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Idempotency and Retries
RETRIES & IDEMPOTENCY
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Last Updated: October 14, 2026
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Summary
These videos are only possible due to supporters you. Help me make more unsponsored videos this: - Patreon: ... Applied AI Course: arpitbhayani.me/applied-ai System Design for SDE-2 and above: arpitbhayani.me/masterclass ... Why do systems sometimes process the same request multiple times? This leads to serious issues duplicate payments, ... What happens when an API request fails and the client Ever clicked "Pay" twice because the page froze — and got charged twice? That's a failure of What happens when a client sends a request, but never receives a response? Did the operation fail? Or did it actually succeed? A request times out. Did the payment go through? The client can't tell, so it has to A user presses Send once. Why might the LLM run twice, and how do we stop that from becoming two assistant replies?