Electronic Transactions Association | 14,616 followers on LinkedIn. The world’s leading advocacy and trade association for the payments industry. Producer of TRANSACT. | ETA is the world’s leading advocacy and trade association for the payments industry. Our members span the breadth of significant payments and fintech companies, from the largest incumbent players to the emerging disruptors in the U.S. and in more than a dozen countries around the world. Become a member to connect with our network of payment professionals.