Server-side validation you can trust
Verify every Apple and Google receipt on your own servers, with signature checks, replay protection, and fraud signals — before you unlock anything.
Receipt validation
Never trust a client-reported purchase again
CashSDK validates purchases end-to-end and becomes the single source of truth for entitlements.
Signature verification
Cryptographically verify App Store and Play receipts.
Replay protection
Detect reused and tampered receipts before granting access.
Fraud signals
Flag anomalous purchase patterns and sandbox abuse.
Server notifications
Ingest App Store & Play server notifications automatically.
Source of truth
One canonical purchase record, reconciled with the stores.
On your infra
Run validation entirely within your own environment.
Defense in depth
From receipt to entitlement, verified
Purchases flow from the stores through CashSDK's validation pipeline and land as a trustworthy entitlement — never a client boolean you have to hope is honest.
- Apple & Google verification
- Automatic server-to-server notifications
- Idempotent, auditable records
Take back control of your revenue
Start free in the cloud, or self-host the whole platform. Your purchase data, your rules.