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ProductSettle in 135+ currencies, now on every HansaPay accountSeptember 15, 2026Read the post All articles

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Engineering

Notes from the team building HansaPay.

Engineering articles1

August 19, 2026EngineeringIdempotency keys: how to retry payment requests without charging twiceNetworks fail. Idempotency keys make retries safe. How they work in the HansaPay API, when to generate them, and the mistakes we see most often.3 min read

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