Idempotent Game Cleanup via Queues: Comparing SQS, QStash, and Cloud Tasks for Webhook Retries

The article recommends scheduling game cleanup by enqueuing an operation ID so a worker performs the work after the web request has already returned. Because at-least-once delivery makes duplicates normal, the business mutation should be idempotent, with a stable ID per lobby and cleanup window backed by a database uniqueness constraint. Teams are advised to compare managed queues on dispatch control, retry behavior, and dead-letter queue recovery before comparing pricing. It also discusses Infrai as a possible REST-based option, noting its single key and bill across modules, while stressing that it does not provide exactly-once execution. Several platform limits are listed, including a five-minute FIFO deduplication window, a seven-day delay limit, and a 900-second cron execution cap.