Kinsta

The candidate, Kinsta, is a WordPress hosting provider and offers application and database hosting. While it mentions payment options for its own services (credit/debit cards, ACH, wire transfers), it does not provide payment processing services for other businesses. It also offers an API, but this API is for managing Kinsta's hosting services, not for integrating payment processing functionalities into other applications. Therefore, none of the features related to payment processing, developer APIs for payments, billing/subscription management for external services, or fraud detection are present.