How can we help?

Search the docs or browse by topic. Most answers are a click away.

Install an SDK and validate your first purchase.

iOS, Android, React Native, Flutter, and Web.

Build, publish, and experiment with paywalls.

Apple & Google validation and server notifications.

Events, signatures, and the REST API.

Deploy and operate CashSDK yourself.

Understand tracked revenue and plan limits.

Data handling, compliance, and best practices.

Still stuck?

Our team is happy to help you get unblocked.

Take back control of your revenue

Start free in the cloud, or self-host the whole platform. Your purchase data, your rules.