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The CashSDK blog

Engineering deep-dives, growth playbooks, and notes from building an open, self-hosted IAP platform.

Why we built CashSDK

In-app purchases shouldn't mean handing your revenue data to a black box. Here's the case for a self-hosted IAP platform.

Client-reported purchases are a liability. Here's how to validate Apple and Google receipts the right way.

Small changes to the paywall move revenue more than most features. Here's how to test them rigorously.

Moving off a hosted IAP vendor sounds scary. With a dual-write window, nobody loses access.

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