Sentage Holdings operates as a licensed third-party payment service provider in China, primarily offering prepaid payment network services through its operating entities. The company issues and manages prepaid cards, processes offline prepaid transactions, and operates payment networks that serve merchants, cardholders, and financial institutions seeking alternative payment solutions. Revenue is generated through transaction-based service fees, prepaid card processing charges, and network operations, with income flowing to the parent company through exclusive business cooperation agreements structured via VIE contractual arrangements.