bartering

/B AA1 R T ER0 IH0 NG/
verb
  1. 1

    To exchange goods or services without involving money.

    โ€œShe bartered a bonsai for one of the rare books in my library.โ€

noun
  1. 1

    Barter

Source: https://en.wiktionary.org/wiki/barter, https://en.wiktionary.org/wiki/bartering