Payments overview
Stripe, Polar, Creem, and Dodo adapters, subscription shapes, and configuration in simulacrum.config.ts.
Providers
Simulacrum targets four billing providers:
- Stripe
- Polar
- Creem
- Dodo
Set payments.provider and provider-specific keys in environment variables.
Subscriptions
Support monthly, yearly, and one-time purchases. Plan switching UI covers upgrade and downgrade with proration rules defined per provider.
Billing portal
Stripe Customer Portal integration lets customers manage cards and invoices. Map portal return URLs to your app’s account pages.
Paywall
Use the <Paywall> component to gate routes or sections by active plan. See Paywall component.
Use test mode keys in preview deployments and rotate webhook secrets per environment.