Paymentus 

Paymentus Holdings Inc provides electronic bill presentment and payment services, enterprise customer communication and self-service revenue management to billers through a Software-as-a-Service (SaaS), secure, omni-channel technology platform. The platform integrates with a biller's financial and operational systems to provide secure and flexible processing of payments, including credit cards, debit cards, eChecks, and digital wallets, across multiple channels such as online, mobile, IVR, call centers, chatbots, and voice-based assistants. The company generates the majority of its revenue from payment transaction fees processed through its platform. Geographically, it derives the maximum revenue from the United States.