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Idempotency, retries & failure handlingMediumSDE-2

You integrate with two payment providers. One of them starts failing 40% of card payments during a festive sale. How would you use circuit breakers and routing to protect conversions?

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FlipkartMyntraPaytmPhonePeRazorpay

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Answer out loud as you would in the room — clarify, give numbers, name the trade-off — then compare with the model answer.

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Design a payment gateway for merchants (Razorpay) Lesson: Timeouts, retries and circuit breakers

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