Top 2 Payment Gateways SaaS Companies Under $1M Revenue (November 2026)

What Payment Gateways SaaS Companies do

Payment gateways are technology platforms that facilitate electronic financial transactions between customers, merchants, and financial institutions. They serve as intermediaries, ensuring secure and efficient processing of payment data from the point of sale to the payment processor and back. Primarily used for online and in-person purchases, these systems support various payment methods including credit and debit cards, as well as digital wallets. The key functionalities of payment gateways include transaction authorization, encryption of sensitive data to ensure security, and providing seamless integration with e-commerce platforms. Typical users of payment gateways include businesses of all sizes – ranging from small businesses to large enterprises – as well as online retailers, service providers, and any entity that requires efficient payment processing. The buyer personas often consist of finance and accounting teams, e-commerce managers, and IT professionals responsible for payment infrastructure.