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Overview ¶

This example demonstrates a complete checkout flow with the SumUp payment widget.

Basic steps: 1. Create a checkout for the desired amount using the SDK 2. Initiate the payment widget with the checkout ID

Prerequisites: - SUMUP_API_KEY environment variable with your SumUp API key - SUMUP_MERCHANT_CODE environment variable with your merchant code

To run:

export SUMUP_API_KEY="your-api-key"
export SUMUP_MERCHANT_CODE="your-merchant-code"
go run main.go

Then open http://localhost:8080 in your browser.