Guides

Step-by-step guides for common tasks with the SGPayNowQR API.

• Choosing a Payment Type: UEN vs Mobile vs VPA

  When to use UEN, mobile number, or VPA when generating a Singapore PayNow QR code, with a complete request example for each.

• Handling Errors and Rate Limits

  Every SGPayNowQR error code, recommended retry/backoff handling, and how to read the X-RateLimit-* response headers.

• TypeScript SDK Quickstart

  Install the @alexhalfborg/sgpaynowqr SDK and generate your first PayNow QR code end to end with createClient.