Glassfy - Build, manage, and grow in-app subscriptions. Glassfy is the infrastructure (open source SDK, backend, dashboard) to integrate subscriptions in minutes, manage products & permissions remotely, check real time metrics, and remotely configure paywalls.

MyBrocard - Brocard allows you to create an unlimited number of virtual cards for paying for advertising and other online payments, manage a team of buyers, choose from 20+ bins for various tasks, and enjoy convenient API for integrations.

RevenueCat - In-app subscriptions made easy

PST.NET - Virtual payment cards for online shopping and advertising

Qonversion - The subscription data platform for mobile-first companies

Coinramp - The Coinramp Card lets you ‍spend over 10+ cryptocurrencies like cash, online, in-stores and ATM withdrawals. Available in 100+ countries, no ID needed. Anonymous Crypto Cards