Interactive payments demos

Fintech demosMock data, no external calls

Interactive payments demos

Payment flows are easier to understand when you can click through them. Each demo walks through one real world pattern, step by step.

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Pick a demo to launch it in a new tab. Every demo runs in your browser on mock data and makes no external calls.

PaymentsAPI DesignFintech demo

Fintech demo: linking repeat payments to the first payment

Run a first card payment, then a renewal, a top up and a refund. Compare sending each scheme identifier yourself with one lifecycle reference, and see what happens when the TLID was never stored. All values are mock.

How this relates back

Shows in two minutes why payment APIs should own transaction linking, so the next scheme mandate needs no merchant change.

Launch fintech demoFintech demo. Runs in your browser on mock data