# Idempotency Key or Deterministic Operation

> The requirement that an operation carry a deduplication key or be deterministic so repeating it is safe.

Record: `lex:idempotency-key-or-deterministic-operation`
Kind: constraint
Layer: [Atomic Boundary](https://banes-lab.com/records/layer/atomic-boundary.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-idempotency-key-or-deterministic-operation

## category

- [Transactions / State / Concurrency](https://banes-lab.com/records/lex-category/transactions-state-concurrency.md)

## referenced-by

- [Idempotency](https://banes-lab.com/records/arch/idempotency.md)