# BillingOS

## Docs

- [Accept a payment](https://docs.billingos.dev/guides/accept-a-payment.md): Process your first payment using the checkout modal or the checkout API.
- [Gate features](https://docs.billingos.dev/guides/gate-features.md): Control access to features based on subscription plan.
- [Go live checklist](https://docs.billingos.dev/guides/go-live-checklist.md): Everything you need to check before accepting real payments.
- [Manage subscriptions](https://docs.billingos.dev/guides/manage-subscriptions.md): Add a self-service portal where customers manage their billing.
- [Session tokens](https://docs.billingos.dev/guides/session-tokens.md): How BillingOS authenticates your customers without requiring a separate login.
- [Show a pricing page](https://docs.billingos.dev/guides/show-a-pricing-page.md): Display your plans with a single component. Customize layout, toggle monthly/yearly, and handle plan selection.
- [Track usage](https://docs.billingos.dev/guides/track-usage.md): Track metered usage for quota-based billing and feature limits.
- [Upgrade nudges](https://docs.billingos.dev/guides/upgrade-nudges.md): Automatically prompt users to upgrade when they approach plan limits.
- [Welcome to BillingOS](https://docs.billingos.dev/index.md): Add billing, subscriptions, and payments to your app in minutes — not months.
- [Quickstart](https://docs.billingos.dev/quickstart.md): Accept your first payment in under 5 minutes.
- [BillingOSClient](https://docs.billingos.dev/sdk/client.md): Low-level API client for advanced use cases and custom integrations.
- [CheckoutModal](https://docs.billingos.dev/sdk/components/checkout-modal.md): Secure, iframe-based checkout modal for processing payments.
- [CustomerPortal](https://docs.billingos.dev/sdk/components/customer-portal.md): Self-service portal for subscription management, invoices, and payment methods.
- [FeatureGate](https://docs.billingos.dev/sdk/components/feature-gate.md): Show or hide content based on a user's plan entitlements.
- [PricingTable](https://docs.billingos.dev/sdk/components/pricing-table.md): Display your products as a pricing page with built-in checkout.
- [UpgradeNudge](https://docs.billingos.dev/sdk/components/upgrade-nudge.md): Automated upgrade prompts triggered when users approach plan limits.
- [UpgradePrompt](https://docs.billingos.dev/sdk/components/upgrade-prompt.md): Manual upgrade call-to-action component for placement anywhere in your app.
- [UsageDisplay](https://docs.billingos.dev/sdk/components/usage-display.md): Show usage progress bars for metered features.
- [useCheckout](https://docs.billingos.dev/sdk/hooks/use-checkout.md): Programmatic checkout for custom payment flows.
- [useEntitlements](https://docs.billingos.dev/sdk/hooks/use-entitlements.md): Check entitlements, verify feature access, and monitor usage limits.
- [useFeature](https://docs.billingos.dev/sdk/hooks/use-feature.md): Check feature access and manage feature gating in your UI.
- [useProducts](https://docs.billingos.dev/sdk/hooks/use-products.md): Fetch products and pricing data for custom pricing UIs.
- [useSubscription](https://docs.billingos.dev/sdk/hooks/use-subscription.md): Hooks for fetching and managing subscriptions.
- [useTrackUsage](https://docs.billingos.dev/sdk/hooks/use-track-usage.md): Track usage events and view usage metrics for metered features.
- [Installation](https://docs.billingos.dev/sdk/installation.md): Install the BillingOS SDK in your project.
- [React SDK overview](https://docs.billingos.dev/sdk/overview.md): Pre-built React components and hooks for billing, subscriptions, and payments.
- [BillingOSProvider](https://docs.billingos.dev/sdk/provider.md): The provider component that connects the SDK to your app.
- [Customers](https://docs.billingos.dev/server-sdk/customers.md): Create and manage customer records server-side.
- [Entitlements](https://docs.billingos.dev/server-sdk/entitlements.md): Check feature access from your server for secure feature gating.
- [Node SDK overview](https://docs.billingos.dev/server-sdk/overview.md): Server-side SDK for session tokens, entitlements, and usage tracking.
- [Session tokens](https://docs.billingos.dev/server-sdk/session-tokens.md): Create and manage session tokens for authenticating customers.
- [Subscriptions](https://docs.billingos.dev/server-sdk/subscriptions.md): Create and manage subscriptions server-side.
- [Usage tracking](https://docs.billingos.dev/server-sdk/usage.md): Track metered usage from your server for reliable billing.

## Optional

- [GitHub](https://github.com/tranquilitybase07/billingos)