ways.• It wasn't permitted to take incoming calls on the pay phone in the hallway of the hotel.• They embrace the cost of experimentation, viewing it as an investment likely to pay off in the long run.From Longman Business Dictionarypay something in (also pay something into something) phrasal verb [transitive]BANKING to put money into your bank account etcDid you remember to pay that cheque in?I’ve paid $250 into my account. → pay→ See Verb table 