Idempotency Key

A unique value that stops a retried POST from happening twice.

What is Idempotency Key?

An idempotency key is a unique value the client sends with a POST so that retrying the same request (after a timeout) doesn't create a second order or charge.

POST /payments
Idempotency-Key: 7c1e9a2b-order-981

Level: Freelancer · More REST API terms at this level

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