@nestarc/idempotency

API reference for @nestarc/idempotency 1.0.0. HTTP Idempotency-Key handling with hashed request identities, ownership leases, and response replay across memory, Redis, or PostgreSQL.

Start here

Install the documented release with npm install @nestarc/[email protected]. Follow Installation for peer dependencies and application setup, then read Migration to 1.0 for usage decisions and examples.

Choose an import path below to find its exported signatures and types. The root package contains the main application APIs; named subpaths group the additional integrations and utilities. The reference is generated from the published release, with source links pinned to its commit.

Modules

• @nestarc/idempotency — Register IdempotencyModule, apply the interceptor and route decorators, configure endpoint identity and replay policy, and use dependency-free memory storage and public contracts.
• @nestarc/idempotency/postgres — Use PostgresStorage with an application-owned pg Pool. Install pg separately and apply the package SQL before accepting traffic.
• @nestarc/idempotency/redis — Use RedisStorage with an application-owned ioredis client. Install ioredis separately and select a new key prefix when migrating from 0.x.