# Polar > ## Documentation Index ## Pages - [null](acceptable-use.md): ## Documentation Index - [null](account-reviews.md): ## Documentation Index - [Setup a Payout Account](accounts.md): ## Documentation Index - [Activate License Key](activate.md): ## Documentation Index - [Affonso Affiliates with Polar](affonso.md): ## Documentation Index - [How to allow multiple subscriptions per customer](allow-multiple-subscriptions-per-customer.md): ## Documentation Index - [Analytics](analytics.md): ## Documentation Index - [API Changelog](api.md): ## Documentation Index - [Assign Seat](assign.md): ## Documentation Index - [Astro](astro.md): ## Documentation Index - [Authentication](authentication.md): ## Documentation Index - [Authorize](authorize.md): ## Documentation Index - [How to automatically share links to customers after purchase](automate-post-purchase-link-sharing.md): ## Documentation Index - [Account Balance & Transparent Fees](balance.md): ## Documentation Index - [benefit.created](benefitcreated.md): ## Documentation Index - [benefit.updated](benefitupdated.md): ## Documentation Index - [benefit_grant.created](benefit-grantcreated.md): ## Documentation Index - [benefit_grant.cycled](benefit-grantcycled.md): ## Documentation Index - [benefit_grant.revoked](benefit-grantrevoked.md): ## Documentation Index - [benefit_grant.updated](benefit-grantupdated.md): ## Documentation Index - [BetterAuth](better-auth.md): ## Documentation Index - [Billing](billing.md): ## Documentation Index - [Cancel Subscription](cancel.md): ## Documentation Index - [How to Change Account Email (as a Merchant)](change-email-as-merchant.md): ## Documentation Index - [checkout.created](checkoutcreated.md): ## Documentation Index - [checkout.updated](checkoutupdated.md): ## Documentation Index - [Claim Seat](claim.md): ## Documentation Index - [Complete File Upload](complete-upload.md): ## Documentation Index - [Confirm Checkout Session from Client](confirm-session-from-client.md): ## Documentation Index - [OAuth 2.0 Connect](connect.md): ## Documentation Index - [Cost Events](cost-events.md): ## Documentation Index - [Cost Traces](cost-traces.md): ## Documentation Index - [How to Create Checkout Session](create-checkout-session.md): ## Documentation Index - [How to Create Multiple Organizations](create-multiple-organizations.md): ## Documentation Index - [Create Checkout Session](create-session.md): ## Documentation Index - [How to create product variants](create-variants.md): ## Documentation Index - [Create Benefit](create.md): ## Documentation Index - [Credits Benefit](credits.md): ## Documentation Index - [Custom Fields](custom-fields.md): ## Documentation Index - [Custom Benefit](custom.md): ## Documentation Index - [Customer Management](customer-management.md): ## Documentation Index - [Customer Portal](customer-portal.md): ## Documentation Index - [Customer State](customer-state.md): ## Documentation Index - [customer.created](customercreated.md): ## Documentation Index - [customer.deleted](customerdeleted.md): ## Documentation Index - [customer.state_changed](customerstate-changed.md): ## Documentation Index - [customer.updated](customerupdated.md): ## Documentation Index - [customer_seat.assigned](customer-seatassigned.md): ## Documentation Index - [customer_seat.claimed](customer-seatclaimed.md): ## Documentation Index - [customer_seat.revoked](customer-seatrevoked.md): ## Documentation Index - [How to Customize Benefits Order in Checkouts](customize-benefits-order-in-checkouts.md): ## Documentation Index - [How to Customize Products Order in Checkouts](customize-products-order-in-checkouts.md): ## Documentation Index - [Deactivate License Key](deactivate.md): ## Documentation Index - [Delete Customer by External ID](delete-external.md): ## Documentation Index - [Delete Benefit](delete.md): ## Documentation Index - [Handle & monitor webhook deliveries](delivery.md): ## Documentation Index - [Delta Time Strategy](delta-time-strategy.md): ## Documentation Index - [Deno](deno.md): ## Documentation Index - [How to disable email editing in checkout](disable-email-editing-in-checkout.md): ## Documentation Index - [How to disable subscription upgrades/downgrades in customer portal](disable-subscription-changes-in-customer-portal.md): ## Documentation Index - [Automate Discord Invites & Roles](discord-access.md): ## Documentation Index - [Discounts](discounts.md): ## Documentation Index - [Elysia](elysia.md): ## Documentation Index - [Embedded Checkout](embed.md): ## Documentation Index - [Setup Webhooks](endpoints.md): ## Documentation Index - [Event Ingestion](event-ingestion.md): ## Documentation Index - [Webhook Events](events.md): ## Documentation Index - [Express](express.md): ## Documentation Index - [Fastify](fastify.md): ## Documentation Index - [Fees](fees.md): ## Documentation Index - [Polar Integration in Fernand](fernand.md): ## Documentation Index - [Automate Customer File Downloads](file-downloads.md): ## Documentation Index - [Polar for Framer](framer.md): ## Documentation Index - [Get Activation](get-activation.md): ## Documentation Index - [Get Claim Info](get-claim-info.md): ## Documentation Index - [Get Customer](get-customer.md): ## Documentation Index - [Get Customer by External ID](get-external.md): ## Documentation Index - [Get Order Invoice](get-invoice.md): ## Documentation Index - [Get Metrics Limits](get-limits.md): ## Documentation Index - [Get Organization](get-organization.md): ## Documentation Index - [Get Meter Quantities](get-quantities.md): ## Documentation Index - [Get Checkout Session from Client](get-session-from-client.md): ## Documentation Index - [Get Checkout Session](get-session.md): ## Documentation Index - [Get User Info](get-user-info.md): ## Documentation Index - [Get Benefit](get.md): ## Documentation Index - [Automate Private GitHub Repo(s) Access](github-access.md): ## Documentation Index - [Go SDK](golang.md): ## Documentation Index - [How to Grant Meter Credits After Purchase](grant-meter-credits-after-purchase.md): ## Documentation Index - [How to Grant Meter Credits Before Purchase](grant-meter-credits-before-purchase.md): ## Documentation Index - [Hono](hono.md): ## Documentation Index - [Ingest Events](ingest.md): ## Documentation Index - [Strategy Introduction](ingestion-strategy.md): ## Documentation Index - [API Overview](introduction.md): ## Documentation Index - [Introspect Token](introspect-token.md): ## Documentation Index - [Integrate Polar with Laravel](laravel.md): ## Documentation Index - [Automate Customer License Key Management](license-keys.md): ## Documentation Index - [Checkout Links](links.md): ## Documentation Index - [List Benefit Grants](list-grants.md): ## Documentation Index - [List Checkout Sessions](list-sessions.md): ## Documentation Index - [List Claimed Subscriptions](list-subscriptions.md): ## Documentation Index - [List Benefits](list.md): ## Documentation Index - [LLM Strategy](llm-strategy.md): ## Documentation Index - [Polar over Model Context Protocol (MCP)](mcp.md): ## Documentation Index - [Meters](meters.md): ## Documentation Index - [Migrate to Polar](migrate.md): ## Documentation Index - [Integrate Polar with Next.js](nextjs.md): ## Documentation Index - [Nuxt](nuxt.md): ## Documentation Index - [order.created](ordercreated.md): ## Documentation Index - [order.paid](orderpaid.md): ## Documentation Index - [order.refunded](orderrefunded.md): ## Documentation Index - [order.updated](orderupdated.md): ## Documentation Index - [Orders & Subscriptions](orders.md): ## Documentation Index - [organization.updated](organizationupdated.md): ## Documentation Index - [Purchase Power Parity with ParityDeals](paritydeals.md): ## Documentation Index - [Update Order](patch.md): ## Documentation Index - [Payouts](payouts.md): ## Documentation Index - [PHP SDK](php.md): ## Documentation Index - [Generate Order Invoice](post-invoice.md): ## Documentation Index - [product.created](productcreated.md): ## Documentation Index - [product.updated](productupdated.md): ## Documentation Index - [Products](products.md): ## Documentation Index - [Proration for Subscription Upgrades and Downgrades](proration-for-subscription-changes.md): ## Documentation Index - [Python SDK](python.md): ## Documentation Index - [Polar for Raycast](raycast.md): ## Documentation Index - [Product Updates](recent.md): ## Documentation Index - [refund.created](refundcreated.md): ## Documentation Index - [refund.updated](refundupdated.md): ## Documentation Index - [Manage Refunds](refunds.md): ## Documentation Index - [Remix](remix.md): ## Documentation Index - [Request Token](request-token.md): ## Documentation Index - [Resend Invitation](resend.md): ## Documentation Index - [Revoke Token](revoke-token.md): ## Documentation Index - [Revoke Seat](revoke.md): ## Documentation Index - [S3 Strategy](s3-strategy.md): ## Documentation Index - [Sandbox Environment](sandbox.md): ## Documentation Index - [How to schedule subscription downgrades with Upstash QStash](schedule-subscription-downgrades-qstash.md): ## Documentation Index - [Seat-Based Pricing](seat-based-pricing.md): ## Documentation Index - [Checkout API](session.md): ## Documentation Index - [Create an OAuth 2.0 Client](setup.md): ## Documentation Index - [Get Customer State by External ID](state-external.md): ## Documentation Index - [Get Customer State](state.md): ## Documentation Index - [Stream Strategy](stream-strategy.md): ## Documentation Index - [How to perform subscription downgrades](subscription-downgrades.md): ## Documentation Index - [How to perform subscription upgrades](subscription-upgrades.md): ## Documentation Index - [subscription.active](subscriptionactive.md): ## Documentation Index - [subscription.canceled](subscriptioncanceled.md): ## Documentation Index - [subscription.created](subscriptioncreated.md): ## Documentation Index - [subscription.revoked](subscriptionrevoked.md): ## Documentation Index - [subscription.uncanceled](subscriptionuncanceled.md): ## Documentation Index - [subscription.updated](subscriptionupdated.md): ## Documentation Index - [Supabase](supabase.md): ## Documentation Index - [Support](support.md): ## Documentation Index - [null](supported-countries.md): ## Documentation Index - [Sveltekit](sveltekit.md): ## Documentation Index - [TanStack Start](tanstack-start.md): ## Documentation Index - [How to Switch Checkout Theme](theme-switch-in-checkout.md): ## Documentation Index - [Trials](trials.md): ## Documentation Index - [TypeScript SDK](typescript.md): ## Documentation Index - [Update Product Benefits](update-benefits.md): ## Documentation Index - [Update Customer by External ID](update-external.md): ## Documentation Index - [Update Checkout Session from Client](update-session-from-client.md): ## Documentation Index - [Update Checkout Session](update-session.md): ## Documentation Index - [Update Benefit](update.md): ## Documentation Index - [Validate License Key](validate.md): ## Documentation Index - [Polar for Zapier](zapier.md): ## Documentation Index