Design a payment system

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System design Hard OpenAIGoogleMicrosoftMicrosoft AIStripe #payments#idempotency#reconciliation
Problem

Accept card payments for merchants: authorize, capture, settle with card networks, and reconcile, never charging twice or losing money.

1 solution

Study it chapter by chapter
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Endorsed by Frontier Interview · 12 minutes ago

Design a payment system

We are building a card payment processor that sits between merchants (terminals and online checkouts) and the card networks: it places authorization holds in real time, accepts captures (final charges, often with a ti...

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