In this documentation, you’ll find some of our demos. Each demo includes setup instructions and showcases a different use case.

Hosted Checkout – TypeScriptCopied!

• Description: End-to-end demo built with OpenPay’s TypeScript SDK for creating customers and redirecting them to OpenPay’s hosted checkout page using

• Tech stack: Express, TypeScript

• Key features:

  • Create customer

  • Generate hosted checkout session

  • Handle return/success URLs

• Repository: OpenPay’s Hosted Checkout Example

One-Time Invoices Generator (Overage Billing via REST API)Copied!

• Description: Shows how to create a one-time invoice by combining product, price, and invoice creation via OpenPay’s REST API calls using Axios.

• Tech stack: JavaScript, OpenPay API.

• Key features:

  • Create a product and price dynamically

  • Generate a one-time invoice (overage or add-on billing)

  • Works with licensed (non-metered) usage

• Repository: OpenPay’s One-Time Invoice Generator Example (REST API)

One-Time Invoices Generator (Overage Billing with TypeScript SDK)Copied!

• Description: End-to-end demo for programmatically charging a customer for extra usage using OpenPay’s TypeScript SDK.

• Tech stack: TypeScript + @getopenpay/client - TypeScript SDK

• Key features:

  • Uses the OpenPay SDK to create products and prices

  • Pulls the customer’s stored payment method

  • Finalizes and auto-charges a one-time invoice

• Repository: OpenPay’s One-Time Generator Example (TypeScript SDK)