NestJS open-source package nestjs-quota tackles API quota management atomically

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An open-source NestJS package called nestjs-quota has been released to address multi-tenant API quota enforcement beyond standard rate limiting. The package checks and consumes multiple quota buckets simultaneously in a single atomic operation, preventing race conditions and partial charges that plague conventional implementations. It uses a Redis Lua script to ensure all relevant counters are incremented together or not at all, eliminating double-charging on retried requests. The library supports plan-based dynamic limits, idempotent retries, and a reserve-commit-release model for operations with unknown upfront costs. It ships with NestJS decorators, a guard, and an interceptor, while keeping its core free of runtime dependencies.

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