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How would you make a payment API idempotent? | InterviewPilot

RazorpayBackend Engineerapi-design distributed-systems payments

How would you make a payment API idempotent?

Follow-up after a design question. Idempotency keys, where they're stored, how long they live, and what happens when the same key arrives with a different body.

Adi JainTeamJul 29, 20260

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