Interchecks, a leading instant payments platform serving sportsbooks, fintechs, and financial institutions, announced a $50 million Series C led by Bettor Capital, Commerce Ventures, Decades Holdings, and Thayer Street Partners. Alongside the raise, the company announced the general availability of Account Funding Transactions that enables businesses to fund eligible accounts using debit credentials, with transaction processing designed to support fast, secure funding experiences. This expands Interchecks' platform to cover the full lifecycle of money movement for its client.