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UUID Use Case

UUID Queue Message ID

Whether SQS, Kafka, or RabbitMQ, a stable message identifier is what lets you reason about delivery, not just content.

Broker-nativeDLQ routingv4

Version

How many

Uppercase Hyphens Braces { }

Result

Generated locally with the Web Crypto API — nothing leaves your browser.

What Is UUID Queue Message ID?

Brokers attach an id (often UUID-shaped) so you can acknowledge, redeliver, or dead-letter a specific message.
Carrying your own v4 UUID in the body complements the broker id for app-level dedupe.

How to generate

Read the broker-assigned id for ack/nack.
Also embed your own UUID for business dedupe.
Route failures to a DLQ keyed by id.

Use Cases

SQS visibility + dedupe.
Kafka offset-less idempotency.
RabbitMQ manual ack.

Code Examples

JavaScript

const id = crypto.randomUUID();

Python

import uuid
id = uuid.uuid4()

Frequently Asked Questions

Broker id enough or need my own?

Broker id covers delivery; your own UUID covers business dedupe across retries and replays.

How to avoid double-processing?

Persist processed UUIDs and skip any already seen within the window.

Related tools

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